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Generac 04758-1, 04759-1, 04760-1 Portable Generator User Manual

1. 225 224A 224 225A 224A 225A TX CLOSEST TO BEARING BCR CB2 BA el 13 4 q co L 46 O p 0 _ 79 13A 66 Bil 77 162 0 225 225 4 10 224B 224B 0 9 2 66 6 11 14 4 6 7 BP 0 11 6 lt 11 11 22 5 77 66 66 225 13A 22 55 4 11 4 H 4 3 lt 0 0 77 2 lt 6 6 44 224 1 162 162 55 C2 VOLTAGE REGULATOR 0 66A 0 0 66A 33 4 55 N 22 N1 13 13 225 13 351 224 194 23 4 N2 23 1 1 x 351 44 13 11 13A 351 194 zs N2 22 13 33 E 194 N1 0 eiie 13 d F2 F1 239 CB1 15A 17 0 O 17 13 239 CA Ei 0 SW1 2A 15 Ds N 224 ta eile c LS E 1 on SW2 240V GENERATOR 9 a AUTO OUTPUT TO TRANSFER z gt SWITCH CONTACTOR 5 CUSTOMER 25 ELECTRICAL DATA Section 6 El
2. CONNECTION 225 224A 224 225 224 CLOSEST TO BEARING 225A BA TX m 4 0 E T T CB2 LI O O N1 13A 66 ja B 77 162 0 I I 4 225B 225B 10 224B 224B 0 2 9 lt 66 6 11 14 14 55 4 6 7 lt ab 11 6 lt 66A 11 11 22 5 77 225 13A m T 6 66 0 0 11 4 4 3 lt N2 0 0 24 224 N 2 1 44 162 162 55 C2 VOLTAGE REGULATOR 4 66A 0 0 66A 4 55 N2 N1 as 13 2s 225 0 351 224 0 194 23 N2 66A A N1 1 44 23 is 11 3A 194 351 15A 22 d 194 0 N1 eii 9 13 66A 239 F2 F1 e TM NN 15A 2 0 OFF O 17 13 239 15 17 x O O 0 2 SW1 m 15 mm R TE SW 8 on AUTO 240V GENERATOR m OUTPUT TO TRANSFER m lt SWITCH CONTACTOR z CUSTOMER MANUAL Section 6 Electrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators ELECTRICAL DATA Electrical Schematic 7 kW Drawing No 0D9014 C 22 225A 224 NENNEN i 225 224B 13A Y 0 13 225A 224 BATTERY CHARGER
3. Z 067 Ma IA LNOdd Lagt 2521 AAAAAA AAA A NNNNNN NNNNNS dOOuH AHL A8 LAI LON 19 611 SYANHOO v SATOH ONILAN 61 001 uuzoeg AAAAAA AAAVA NNNNNN NNNNNS ac WAWANIN TAAVYD V3d Looe 9 MAIA 39 1331 AAAAAA a 5 52 709 HOLIMS 933 4 98 402 9 229 mi 7 I gt v V V 7 7 V 7 V V dl 50 Section 9 Notes Guardian Air cooled 7 kW 12 kW and 15 kW Generators NOTES 51 Section 10 Warranty WARRANTY Guardian Air cooled 7 kW 12 kW and 15 kW Generators NOTE This Emission Control Warranty Statement pertains to this product only IF the generator size is 15 kW or below CALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONS The California Air Resources Board CARB and the United States Environmental Protection Agency EPA together with Generac Power Systems Inc Generac are pleased to explain the Emission Control System Warranty on your new engine
4. X A 4 M O IU gt BN Air Filter Fuel Regulator m R Fuel Inlet Oil Filter Battery Compartment Figure 1 2 12 kW 15 kW V twin GT 990 Engine Exhaust Enclosure Data Decal Oil Dipstick Air Filter Oil Filter Control Panel Fuel Regulator Fuel Inlet Battery Compartment GENERAL INFORMATION 1 5 SPECIFICATIONS 1 5 1 GENERATOR Section 1 General Information Guardian Air cooled 7 kW 12 kW and 15 kW Generators Model 04758 Model 04759 Model 04760 Rated Max Continuous Power Capacity Watts 6 000 NG 7 000 LP 12 000 NG 12 000 LP 13 000 NG 15 000 LPt Rated Voltage 120 240 120 240 120 240 Rated Max Continuous Load Current Amps 120 Volts 50 0 NG 58 3 LP 100 0 NG 100 0 LP 108 3 NG 125 0 LP 240 Volts 25 0 NG 29 2 LP 50 0 NG 50 0 LP 54 2 NG 62 5 LP Main Line Circuit Breaker 30 Amp 50 Amp 70 Amp Phase 1 1 1 Number of Rotor Poles 2 2 2 Rated AC Frequency 60 Hz 60 Hz 60 Hz Power Factor 1 1 1 Recommended Air Filter Generac Part C8127 Generac Part C8127 Generac Part C8127 Battery Requirement Group 26 26R 12 Volts and 350 Cold cranking Amperes Minimum Group 26 26R 12 Volts and 550 Cold cranking
5. 86 85 86 gt 5 gt 4 12 BATTERY CUSTOMER SUPPLIED RED SM SC 13 13 16 SCR 351 351 18 56 56 86 NE ANE NE NEN CONTROL J2 PRINTED CIRCUIT BOARD DSW 1234 INDICATES 1 20 Vac Sense Transformer 2 Remote Not Auto 3 50 Hz Operation 4 SPARE J1 86 23 194 56 14 66A 239 15A 17 225 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 L E D ALARM INDICATORS 224 Section 6 Electrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators ELECTRICAL Wiring Diagram 12 amp 15 kW Drawing No 0D8500 B lt DATA CONTROL PANEL
6. SP2 27 Section 6 Electrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators ELECTRICAL a x bak DATA xd Wiring Diagram 7 kW Drawing No 0D9013 C lt lt ENGINE WIRING DIAGRAM KEY 3 BATTERY BA BRUSH ASSEMBLY CHARGER 2 BCR BATTERY CHARGE RELAY UTILITY CB1 MAIN OUTPUT BREAKER 14 2 CB2 CIRCUIT BREAKER ALTERNATOR EXCITATION 0 1 D DIODE DSW PCB MOUNTED DIP SWITCH BEES FS FUEL SOLENOID Ed F1 FUSE 15 AMP 224B F2 FUSE 5 AMP 13A 13A GRD CONTROL PANEL GROUND HTO HIGH OIL TEMPERATURE SWITCH 0 0 IC INLINE CONNECTOR 225B ICT INTERCONNECTION TERMINALS 0 IM IGNITION MODULE 224B LOP LOW OIL PRESSURE SWITCH SC STARTER CONTACTOR SP SPARK PLUG 14 SW1 AUTO OFF MANUAL SWITCH SW2 SET EXERCISE SWIT
7. ITEM CON OOF WP PART NO 0D5694 005765 004647 004680 006070 022985 022264 075475 0C5760A 06606 097934 004645 065761 005968 0C6066 005759 005764 0C5764A 070728 070728 06069 005762 045764 045764 006731 0C6067 004706 0C6068 004643A 026073 0A4032 0D3308 0D3308 004643 028414A 0D5698A 0C5760B 0C5760C 0C5760D 0C5760E 0D3973 QTY BR a 2 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators Gas Regulator Drawing No 0D8720 B DESCRIPTION CASTING TWIN REGULATOR HOUSING SOLENOID TWIN REGULATOR GASKET SOLENOID PLUNGER LP REGULATOR ASSEMBLY SPRING SOLENOID PLUNGER WASHER FLAT 6 WASHER LOCK M4 SCREW PPHM M4 0 7 X 10 JET GN 410 ENGINE LP 7KW BARBED STRAIGHT 1 2NPT x 1 2 O RING CHECK VALVE ADJUSTER SCREW TWIN REGULATOR LEVER REGULATOR SUPPORT INLET SEAL SEAL INLET PIN PIVOT ARM SPRING REGULATOR SPRING REGULATOR 7KW SCREW PFHMS M3 0 5 x 5 SCREW PFHMS M3 0 5 x 5 7KW GASKET DIAPHRAGM COVER TWIN REGULATOR SCREW TAPTITE 4 8 BP SCREW TAPTITE M4X8 BP 7KW RIVET POP 118 X 125 SUPPORT DIAPHRAGM DIAPHRAGM TWIN REGULATOR CAP DIAPHRAGM SUPPORT INLET TWIN REGULATOR 11 11 DIA PLUG STANDARD PIPE 1 8 STEEL SQUARE HEAD PIN LIMITED ADJUSTMENT WASHER FLAT M3 X 10mm O D WASHER
8. 1 Set the generator s main circuit breaker to its OFF or open position 2 Set the generators AUTO OFF MANUAL switch to OFF 3 Turn OFF the utility power supply to the transfer switch using the means provided such as a utility main line circuit breaker DX A A Do not attempt to activate the transfer switch manually until all power voltage supplies to the switch have been positively turned off Failure to turn off all power voltage supplies may result in extremely hazardous and possibly fatal electrical shock 4 Use the manual transfer handle inside the trans fer switch to move the main contacts to their Standby position i e loads connected to the standby power source Figure 3 2 crank and start the engine set the AUTO OFF MANUAL switch to MANUAL 6 Let the engine stabilize and warm up for a few minutes 7 Set the generator s main circuit breaker to its ON or closed position The standby power source now powers the loads Figure 3 2 Manual Transfer Switch Operation LOAD CONNECTED TO UTILITY POWER SOURCE LOAD CONNECTED TO STANDBY POWER SOURCE MANUAL TRANSFER HANDLE TRANSFER SWITCH OPERATING LEVER 3 5 2 TRANSFER BACK TO UTILITY POWER SOURCE When utility power has been restored transfer back to that source and shut down the generator This can be accomplished as follows 1 Set the generator s main circuit breaker to its OFF or open position
9. N T 109 126 EN etre Z 94 89 90 89 86 85 88 38 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators PARTS Ce LISTS GT 990 760 Engine Drawing No 0D8674 G Part 2 0 ITEM PART NO QTY DESCRIPTION 108 0C5136A 003024 003040 008127 008564 008564 002595 004417 003025 0D3083 007292 070185 075281 001085 043182 035461A 007649 009806 003026 009764 003043 067694 007693 003041 070008 070006 040976 0C3016A 085011 0C3725B 003031 003032 0 5992 051754 003033 003034 2 4 4 1 1 2 2 2 HP RHP KNOB AIR CLEANER COVER AIRBOX NG LP PRE CLEANER ELEMENT AIR CLEANER ASSEMBLY MIXER AIRBOX 990 ASSEMBLY MIXER AIRBOX 760 SCREW SHOULDER 8MM M6 1 0 X 18 WASHER RUBBER 1 4 X 1 8 THICK SWITCH OIL PRESS ASSEMBLY OIL DRAIN HOSE NIPPLE 3 4 16 UNF FILTER OIL D 69 X 64 LONG SWITCH THERMAL 284F SCREW PPHM M3 0 5 X 8 WASHER LOCK M3 BARBED STR 1 4NPT X 3 8 WITH VIBRA SEAL CLAMP HOSE 38 87 HOSE 3 8 I D X 6 LONG COOLER OIL PLASTITE 1 4 15 X 3 4 GASKET MANIFOLD PORT MANIFOLD CYLINDER 2 MANIFOLD CYLINDER 1 SLEEVE RUBBER WASHER FLAT M8 SS WASHER LOCK M8 SSTL SCREW SHC 8 1 25 X 20 612 9 PLATE BACKING GT990 WITH OIL COOL INSULATOR ASSEMBLY IGNITION FLYWHEEL ASSEMBLY FAN NYLON PLATE
10. NOTE If the battery was dead or disconnected the exercise timer must be reset 21 MAINTENANCE 4 13 SERVICE SCHEDULE Section 4 Maintenance Guardian Air cooled 7 kW 12 kW and 15 kW Generators ATTENTION It is recommended that all service work be performed by the nearest Generac Authorized Dealer SYSTEM COMPONENT PROCEDURE FREQUENCY X Action Inspect Change Clean W Weekly R Replace as Necessary M Monthly Notify Dealer Y Yearly if Repair is Needed FUEL Fuel lines and connections X M LUBRICATION Oil level X M Oil X AFTER BREAK IN AND Y Oil filter X AFTER BREAK IN AND Y COOLING Enclosure louvers X X W BATTERY Remove corrosion X X M ensure dryness Clean and tighten X X M battery terminals Check charge state X R EVERY 6M Electrolyte level X R EVERY 6M unsealed batteries only ENGINE AND MOUNTING Air cleaner X R Y Spark plug s X R Y GENERAL CONDITION Vibration Noise Leakage X M Temperature COMPLETE TUNE UP TO BE COMPLETED BY A GENERAC Y ee AUTHORIZED DEALER 5 1 PROBLEM The engine will not crank CAUSE 1 Fuse blown 1 2 Loose corroded or defective 2 Section 5 Troubleshooting Guardian Air cooled 7 kW 12 kW and 15 kW Generators TROUBLESHOOTING GUIDE battery cables TROUBLESHOOTING CORRECTION Replac
11. 11 un Co moO 0 44 15 BATTERY CHARGE 66 WINDING s 22 cm e 0 0 0 HTO 0 a LOP n ENGINE RUN BA WINDING Cia SW2 22 FIELD 14 15 0 1 3 md C2 3 VOLTAGE 4 4 REGULATOR 0 N LII C2 11 T 194 CB2 ods 224 DPE WINDING 66A STATOR 239 DIAGRAM KEY BA BRUSH ASSEMBLY BCR BATTERY CHARGE RELAY 1 CIRCUIT BREAKER MAIN OUTPUT CB2 CIRCUIT BREAKER ALT EXCITATION D DIODE FS FUEL SOLENOID Fi FUSE 15 AMP F2 FUSE 5 AMP HIGH OIL TEMPERATURE SWITCH HM HOUR RUN METER IM IGNITION MODULE LOP LOW OIL PRESSURE SWITCH SC STARTER CONTACTER SP SPARK PLUG SW1 AUTO OFF MANUAL SWITCH SW2 SET EXERCISE SWITCH SM STARTER MOTOR TX TRANSFORMER 16 Vac 56 VA amp 16 Vac 1 VA DUAL SEC CONTROL PRINTED CIRCUIT BOARD cO AR 3Q Section 6 Electrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators ELECTRICAL Electrical Schematic 7 kW Drawing No 0D9014 C lt DATA lt 1 2 6 22 gt lt 225A N2 6 240VAC A N2 N2 INPUT 1 12Vd QE C eap EN FS TRANSFER 1VA RELAY 134 COIL 224 1 CUSTOMER CONNECTIONS 13 17 n cA NEUTRAL 33 POWER 120V WINDING 120V STATOR 4 5 Cn 5 240V Raa 1 RED SC
12. 11 When testing under load is complete turn OFF electrical loads 12 Set the generator s main circuit breakers to their OFF or open positions 13 Let the engine run at no load for a few minutes 14 Set the AUTO OFF MANUAL switch to OFF The engine should shut down 2 5 CHECKING AUTOMATIC OPERATION To check the system for proper automatic operation proceed as follows 1 Set the generator s main circuit breaker to it s OFF or open position 2 Check that the AUTO OFF MANUAL switch is set to OFF 3 Turn OFF the utility power supply to the transfer switch using the means provided such as a utili ty main line circuit breaker 4 Manually set the transfer switch to the UTILITY position i e load terminals connected to the util ity power source Side 5 Turn ON the utility power supply to the transfer switch using the means provided such as a util ity main line circuit breaker 6 Set the AUTO OFF MANUAL switch to AUTO Then set the generator s main circuit breaker to its ON or closed position The system is now ready for automatic operation 7 Turn OFF the utility power supply to the transfer switch With the AUTO OFF MANUAL switch at AUTO the engine should crank and start when the utility source power is turned OFF After starting the transfer switch should connect load circuits to the standby side Let the system go through its entire automatic sequence of operation With the generator runni
13. A switch on the control panel see Figure 3 1 permits selection of the day and time for system exercise To select the desired day and time of day the following sequence must be performed at that time 1 Verify that the AUTO OFF MANUAL switch is set to AUTO 2 Hold down the set timer switch until the genera tor starts approximately 10 seconds and then release 3 The generator will start and run for approximately 12 minutes and then shut down on its own The exerciser will then be set to run at that time of day every week NOTE The exerciser will only work in the AUTO mode and will not work unless this procedure is per formed The exerciser will need to be reset every time the 12 volt battery is disconnected and then reconnected The exerciser WILL NOT work if dip switch 2 Remote Not Auto on the controller printed circuit board is ON 5 7 PROTECTION SYSTEMS 3 7 1 LOW OIL PRESSURE SWITCH This switch Figure 3 3 has normally closed contacts that are held open by engine oil pressure during crank ing and operating Should oil pressure drop below the 8 psi range switch contacts close and the engine shuts down The unit should not be restarted until oil is added and the AUTO OFF MANUAL switch must be turned to OFF and then back to AUTO 5 72 HIGH TEMPERATURE SWITCH This switch s contacts Figure 3 3 close if the tem perature should exceed approximately 140 C 284 F initiating an engine shutdown The
14. BATTERY 12V BLACK NER _ CUSTOMER gt gt SUPPLIED D SP 31 PARTS qp is 00 3e Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators Enclosure Drawing No 0D3416 R PRE PACKAGED UNITS ONLY Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators Enclosure Drawing No 0D3416 R ITEM PART NO QTY DESCRIPTION 1 Co 19 20 21 22 23 29 26 2 28 006140 0D1901 006735 0C7061 0C7062 0C7062A 0C7063 0C7063A 0C7064 0C7065 0C7065A 0C8101A 068861 0C8101B 008862 008283 0C8284A 0 8284 0C8284C 0C8285 0 8899 001128 001128 0 4244 001605 001606 005264 001839 001840 002425 002588 002588 002676 002677 0D2979B 0D2979B 0D2979C 0D2979D 0D2979E 0E4245 0D3058A 0 4245 0 4245 003058 0030570 003059 003059 003059 007176 0030590 003059 0C7781 0D3037 0D2537 0D2538 0D3037A 0A2115 Q9 PO S PO SK c i ll ll c ASSEMBLY ENCLOSURE BASE ASSEMBLY ENCLOSURE BASE 7KW SUPPORT ROOF FOLDING ENCLOSURE FRONT ENCLOSURE EXHAUST SIDE ENCLOSURE EXHAUST SIDE 7KW ENCLOSURE SIDE amp BACK ENCLOSURE SIDE amp BACK 7KW ENCLOSURE ROOF PANEL ALTERNATOR DIVIDER PANEL ALTERNATOR DIVIDER 7KW PANEL MUFFLER BOX SIDE
15. 022127 022129 022129 074908 0D2346 0D2345 023484F 022142 0A7836 0A8475 0912970069 0912970070 055450 002023 003701 003472 008742 008911 0D8442 0D8652 036937 022152 051713 022158 0D3031 026850 049813 0D2537A 0D2538A 047411 0A2311 043107 022145 045771 003906 0E4321 9 4 14 12 5 6 18 11 36 24 2 Op ak ND gt rn WASHER LOCK 6 1 4 WASHER FLAT 14 ZINC RIVET POP 125 X 129 133 30 SCREW HHC M6 1 0 X 16 8 8 SCREW HHC M6 1 0 X 12 G8 8 SCREW HHC M6 1 0 X 12 G8 8 7KW NUT LOCKING FLANGE M6 1 0 SCREW TAPTITE 8 1 25 X 16 BP SCREW TAPTITE M6 1 0 X 12 BP SCREW TAPTITE M6 1 0 X 12 BP 7KW NUT LOCK TRIC M6 X 1 0 Y ZNC GASKET BATTERY SUPPORT BRACKET PLUG PLASTIC 0 593 LUG SLDLSS 2 8X17 64 CU SCREW TAPTITE M6 1 0X25 BP L WASH SPECIAL BRACKET BATTERY HOLD DOWN 7KW CONTACTOR STARTER 7KW CABLE 6 RED BATTERY 38 5 NUT HEX 1 4 20 STEEL 7KW WASHER LOCK 5 16 WASHER LOCK 5 16 7KW SCREW TAPTITE M5 0 8 X 10 BP HARNESS ENGINE HARNESS ENGINE 7KW BUSHING SNAP SB 1000 12 SCREW HHC 5 16 18 X 3 4 G5 7KW RIVET 1 8 X 0 126 0 375 LSH POP SPECIAL 10 ASSEMBLY ROOF DOOR GROUND WIRE ASSEMBLY ROOF DOOR GROUND WIRE PLUG PLASTIC 1 375 GASKET CLIP ON SELF GRIPPING PLATE HOT GROMMET 2 75 X 1
16. 2 6 Adjusting the Regulator Natural Gas Only 12 2 7 Engine Governor Adjustment 12 2l ZEW UNIS aasawa 12 2 7 2 12 kW and 15 kW Units 13 2 7 3 Additional Corrosion Protection 13 2 8 Voltage Regulator Adjustment 13 Section 3 Operation 13 3 1 Bredk in Procedure 15 3 2 Using the Auto Off Manual Switch 14 9 2 1 Auto Posion 14 Table of Contents a CONTENTS Oud ON TP oSIlIOBB uuu rhetor deber tnter inte 14 3 2 3 Manual Position 14 3 9 Automatic Transfer Operation 14 3 4 Sequence of Automatic Operation 14 3 5 Manual Transfer Operation 15 3 5 1 Transfer to Generator Power Source 15 3 5 2 Transfer Back to Utility SOUEGE 15 3 6 Setting the Exercise Timer 16 3 7 JEOLGCHOLD SyS emsSs 16 3 7 1 Low Oil Pressure Switch 16 3 7 2 High Temperature Switch 16 Deb OVer raik 16 IA OVORSDOCU 16 Section 4 Maintenance 17 ol TILL C ususessasstussssepussesspsuqasasaanqasqanusqaqakusasuqassass 17 4 2 Checking the Engine Oil Level 17 4 3 Changing the E
17. 7811 002977 005943 0D4040E 0D4122E 062969 003961 002157 005313 0D4123 078699E 003011 003009 003010 093873 005315 005998 0D1667 002991 1 NO PO PO HB HS HS DMD P PS ASSEMBLY CRANKCASE HOUSING WITH SLEEVE SEAL 38 I D CRANKSHAFT SCREW TAPTITE M6 1 0 X 12 YC ASSEMBLY BREATHER GASKET BREATHER COVER SEPARATOR OIL BREATHER ASSEMBLY HEAD 1 G amp S RETAINER PISTON PIN 20 ROCKER COVER NO OIL FILL STUD M8 1 25 10MM X 30 G5 ZINC PISTON HC SET PISTON RING 90MM PIN PISTON D20 ASSEMBLY CAMSHAFT amp GEAR SHAFT GOVERNOR ROLLER BEARING GOVERNOR PLATE ROLLER BEARING GOVERNOR ASSEMBLY GOVERNOR GEAR SPOOL GOVERNOR MACHINED GASKET CRANK CASE SEAL OIL PASSAGE ASSEMBLY CRANKSHAFT HORIZONTAL DIRECT DRIVE GT 990 ASSEMBLY CRANKSHAFT HORIZONTAL DIRECT DRIVE GT 760 ASSEMBLY CONNECTING ROD GT 990 ASSEMBLY CONNECTING ROD GT 760 SCREW SHC M6 1 0 X 50 G8 8 SCREEN OIL PICKUP ASSEMBLY OIL PUMP SLEEVE SEAMED DOWEL 10 DIA COVER OIL RELIEF SPRING OIL RELIEF BALL 1 2D OIL RELIEF WASHER LOCK RIB M6 GEROTOR OUTER CLAMP OIL TUBE ARM GOVERNOR E RING GOVERNOR ARM ITEM PART NO QTY DESCRIPTION 0C2988 002992 0039710 005305 003027 003007 005731 003006 080318 093064 008808 0D2723B 002979 086515 0D2274 0D3867 078672 005371 072694 0D3998 003027 0D5313 00
18. Amperes Minimum Group 26 26R 12 Volts and 550 Cold cranking Amperes Minimum Weight 452 Pounds 470 Pounds 487 Pounds Output Sound Level 23 ft 7m at full load Normal Operating Range 68 db A 70 5db A 71 5 db A 20 F 28 8 C to 104 F 40 C Maximum wattage and current are subject to and limited by such factors as fuel Btu content ambient temperature altitude engine power and condition etc Maximum power decreases about 3 5 percent for each 1 000 feet above sea level and also will decrease about 1 percent for each 6 C 10 F above 16 C 60 F Total current in TWO separate curcuits Current in each curcuit must not exceed the value stated for 240V 1 5 2 ENGINE Model 04758 Model 04759 Model 04760 Type of Engine GH 410 GT 990 GT 990 Number of Cylinders 1 2 2 Rated Horsepower 14 5 3 600 rpm 30 3 600 rpm 30 3 600 rpm Displacement 410cc 992cc 992cc Cylinder Block Aluminum w Cast Iron Sleeve Aluminum w Cast Iron Sleeve Aluminum w Cast Iron Sleeve Valve Arrangement Overhead Valves Overhead Valves Overhead Valves Ignition System Solid state w Magneto Solid state w Magneto Solid state w Magneto Recommended Spark Plug RC12YC RC12YC RC12YC Spark Plug Gap 0 76 mm 0 030 inch 0 508 mm 0 020 inch 0 508 mm 0 020 inch Compression Ratio 8 6 1 9 551 9 521 Starter 12 Vdc 12 Vdc 12Vdc Oil
19. FLAT M3 X 10mm O D 7KW INLET TWIN REGULATOR NO HOLE NOT SHOWN 7KW BARBED STRAIGHT 1 8 NPT X 1 4 JET IDLE PRIMER PHILLIPS HD JET GT760 CYL 1 NAT GAS JET GT760 CYL 2 NAT GAS JET GT 760 LP CYL 1 JET GT760 LP CYL 2 PLUG EXPANSION 16mm A QUANTITY OF 1 IS TO BE USED ON 7KW HOME STANDBY LISTS age 49 Imensions PARTS Section 8 Mounting D LISTS OG Air cooled 7 kW 12 kW and 15 kW Generators 0D3739 Guardian Drawing No SHHONI SH3 13IATTTIIN NI SNOISN3INIG TIV NdIA dvdd 3491 LHOIH _ Les 61 q q q q q v q q q q q q 55399 303 SAOWAY S31OH 399 d18VO OSNIGNNOYS NNNNNS ISSN 33V NI LINN r NadO WOAWINIW 09e 6 GaYINOAY NWN1090 YHALVM dO AUNSSAYd SVD 1913 LdN 7 299 EZZEL an NI nomi SION T lalalalalala MANAN NNN INNIS ALS
20. New small off road engines must be designed built and equipped to meet stringent anti smog standards for the state of California and the federal government Generac will warrant the emission control system on your engine for the periods of time listed below provided there has been no abuse neglect unapproved modification or improper maintenance of your engine Your emission control system may include parts such as the carburetor ignition and exhaust systems Generac will repair your engine at no cost to you for diagnosis replacement parts and labor should a warrantable condition occur MANUFACTURER S EMISSION CONTROL SYSTEM WARRANTY COVERAGE Emissions control systems on engines are warranted for two years as hereinafter noted If during such warranty period any emission related component or system on your engine is found to be defective in materials or workmanship repairs or replacement will be performed by a Generac Authorized Warranty Service Facility PURCHASER S OWNER S WARRANTY RESPONSIBILITIES As the engine purchaser owner you are responsible for the completion of all required maintenance as listed in your factory supplied Owner s Manual For warranty purposes Generac recommends that you retain all receipts covering maintenance on your engine However Generac cannot deny warranty solely because of the lack of receipts or for your failure to ensure the completion of all scheduled maintenance As the engine purchaser owner
21. service are essential to preventing accidents Four commonly used safety symbols accompany the DANGER WARNING and CAUTION blocks The type of information each indicates follows A This symbol points out important safety informa tion that if not followed could endanger personal safety and or property of others This symbol points out potential explosion hazard This symbol points out potential fire hazard This symbol points out potential electrical shock hazard The operator is responsible for proper and safe use of the equipment We strongly recommend that the operator read this Owner s Manual and thoroughly understand all instructions before using this equip ment We also strongly recommend instructing other users to properly start and operate the unit This pre pares them if they need to operate the equipment in an emergency CONTENTS This manual contains pertinent owner s information including warranty electrical diagrams exploded views and lists of repair parts for three different Guardian models e 04758 1 6 kW NG 7 kW LP single cylinder GH 410 Engine 04759 1 12 kW NG 12 kW LP V twin GT 990 Engine 04760 1 13 kW NG 15 kW LP V twin GT 990 Engine OPERATION AND MAINTENANCE It is the operator s responsibility to perform all safety checks to make sure that all maintenance for safe operation is performed promptly and to have the equipment checked periodically by a Generac Authorize
22. 16 EXTERNAL CONNECTION BOX POWER BLOCK HARNESS GENERATOR TO EXTERNAL CONNECTION BOX HARNESS GENERATOR TO EXTERNAL CONNECTION BOX 7KW SCREW PPHM 10 32 X 1 WASHER LOCK 10 WASHER FLAT M5 NUT HEX 10 32 STEEL FUEL LINE 3 4 OUTDOOR NOT SHOWN WASHER SHAKPROOF EXT 1 4 STEEL NUT HEX M6 1 0 G8 YELLOW CHROME HINGE LIFT OFF TYPE A KNUCKLE HINGE LIFT OFF TYPE B KNUCKLE SCREW HHC M6 1 0 X 16 G8 8 SCREW SWAGE 1 4 20 X 1 SCREW HHC 8 1 25 X 25 WASHER FLAT 5 16 NUT HEX M8 1 25 SELF ALIGN SCREW 6 HH PANEL EXHAUST ALIGNMENT 33 PARTS qp is 00 34 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators Control Panel Drawing No 0E7974 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators Control Panel Drawing No 0E7974 ITEM PART NO QTY DESCRIPTION 20 21 22 23 24 0E7886A 0E7886C 0 7886 0 7886 0E7886G 0A1801 083049 002174 075210A 0D3062 0D8615 032300 022676 0E4494 0E7890 023484E 075476 022264 051715 043182 043182 043181 0D8443 054502 053623 0E7870 0E7871 075235 0D5240 051714 051714 0D8502 ha CO po A HS SS po A Aa CIRCUIT BREAKER 30A X 2P 240V 7KW CIRCUIT BREAKER 40A X 2P 240V 8 5KW CIRCUIT BREAKER 50A X 2P 240V 12KW CIRCUIT BREAKER 60A X 2P 240V 13KW
23. SEAL GOVERNOR SHAFT SCREW FHHC 6 1 0 X12 W M5 HEX 39 eer 40 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators 7 kW Generator Drawing No 0D3504 C 32 ITEM CONDOR WP Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators 7 kW Generator Drawing No 0D3504 C PART NO QTY DESCRIPTION 006934 1 ADAPTOR ENGINE 0C9935H 1 STATOR 0 9934 1 ROTOR 0C6043A 1 CARRIER REAR BEARING 008096 1 FAN 8 CURVED BLADE 009593 1 MUFFLER 0D3220 1 TAIL PIPE MUFFLER 0C8860 1 PANEL MUFFLER BASE 031971 1 BEARING 6205 2RS C3 003168 3 5 16 SPECIAL L WASH 056147 1 BOLT ROTOR HHCS 5 16 24 X 13 1 2 G5 0D1847 4 BOLT STATOR HHCS M8 1 25 x 305mm 0C7038C 1 BRACKET ALTERNATOR MOUNTING 0D1647 1 DUCT ALTERNATOR AIR 0D2558 1 GASKET ALTERNATOR AIR DUCT 0C7038B 1 BRACKET ENGINE MOUNTING 0C7758 4 RUBBER MOUNT 0388050AE0 1 CABLE 6 40 BLACK BATTERY 002417A 1 EARTH STRAP 3 8X 3 8 082121C 1 CLIP J VINYL COAT 625 ID 066386 1 ASSEMBLY BRUSH HOLDER 029451 1 8 FT TAPE ELEC UL FOAM 1 8 X 1 2 049451 1 WASHER FLAT 406ID X 1 6200 022237 4 WASHER LOCK 3 8 022511 4 BOLT HHC 3 8 16 X 1 1 4 G5 022131 4 WASHER FLAT 3 8 ZINC 039287 4 SCREW 8 1 25 X 45 G8 8 022145 14 WASHER FLAT 5 16 ZINC 049820 4 NUT LOCK HEX M8 1 25 NYL INSRT 090388 3 SCREW TAP 1 0 12 BP 022129 13 WASHER LOCK 8 5 16 022259 8 NUT HEX 5 16
24. an automobile engine the generator may have to run for long periods of time with no operator pres ent to monitor engine conditions For that reason the engine is equipped with the following systems that protect it against potentially damaging conditions 1 Low Oil Pressure Sensor 3 Overcrank 2 High Temperature Sensor 4 Overspeed There are LED readouts on the control panel to indi cate that one of these faults has occurred There is also a System Set LED that is described below 1 3 SYSTEM SET LED The System Set LED is lit when all of the following conditions are true 1 The AUTO OFF MANUAL switch is set to the AUTO position 2 The utility voltage being supplied to the unit is being sensed by the Control PCB If the utility sense voltage is not connected to the unit or if it is below 168 volts AC then the system set light wil flash rapidly This indicates that if the AUTO OFF MANUAL switch is placed in the Auto position the generator will start 3 The Not In Auto dip switch is set to the OFF position on the control board 4 No alarms are present for example low oil pres sure high temperature etc 1 4 THE GENERATOR Figure 1 1 7 kW Single Cylinder GH 410 Engine Exhaust Enclosure Section 1 General Information Guardian Air cooled 7 kW 12 kW and 15 kW Generators Oil Check Fill Data Decal Control Panel
25. available please contact the Generac Authorized dealer for service assis tance This is a very important step to insure longest life for the engine To adjust valve clearance Make sure the engine is at room temperature Make sure that the spark plug wire is removed from the spark plug and out of the way Remove the four screws attaching the valve cover with a 2 or 3 phillips screwdriver Make sure the piston is at Top Dead Center TDC of its compression stroke both valves closed To get the piston at TDC remove the intake screen at the front of the engine to gain access to the flywheel nut Use a large socket and socket wrench to rotate the nut and hence the engine While watching the piston through the spark plug hole The piston should move up and down The piston is at TDC when it is up as high as it can go Loosen the rocker jam nut Use an 10mm allen wrench to turn the pivot ball stud while checking clearance between the rocker arm and the valve stem with a feeler gauge Correct clearance is 0 002 0 004 inch 0 05 0 1 mm NOTE Hold the rocker arm jam nut in place as the pivot ball stud is turned When valve clearance is correct hold the pivot ball stud in place with the allen wrench and tighten the rocker arm jam nut Tighten the jam nut to 174 in lbs torque After tightening the jam nut recheck valve clearance to make sure it did not change Figure 4 10 Valve Clearance Adjustment Pivot Bal
26. code After installation inspect the fuel system periodically for leaks No leakage is permitted STANDARDS INDEX In the absence of pertinent standards codes regula tions and laws the published information listed below may be used as installation guide for this equipment l NFPA No 37 STATIONARY COMBUSTION ENGINES AND GAS TURBINES available from the National Fire Protection Association 470 Atlantic Avenue Boston MA 02210 NFPA No 76A ESSENTIAL ELECTRICAL SYS TEMS FOR HEALTH CARE FACILITIES avail able same as Item 1 NFPA No 54 NATIONAL FUEL GAS CODE available same as Item 1 NFPA No 58 AMERICAN NATIONAL STANDARD FOR STORAGE AND HANDLING OF LIQUEFIED PETROLEUM GAS available same as Item 1 NFPA No 70 NFPA HANDBOOK OF NATIONAL ELECTRIC CODE available same as Item 1 Article X NATIONAL BUILDING CODE available from the American Insurance Association 85 John Street New York N Y 10038 AGRICULTURAL WIRING HANDBOOK available from the Food and Energy Council 909 University Avenue Columbia MO 65201 ASAE EP 3634 INSTALLATION AND MAINTE NANCE OF FARM STANDBY ELECTRICAL SYS TEMS available from the American Society of Agricultural Engineers 2950 Niles Road St Joseph MI 49085 NFPA No 30 FLAMMABLE AND COMBUSTIBLE LIQUIDS CODE available same as Item 1 3 GENERAL INFORMATION Dita A A Only qualified electricians or contractors should attempt such installations whic
27. cooled 7 kW 12 kW and 15 kW Generators GN410 Engine Drawing No 0D3539 F Part 2 DESCRIPTION SCREW TAPTITE M6 1 0X8 YELLOW CHROME HOUSING BLOWER TUBE DIPSTICK GUARD FAN WRAPPER BOTTOM SCREW TAPTITE M6 1X10 YELLOW CHROME WRAPPER TOP ASSY STARTER SCREW SHC 8 1 25 X 45 12 9 WASHER LOCK M8 5 16 BACKPLATE L F D F SCREW TAPTITE M8 1 25 X 16 BP BREATHER TUBE GASKET INTAKE ADAPTER ASSEMBLY PLASTIC CARB WASHER FLAT M6 WASHER LOCK M6 1 4 SCREW SHC M6 1 0 X 20 G12 9 GASKET OIL FILTR ADAPTER ADAPTER OIL FILTER SCREW SHC 8 1 25 X 30 G12 9 SWITCH OIL 8 0 PSI FILTER OIL DIA 69 X 64 LG KEY WOODRFF 4 X 19D FLYWHEEL WITH RING GEAR 32DEG WASHER BELV 20 X 2 2 NUT HEX FLYWHEEL SPARKPLUG ASSEMBLY GOVERNOR LEVER 12 HP ROD GOVERNOR CONTROL SPRING ANTI LASH ASSEMBLY WIRE ASSEMBLY IGNITION COIL SCREW TAPTITE M6 1 0 X 25 BP SPRING GOVERNOR 8 BOLT GOVERNOR ADJUST M5 NUT HEX LOCK 5 0 8 NYINS ZINC ASSEMBLY OIL DRAIN HOSE ASSEMBLY CAP amp DIPSTICK O RING 9 16 X 3 4 X 3 32 SWITCH THERMAL WASHER LOCK M3 SCREW PPHM M3 0 5 X 6 SPACER ENDFRAME GROMMET LISTS Sg 20 47 LISTS CH Section 7 Exploded Views and Parts Lists 48 gt Guardian Air cooled 7 kW 12 kW 15 kW Generators 0 Gas Regulator Drawing No 0D8720 B t gt R6 0 2 4 SOV 5 Hears gt De 2 2 Q s C Co
28. e loads connected to the utility power source Figure 3 2 2 Be sure that normal utility power source voltage is available to transfer switch terminal lugs N1 and N2 3 Set the generator s AUTO OFF MANUAL switch to AUTO 4 Set the generator s main circuit breaker to its ON or closed position With the preceding steps complete the generator will start automatically when utility source voltage drops below a preset level After the unit starts loads are transferred to the standby power source Refer to Section 3 4 Sequence of Automatic Operation 3 4 SEQUENCE OF AUTOMATIC OPERATION The generator s control panel houses a control logic circuit board This board constantly monitors utility power source voltage Should that voltage drop below a preset level circuit board action will signal the engine to crank and start After the engine starts the circuit board signals the transfer switch to activate and connect load circuits to the standby power sup ply load terminal lugs T1 T2 connect to terminal lugs E1 E2 Upon restoration of utility source voltage above a pre set level generator circuit board action signals the transfer switch to transfer loads back to that power supply After retransfer the engine is signalled to shut down The actual sequence of operation is controlled by sensors and timers on a control logic circuit board as follows A Utility Voltage Dropout Sensor This sensor monitors u
29. inspection 1 Inspect the battery posts and cables for tightness and corrosion Tighten and clean as necessary 2 Check the battery fluid level of unsealed batteries and if necessary fill with DISTILLED WATER ONLY DO NOT USE TAP WATER IN BATTERIES 3 Have the state of charge and condition checked This should be done with an automotive type bat tery hydrometer 4 A Do not dispose of the battery a fire The battery is capable of exploding A A battery presents a risk of electrical shock and high short circuit current The following precautions are to be observed when working on batteries MAINTENANCE 5 Section 4 Maintenance e Remove watches rings or other metal objects Use tools with insulated handles Wear rubber gloves and boots Do not lay tools or metal parts on top of the battery and e Disconnect charging source prior to connecting or dis connecting battery terminals waRNING Do not open or mutilate the battery Released electrolyte has been known to be harmful to the skin and eyes and to be toxic A The electrolyte is a dilute sulfuric acid that is harmful to the skin and eyes It is electrically conductive and corrosive The following procedures are to be observed Wear full eye protection and protective clothing Where electrolyte contacts the skin wash it off immediately with water e Where electrolyte contacts the eyes immediate
30. off of the brass fitting using a screw driver to gen tly lift up the hose edge 4 Remove the brass hose fitting screwed into the fuel regulator 5 Locate and identify the brass idle jet This will be located in the fuel regulator casting facing the front of the unit 6 Remove the idle jet from its holding location 7 Place the idle jet thread side first into the threaded hole originally occupied by the brass hose fitting 8 Using a short No 2 Phillips screw driver thread the idle jet into the regulator casting DO NOT OVER TIGHTEN 9 Apply thread sealant to the threads of the hose fit ting and replace it into the regulator body 10 Re attach the small hose and hose clamp and tighten as necessary 11 Replace the engine air in baffle using the four M6 Screws 12 Identify both brass adjustment screws on the reg ulator NOTE One adjustment screw can be accessed from the front of the unit and the second can be accessed from the back of the unit enclosure by removing the plastic hole plug 13 To adjust the system to run on LP fuel turn the adjuster screw that can be accessed from inside the front of the unit TURN CLOCKWISE This should now set the system for maximum power and best performance 14 It may be necessary to make minor adjustments to the preset adjustment screw settings to achieve maximum power If experiencing problems with the unit producing maximum power follow the procedure in Section 2 6 Ad
31. retaining clip Remove the cap from the hose and drain the oil into a suitable container Figure 4 4 Oil Drain Hose and Filter ZN AAN 22 00 KAW J A F a S Drain Hose 4 7 Oil Filter After the oil has drained replace the cap onto the end of the oil drain hose Retain the hose in the clip Refill with the proper recommended oil see Section 4 3 1 See Section 1 5 2 for oil capaci ties 4 4 CHANGING THE OIL FILTER Change the engine oil filter as follows 1 2 18 With the oil drained remove the old oil filter by turning it counterclockwise Apply a light coating of clean engine oil to the gas ket of the new filter See Section 1 5 1 for recom mended filter Screw the new filter on by hand until its gasket lightly contacts the oil filter adapter Then tighten the filter an additional 3 4 to one turn Figure 4 4 Refill with the proper recommended oil see Section 4 3 1 See Section 1 5 2 for oil capaci ties Start the engine and check for leaks Guardian Air cooled 7 kW 12 kW and 15 kW Generators 4 5 CHANGING THE ENGINE AIR CLEANER 4 5 1 7 KW 12 KW AND 15 KW GENERATORS See Figures 1 1 and 1 2 for the location of the air cleaner Use the following procedure Figure 4 6 1 Turn the two screws counterclockwise to loosen 2 Remove the cover and air filter 3 Wipe away dust or debris from inside of the air box and around edges Install t
32. this warranty statement include the following 1 Utility 2 Lawn and Garden Equipment 3 Recreational Vehicle RV Generator 4 Industrial Mobile IM Generator Part 2 53 Section 10 Warranty WARRANTY Guardian Air cooled 7 kW 12 kW and 15 kW Generators GENERAC POWER SYSTEMS STANDARD TWO YEAR LIMITED WARRANTY FOR GUARDIAN EMERGENCY AUTOMATIC STANDBY GENERATORS For a period of two years from the date of original sale Generac Power Systems Inc Generac will at its option repair or replace any part which upon examination inspection and testing by Generac or a Generac Authorized Warranty Service Dealer is found to be defective under normal use and service in accordance with the warranty schedule set forth below Any equip ment that the purchaser owner claims to be defective must be returned to and examined by the nearest Generac Authorized Warranty Service Dealer All transportation costs under the warranty including return to the factory are to be borne and pre paid by the purchaser owner This warranty applies only to Generac emergency automatic standby generators sold and rated for use in Standby applications WARRANTY SCHEDULE YEARS ONE and TWO 100 one hundred percent transferable coverage on Labor and Part s listed proof of purchase and maintenance is required Engine All Components Alternator All Components Transfer System All Components All warranty expense allowances are subject to th
33. to OFF 3 Turn OFF the utility power supply to the transfer switch using the means provided such as a util ity main line circuit breaker waRNING A Do not attempt manual transfer switch opera tion until all power voltage supplies to the transfer switch have been positively turned off Failure to turn off all power voltage supplies will result in extremely hazardous and possibly fatal electrical shock 4 Manually set the transfer switch to the STANDBY position i e load terminals connected to the generator s E1 E2 terminals The transfer switch operating lever should be down 5 Set the generator s AUTO OFF MANUAL switch to MANUAL The engine should crank and start immediately 6 Let the engine stabilize and warm up for a few minutes 7 Set the generator s main circuit breaker to its ON or closed position Loads are now powered by the standby generator POST CED INSTALLATION START UP ADJUSTMENTS 8 Turn ON electrical loads Apply an electrical load equal to the full rated wattage amperage capacity of the installed generator 9 Connect an accurate AC voltmeter and a frequen cy meter across terminal lugs 1 and E2 Voltage should be greater than 230 volts frequency should be greater than 58 Hertz 10 Let the generator run at full rated load for 20 30 minutes Listen for unusual noises vibration or other indications of abnormal operation Check for oil leaks evidence of overheating etc
34. you should however be aware that Generac may deny any and or all warranty coverage or responsibility if your engine or a part component thereof has failed due to abuse neglect improper maintenance or unap proved modifications or the use of counterfeit and or grey market parts not made supplied or approved by Generac You are responsible for presenting your engine to a Generac Authorized Warranty Service Facility as soon as a problem occurs The warranty repairs should be completed in a reasonable amount of time not to exceed 30 days Warranty service can be arranged by contacting either your selling dealer or a Generac Authorized Warranty Service Facility To locate the Generac Authorized Warranty Service Facility nearest you call our toll free number 1 800 333 1322 IMPORTANT NOTE This warranty statement explains your rights and obligations under the Emission Control System Warranty ECS Warranty which is provided to you by Generac pursuant to California and federal law See also the Generac Limited Warranties for Generac Power Systems Inc which is enclosed herewith on a separate sheet also provided to you by Generac The ECS Warranty applies only to the emission control system of your new engine If there is any conflict in terms between the ECS Warranty and the Generac Warranty the ECS Warranty shall apply except in circumstances where the Generac Warranty may provide a longer warranty period Both the ECS Warranty and the Gener
35. 18 STEEL 059637 2 SCREW TAPTITE 3 8 16X 3 4 BP 048031K 3 BAND HOSE CLAMP 35 05 DIA 009592 1 BELLOWS 057822 2 CLAMP HOSE 8 53 1 00 040976 2 SCREW SHC 8 1 25 X 20 612 9 002824 1 SCREW TAPR 10 32 X 9 16 025145 1 U BOLT 5 16 18 X 1 25 W SADDLE 090239 1 GASKET EXHAUST 06989 1 STINGER ENGINE AIR IN 0D1214 1 BASE AIR CLEANER 0C8127 1 ELEMENT AIR CLEANER 003024 1 COVER AIR CLEANER NG LP 0D2273 1 TUBE 1 25 0 D x 20Ga x 12 125 LONG 055934N 1 CLAMP VINYL 1 31 X 281 Z 074994 1 25 FT HOSE 1 2ID PETROLEUM 0C5136A 2 KNOB AIR CLEANER 074906 4 SCREW TAPTITE M6 1 X 20 BP 022473 4 WASHER FLAT 1 4 ZINC 0D4662 6 SCREW HHTT M8 1 2 X 20 BP 0C8290 1 GASKET PANEL 066849 2 SCREW HHTT 5 0 8 X 16 LISTS age 41 PARTS qp gis 00 42 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators 12 kW and 15 kW Generator Drawing No 0D3417 E 32 ITEM Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators 12 kW and 15 kW Generator Drawing No 0D3417 E PART NO QTY DESCRIPTION 006934 1 ADAPTOR ENGINE 007930 1 STATOR 12KW 0D2359 STATOR 13KW 15KW 007944 1 ROTOR 12KW 0D2356 ROTOR 13KW 15KW 006043 1 CARRIER REAR BEARING 0D2336 1 FAN 12 CURVED BLADE 0D6634 1 MUFFLER 0D3220 1 TAIL PIPE MUFFLER 008101 1 PANEL MUFFLER BASE 056482 1 BEARING 1 1811 2 8346 003168 3 5 16 SPECIAL LOCK WASHER 0D1838 1 BOLT H
36. 2 Let the engine run for a minute or two at no load to stabilize the internal temperatures 3 Set the generator s AUTO OFF MANUAL switch to its OFF or open position The engine should shut down 4 Check that utility power supply to the transfer switch is turned OFF 43 A A Do not attempt to activate the transfer switch manually until all power voltage supplies to the switch have been positively turned off Failure to turn off all power voltage supplies may result in extremely hazardous and possibly fatal electrical shock 5 Use the manual transfer handle inside the trans fer switch to move the main contacts back to their Utility position i e loads connected to the util ity power source Figure 3 2 6 Turn ON the utility power supply to the transfer switch using the means provided 7 Set the system to automatic operation as outlined in Automatic Transfer Operation Section 3 3 15 OPERATION Section 3 Operation J gt Guardian Air cooled 7 kW 12 kW and 15 kW Generators 3 6 SETTING THE EXERCISE TIMER The generator is equipped with an exercise timer Once it is set the generator will start and exercise once every seven days on the day of the week and at the time of day the following sequence is completed During this exercise period the unit runs for approx imately 12 minutes and then shuts down Transfer of loads to the generator output does not occur during the exercise cycle
37. 6024 0 2976 086516 002229 083897 0D8067B 0D9853D 002978 043790A 0D4010 0D4011 0D4012 0D4013 0D8675A 0D8675B 0D4015 0D4016 THRUST WASHER GOVERNOR BUSHING GOVERNOR LOWER ASSEMBLY DIPSTICK WITH HANDLE TUBE DIPSTICK O RING OIL CLR 3 8 X 1 2 SEAL 42 1 0 CRANKSHAFT ASSEMBLY HOUSING COVER WITH SLEEVE SCREW HHFC M10 1 5 X 55 SCREW HHFC M6 1 0 X 25 ASSEMBLY OIL FILL CAP HOOK LIFTING ROCKER COVER WITH OIL FILL GASKET VALVE COVER KEEPER VALVE SPRING RETAINER VALVE SPRING SPRING VALVE SEAL VALVE STEM D7 WASHER VALVE SPRING STUD ROCKER ARM PIVOT NUT HEX M8 1 0 G8 YEL CHR O RING 3 8 X 1 2 ROCKER ARM PLATE PUSH ROD GUIDE SCREW HHFC M8 1 25 X 65 VALVE EXHAUST VALVE INTAKE TAPPET SOLID ASSEMBLY HEAD 2 G amp S PUSHROD 147 GASKET HEAD BARBED ELBOW 90 3 8NPT X 3 8 LOCKTITE KIT GASKET KIT PISTON amp RINGS KIT BREATHER ASSEMBLY KIT GOVERNOR ASSEMBLY KIT HEAD ASSEMBLY CYLINDER 1 KIT HEAD ASSEMBLY CYLINDER 2 KIT OIL RELIEF KIT GEAR COVER 37 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators GT 990 760 Engine Drawing No 0D8674 G Part 2 138 E EM 7 WA n a ws ui 2 Ti a AV 2 j ENY N Ae INO NW BS A x Sa X lt AK x D gt 2 NN oh 2 NO SN 226 N OWS 4 AN N V We DN 2 FD 2 V lt MS A VKA 7 EQ SANT ACS YA io W 2 NAN y 4 gt DORK SN
38. 645 0 7811 0 9877 076701 021713B 078691 0A5771 045776 076361 0A8898D 0D2274 004391 086025 007393 021714 086516 086517 0D9853B 083897 077158 003150 072694 083907 072696 078694 021742 0D6094 076329 0 0057 004788 074908 086515 078606 0 1442 078672 089673 082104 078699 0 7627 043790 088590 078699 QTY PO Cc Ba o c c PO PO PO P PO PO PP lI c Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators GN410 Engine Drawing No 0D3539 F Part 1 DESCRIPTION ASSEMBLY CONNECTING ROD PIN PISTON D20 SET PISTON RING 90MM PISTON HC RETAINER PISTON PIN 20 ASSEMBLY CRANKSHAFT GH410 SMALL TAPER ARM GOVERNOR RC45 PIN R GOVERNOR ARM WASHER GOVERNOR ARM THRUST CRANKCASE SUBASSEMBLY WITH PLUGS GH410 SEAL 35 I D CRANKSHAFT ASSEMBLY GOVERNOR GEAR C RING GOVERNOR GEAR RETAINER SPOOL GOVERNOR MACHINE ASSEMBLY CAMSHAFT amp GEAR GASKET CRANKCASE GASKET HEAD 410 COVER OIL PRESSURE RELIEF SPRING OIL RELIEF 360 BALL DIA 11 32 PRESSURE RELIEF WASHER THRUST GOVERNOR GEAR ASSEMBLY COVER GEAR TOP CHECK FILL RETAINER VALVE SPRING VALVE SPRING LF SET GEROTOR 12 THK BALANCER ASSEMBLY CYLINDER HEAD SEATS amp GUIDES VALVE EXHAUST VALVE INTAKE PUSH ROD 174 9 T
39. APPET ASSEMBLY SCREEN OIL PICK UP GASKET ROCKER COVER 410 STUD D20 PIVOT BALL ROCKER ARM NUT JAM ROCKER ARM PLATE PUSH ROD GUIDE SCREW HHFL M10 1 5 X 105 ASSEMBLY ROCKER COVER BREATHER PLUG OIL FILL PLASTIC O RING 17 81 0 x 24 PLUG STANDARD PIPE 3 8 STEEL SQUARE HEAD SCREW TAPTITE M5 0 8 X 10 BP KEEPER VALVE SPRING SCREW amp LOCKWASHER M6 1 X 12 SCREW HHFC 8 1 25 X 42 SEAL VALVE STEM D7 WASHER VALVE SPRING WASHER LARGE SPRING DOWEL SEAMED SLEEVE SHAFT GOVERNOR RC55 BARBED ELBOW 90 3 8NPT X 3 8 LOCKTITE DOWEL DIA 12 X 18L DOWEL SLEEVE SEAMED 12 DIA LISTS age 45 PARTS Ce LISTS 46 39 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators GN410 Engine Drawing No 0D3539 F Part 2 40 ITEM CON OOF WP PART NO 001069 0D2922 008435 009997 088434 045756 088433B 009004 059985 022129 0C2458A 083512 001401 091039 009619 049811 022097 040945 086999 0D5667A 049821 099236 070185 082774 091222 067198 067890 072347 072734 072735 003978 006040 0D9760 092079 0A8222 083502 082025 0D3083 008434 090072 075281 043182 004739 004373 022717 QTY NO D c c 5 c c c c c PJN BP NP P Section 7 Exploded Views and Parts Lists Guardian Air
40. ATE THE DIS TANCE 1 9 2 TRANSFER SWITCH 1 9 2 1 7 kW 12 kW and 15 kW Units Transfer switches for use with these generators are sold separately and can be purchased from Generac Authorized Dealers Install the transfer switch on a firm sturdy sup porting structure To prevent switch distortion level the switch if nec essary This can be done by placing washers between the switch enclosure and mounting sur face Never install the switch where water or any corro sive substance might drip onto the enclosure Protect the switch at all times against excessive moisture dust dirt lint construction grit and cor rosive vapors Failure to utilize a Generac Guardian transfer switch with this generator will void the warranty Transfer switches available for these generators are Model 004678 0 100 Amp 2 Pole 250 Volt NEMA 1 indoor rated or Model 004635 0 200 Amp 2 Pole 250 Volt NEMA 3R outdoor rated 1 10 BATTERY INSTALLATION Fill the battery with the proper electrolyte fluid if nec essary and have the battery fully charged before installing it Before installing and connecting the battery complete the following steps 1 Set the generator s AUTO OFF MANUAL switch to OFF 2 Turn off utility power supply to the transfer switch 3 Remove the 5 amp and 15 amp fuses from the generator control panel wanNiNG A If the AUTO OFF MANUAL switch is not set to its O
41. CH 14 SM STARTER MOTOR TB INSULATED TERMINAL BLOCK TX TRANSFORMER 16 Vac 56 VA amp 16 Vac 1 VA DUAL SEC 14 IC ollo P D 0 0 SP 14 0 6 0 34 0 IM 18 gt 5 ja 85 gt 4 85 86 gt 3 HTO IC 0 13 2 13 13 dl gt 1 Ci 98 18 IC LOP 56 56 Be 351 0 13 56 85 s 96 4 11213145 J2 4 J1 a 2 23 SC 194 CONTROL 56 PRINTED CIRCUIT BOARD ET 18 14 66 BLACK BED DSW u a 1234 2 15A muni gt 15 16 ON INDICATES 225 1 20 Var Sense Transtarmer LO 224 m O C 2 Remote Not Auto 12V 3 50 Hz Operation p BATTERY 4 SPARE CUSTOMER SUPPLIED L E D ALARM INDICATORS CONTROL PANEL BOX Section 6 Electrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators Wiring Diagram 7 kW Drawing No 0D9013 C ELECTRICAL DATA
42. CIRCUIT 9 239 F2 FUSE 5 AMP BOARD 10 15A HTO HIGH OIL TEMPERATURE SWITCH 27 IM1 IGNITION MODULE CYLINDER 1 T 15 IM2 IGNITION MODULE CYLINDER 2 LOP LOW OIL PRESSURE SWITCH 7 um SC STARTER CONTACTER SCR STARTER CONTACTOR RELAY 15 224 SP1 SP2 SPARK PLUGS SW1 AUTO OFF MANUAL SWITCH SW2 SET EXERCISE SWITCH SM STARTER MOTOR TX TRANSFORMER 16 Vac 56 VA amp 16 Vac 1 VA DUAL SEC Section 6 Electrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators ELECTRICAL Electrical Schematic 12 amp 15 kW Drawing No 0D8501 B lt DATA C2 6 22 TX C2 5 225 2 1 GO 240VAC UTILITY 56VA N N2 SQ INPUT 224 225 12Vdc m 23 RELAY 194 224 N1 cor CUSTOMER CONNECTIONS 13 17 11 G9 NEUTRAL 23 i 22 IA Fesses 33 5 0 SW1 WINDING 120V 239 STATOR 13 17 15 44 515 691 x 194 11 9 6 15 239 0 240V 14 15 e 13 RED e 0 C2 1 13 15 56 16 lt 16 14 18 C1 1 17 0 sc Fs SM i W 0 0 0 i i BLACK 15 CUSTOMER 0 IM1 gt SUPPLIED 18 da SP D 18 C1 5
43. CIRCUIT BREAKER 70A X 2P 240V 15KW ASSEMBLY BATTERY CHARGER ENGINE ASSEMBLY POTTED REGULATOR RELAY 12V 25A SPST 8 5KW 12KW 13KW BLOCK 1 POSITION HEX STAND OFF 6 32 x 3 8 ASSEMBLY HOME STANDBY CONTROLLER HOLDER FUSE FUSE 15AMP X AGC15 SWITCH ROCKER DPDT ON OFF ON CIRCUIT BREAKER MOUNTING BRACKET SNAP BUSHING SCREW PPHM M4 0 7 x 16mm WASHER LOCK 8 M4 NUT HEX M4 0 7 WASHER LOCK 8 5KW 12KW 13KW WASHER LOCK M3 7KW SCREW PHM M3 0 5 x 10mm DECAL CONTROL PANEL NOT SHOWN CIRCUIT BREAKER 3 X 1 ETA 46 500 P 8 5KW 12KW 13KW CIRCUIT BREAKER 2 5 X 1 ETA 46 500 P 7KW CONTROL PANEL BOTTOM 8 5KW 12KW 13KW CONTROL PANEL BOTTOM 7KW SCREW HHC M5 0 8 x 30mm SWITCH SPST ON ON N O NUT HEX M3 0 5 8 5KW 12KW 13KW NUT HEX M3 0 5 7KW NEUTRAL CONNECTOR PARTS ib ies OG ITEM PART NO QTY DESCRIPTION 26 0D8441 0E0120 074908 049226 051716 003910 022507 099727 046689 063617 075475 043180 0D8439 0E0119 092036 045770 0E7866 0E7867 0D3700 0912970069 0A2311 0A1658 022473 038750 022097 049813 031879 031879 023897 port DO ODD HARNESS CONTROL PANEL NOT SHOWN 8 5KW 12KW 13KW HARNESS CONTROL PANEL WIRE NOT SHOWN 7KW SCREW TAPTITE M5 0 8 x 10 BP WASHER LOCK M5 NUT HEX M5 0 8 TRANSFORMER SCREW HHC 1 4 20 x 1 2 FUSE 5A X AGC5 BLOCK TERMINAL STRIP 20A 4 X 6 X 1100V RELAY PANEL 12VDC DPDT 10A 240VAC SCREW PPH
44. Capacity Including Filter Approx 1 5 Qts Approx 1 7 Qts Approx 1 7 Qts Recommended Oil Filter Generac Part 70185 Generac Part 70185 Generac Part 70185 Recommended Air Filter Generac Part 0C8127 Generac Part 0C8127 Generac Part 0C8127 Operating RPM 3 600 3 600 3 600 1 6 FUEL REQUIREMENTS AND RECOMMENDATIONS With LP gas use only the vapor withdrawal system This type of system uses the vapors formed above the liquid fuel in the storage tank The engine has been fitted with a fuel carburetion system that meets the specifications of the 1997 California Air Resources Board for tamper proof dual fuel systems The unit will run on natural gas or LP gas but it has been factory set to run on natural gas Should the primary fuel need to be changed to LP gas the fuel system needs to be reconfigured See Section 1 8 for instructions on reconfiguration of the fuel system Recommended fuels should have a Btu content of at least 1 000 per cubic foot for natural gas or at least 2 520 BTUSs per cubic foot for LP gas Ask the fuel supplier for the BTU content of the fuel Fuel pressure for both natural gas liquid propane set ups should be 11 inches to 14 inches of water column 0 6 psi at all load ranges NOTE A separate gas line and regulator may be needed to assure proper gas pressure 11 14 to the gen erator Low gas pressure can cause hard startin
45. FAN WASHER SHAKEPROOF INT M8 SS SCREW 8 1 25 X 12 G8 8 WASHER 25mm 1 0 NUT HEX M24 ITEM PART NO QTY DESCRIPTION 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 0 8549 003022A 0D1131 045756 009763 003036 008919 079246 003018 003019 0D1142A 0D1143 066849B 003053 003052 022097 092079 0 4271 004529 022129 061906 082774 052859 008468 003048 0D3754 0D3742 008482 0D2576 0D3743 0D3705 002993 0E1552 1 1 1 27 A c PJN B SNORKEL AIR INTAKE HOUSING BLOWER NG COOLER GUARD FAN SCREW TAPTITE M6 1X10 YELLOW CHROME NUT GROMMET 1 4 PLUG HOSE BREATHER BRACKET STARTER SCREW M6 1 0 x 16 WITH LOCK WASHER WRAPPER UPPER CYLINDER 1 WRAPPER LOWER CYLINDER 1 WRAPPER LOWER CYLINDER 2 WRAPPER UPPER CYLINDER 2 SCREW TAPTITE M5 0 8 X 8 BP ASSEMBLY GROUND WIRE ASSEMBLY IGNITION COIL WASHER LOCK M6 1 4 SCREW TAPTITE M6 1 0 X 25 BP STARTER SPARKPLUG WASHER LOCK 8 5 16 SCREW 8 1 25 X 85 G8 8 KEY WOODRFF 4 X 19D NUT HEX LOCK M10 1 50 SPRING ANTI LASH ROD GOVERNOR CONTROL ASSEMBLY GOVERNOR LEVER SPRING GOVERNOR ASSEMBLY GOVERNOR ADJUSTER SCREW SHC 10 1 5 X 70 610 9 SPRING GOVERNOR IDLE ASSEMBLY GOVERNOR ADJUSTER BRACKET
46. FF position the generator can crank and start as soon as the battery cables are connect ed If the utility power supply is not turned off sparking can occur at the battery posts and cause an explosion Battery cables were factory connected at the genera tor Figure 1 5 Connect cables to battery posts as follows 4 Connect the red battery cable from starter con tactor to the battery post indicated by a positive POS or 5 Connect the black battery cable from frame ground to the battery post indicated by a nega tive NEG or 6 Replace the 5 amp and 15 amp fuses in the gen erator control panel NOTE Damage will result if battery connections are made in reverse Figure 1 5 Battery Cable Connections BLACK LEAD RED LEAD FROM STARTER CONTACTOR BATTERY BLACK Section 1 General Information Guardian Air cooled 7 kW 12 kW and 15 kW Generators NOTE The generator is equipped with a battery trickle charger that is active when the unit is set up for automatic operation With the battery installed and utility power source voltage available to the transfer switch the battery receives a trickle charge while the engine is not running to prevent self discharge The trickle charger is designed to help extend the life of the battery by maintaining the battery when the unit is not running The trickle charge feature cannot be used to recharge a discharged batter
47. GUARDIAN by Generac Power Systems Inc Installation and Owner s Manual Air cooled Automatic Standby Generators Models 04758 1 6 kW NG 7 kW LP 04759 1 12 kW NG 12 kW LP 04760 1 13 kW NG 15 kW LP VVVVVV VV VV VV NANARA ABAAA FT TJ SN by Generac Power Systems Inc A Not intended for use as Primary Power in place of utility A or in life support applications EG A DEADLY EXHAUST FUMES OUTDOOR INSTALLATION ONLY INTRODUCTION Thank you for purchasing this model by Generac Power Systems Inc This model is a compact high performance air cooled engine driven generator designed to automatically supply electrical power to operate critical loads during a utility power failure This unit is factory installed in an all weather metal enclo sure that is intended exclusively for outdoor installation This generator will operate using either vapor withdrawn liquid propane LP or natural gas NG This unit meets the 1998 and later California emissions regulations To ensure that the engine continues to meet these regulations refer to the following informa tion and instructions in this owner s manual ENGINE EMISSION COMPLIANCE PERIOD For nonhandheld engines The Emissions Compliance Period referred to on the Emissions Compliance label indicates the number of operating hours for which the engine has been shown to meet federal emission req
48. HCS 3 8 24 x 15 50 0D1846 4 BOLT HHCS M8 1 25 x 345mm 007038 1 BRACKET ALTERNATOR MOUNTING 0D1609 1 DUCT ALTERNATOR AIR 0D2559 1 GASKET ALTERNATOR AIR DUCT 0C7038A 1 BRACKET ENGINE MOUNTING 067758 4 RUBBER MOUNT 0388050AD0 1 CABLE 6 48 BLACK BATTERY 002417A 1 EARTH STRAP 3 8X 3 8 082121C 1 CLIP J VYNL COAT 0 625 ID 066386 1 ASSEMBLY BRUSH HOLDER 029451 2 6 FT TAPE ELEC UL FOAM 1 8 X 1 2 049451 1 WASHER FLAT 406ID X 1 6200 022237 5 WASHER LOCK 3 8 022511 4 SCREW HHC 3 8 16 X 1 1 4 G5 022131 4 WASHER FLAT 3 8 ZINC 039288 4 SCREW HHC M8 1 25 x 55 68 8 022145 14 WASHER FLAT 5 16 ZINC 049820 4 NUT LOCK HEX M8 1 25 NYL INSERT 045756 2 SCREW TAPTITE M6 1 0X10 BP 022129 10 WASHER LOCK 8 5 16 022259 8 NUT HEX 5 16 18 STEEL 059637 2 SCREW TAPTITE 3 8 16 X 3 4 BP 083512 4 SCREW TAPTITE M8 1 25 X 16 BP 074994 2 83 FT HOSE RES 1 2 LP GAS 057822 4 CLAMP HOSE 8 53 1 00 052858 4 NUT LOCK M8 0C2824 1 SCREW TAP R 10 32 x 9 16 025145 1 U BOLT 5 16 18 X 1 25 WITH SADDLE 004138 2 GASKET EXHAUST PORT 048031C 2 CLAMP HOSE BAND 1 4 030340 1 33 FT HOSE 1 4 ID SAE 30R7 066849 2 SCREW HHTT 5 0 8 X 16 LISTS age 43 Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators GN410 Engine Drawing No 0D3539 F Part 1 44 ITEM CON WP PART NO 071978 071980 021533 005848 071983 0D4287 0A7628 078658 078659 088261E 0 3812 0 7975 078
49. M M4 0 7 x 10mm WASHER FLAT M4 COVER CONTROL PANEL COMPONENT 8 5KW 12KW 13KW COVER CONTROL PANEL COMPONENT 7KW SCREW PPHMS LW 6 32 x 1 4 SCREW HHC 5 0 8 x10mm COVER CONTROL PANEL 8 5KW 12KW 13KW COVER CONTROL PANEL 7KW NUT FLANGE M6 1 0 NYLOK ASSEMBLY ROOF DOOR GROUND WIRE SCREW SWAGE 1 4 20 x 1 WASHER LOCK SPECIAL 1 4 WASHER FLAT 1 4 M6 SCREW HHC M6 1 0 x 30mm WASHER LOCK M6 1 4 NUT HEX M6 1 0 WASHER FLAT 4 8 5KW 12KW 13KW WASHER FLAT 4 7KW WASHER FLAT 10 35 PARTS Ce ae 66 2 36 9 19 20 39 40 47 64 93 140 To 59 60 63 64 7 47 48 49 50 51 52 53 54 56 57 58 47 48 63 64 N co a co LO LO LO co LO F LO co LO N LO m LO c Oo s lt re x 22 gt L yd s Nx css cs f 1 i Section 7 Exploded Views and Parts Lists Guardian Air cooled 7 kW 12 kW and 15 kW Generators GT 990 Engine Drawing No 0D8674 G Part 1 4 r P7 N wo T2 8 32 33 34 35 36 40 Section 7 Exploded Views and Parts Lists PARTS Ce LISTS Guardian Air cooled 7 kW 12 kW and 15 kW Generators VE GT 990 Engine Drawing No 0D8674 G Part 1 0 ITEM PART NO QTY DESCRIPTION 005729 003008 090388 005372 003005 0E3372B 0D8067A 071983 002981C 045761A 005848 021533 071980 0D4041 002983 0C2985A 0 2985 004042 0
50. PANEL MUFFLER BOX SIDE 7KW COVER MUFFLER BOX COVER MUFFLER BOX 7KW GASKET DOOR SEAL FOAM BACK ENCLOSURE FOAM ROOF ENCLOSURE FOAM FRONT ENCLOSURE BRACKET BATTERY SUPPORT PAD 24 X48 WITH MOUNTING HOLES PANEL ENGINE DIVIDER PANEL ENGINE DIVIDER 7KW BAFFLE INTAKE BAFFLE INTAKE 7KW HOUSING FAN BAFFLE EXHAUST 7KW BRACKET TOP SUPPORT BRACKET BOTTOM SUPPORT DUCT BASE AIR GASKET FRONT DIVIDER GASKET FRONT DIVIDER 7KW COVER FRONT EXHAUST ENCLOSURE COVER BACK EXHAUST ENCLOSURE CLOTH HARDWARE 266 7mm x 146mm CLOTH HARDWARE 266 7mm x 146mm 7KW CLOTH HARDWARE 543mm x 146mm CLOTH HARDWARE 266 7mm x 387 4mm CLOTH HARDWARE 7KW FOAM FRONT INTAKE BAFFLE FOAM FRONT INTAKE BAFFLE 7KW FOAM TOP INTAKE BAFFLE FOAM BACK INTAKE BAFFLE FOAM BACK INTAKE BAFFLE 7KW FOAM BACK ENCL STRIP FOAM EXHAUST SIDE ENCLOSURE END FOAM EXHAUST SIDE ENCLOSURE FRONT FOAM EXHAUST FAN HOUSING WASHER SELF LOCKING WASHER SELF LOCKING 7KW FOAM FRONT EXHAUST ENCLOSURE COVER FOAM BACK EXHAUST ENCLOSURE COVER DOOR PAWL LATCH QUARTER TURN LOCKING HINGE LIFT OFF TYPE A PIN HINGE LIFT OFF TYPE B PIN LATCH QUARTER TURN NON LOCKING WASHER NYLON 250 PARTS ib ies OG ITEM PART NO QTY DESCRIPTION 44 45 46 47 48 49 50 51 022097 022473 036261 047411 043116 043116 003700 083512 090388 092120 003167 0A3328 055414 092079 0A1658 002937 086729 0388040AJ0
51. ac Warranty describe important rights and obligations with respect to your new engine Warranty service can be performed only by a Generac Authorized Warranty Service Facility When requesting warranty serv ice evidence must be presented showing the date of the sale to the original purchaser owner The purchaser owner shall be responsible for any expenses or other charges incurred for service calls and or transportation of the product to from the inspection or repair facilities The purchaser owner also shall be responsible for any and or all damages or losses incurred while the engine is being transported shipped for inspection or warranty repairs If you have any questions regarding your warranty rights and responsibilities you should contact Generac at the following address ATTENTION WARRANTY DEPARTMENT GENERAC POWER SYSTEMS INC P O BOX 297 WHITEWATER WI 53190 Part 1 5e Section 10 Warranty Guardian Air cooled 7 kW 12 kW and 15 kW Generators WARRANTY EMISSION CONTROL SYSTEM WARRANTY Emission Control System Warranty ECS Warranty for 1997 and later model year engines a Applicability This warranty shall apply to 1997 and later model year engines The ECS Warranty Period shall begin on the date the new engine or equipment is purchased by delivered to its original end use purchaser owner and shall continue for 24 consecutive months thereafter b General Emissions Warranty Coverage Generac warrants to the original e
52. all the dipstick then remove it again The oil level should be at the dipstick Full mark If nec essary add oil to the Full mark only DO NOT FILL ABOVE THE FULL MARK caution amp Never operate the engine with the oil level below the Add mark on the dipstick Doing this could damage the engine 4 Install the dipstick 5 Reset the AUTO OFF MANUAL switch to its origi nal position MAINTENANCE 5 Section 4 Maintenance Figure 4 2 Oil Dipstick and Fill 7 kW Figure 4 3 Oil Dipstick and Fill 12 kW and 15 kW Oil Dipstick Oil Fill 45 CHANGING THE ENGINE OIL 43 1 ENGINE OIL RECOMMENDATIONS Use oil of American Petroleum Institute API Service Class SG SH or SJ Use all season SAE 5W 30 Synthetic oil Organic break in oil is required before using synthetic oil NOTE The unit is supplied with break in oil See the Break in Procedure Section 3 1 for the first required oil change A caution amp Any attempt to crank or start the engine before it has been properly serviced with the recom mended oil may result in an engine failure 17 Section 4 Maintenance MAINTENANCE S O 4 3 2 OIL CHANGE PROCEDURE To change the oil proceed as follows 2 Run the engine until it is thoroughly warmed up then shut OFF the engine Immediately after the engine shuts OFF pull the oil drain hose Figure 4 4 free of its
53. ations the Occupational Safety and Health Administration OSHA has established Also ensure that the generator is installed in accordance with the manufacturer s instructions and recommendations Following proper installa tion do nothing that might alter a safe installation and render the unit in noncompliance with the aforementioned codes standards laws and regu lations SAFETY RULES IMPORTANT SAFETY INSTRUCTIONS Guardian Air cooled 7 kW 12 kW and 15 kW Generators Keep a fire extinguisher near the generator at all times Extinguishers rated ABC by the National Fire Protection Association are appropriate for use on the standby electric system Keep the extin guisher properly charged and be familiar with its use If there are any questions pertaining to fire extinguishers consult the local fire department EXPLOSION HAZARDS Do not smoke around the generator Wipe up any fuel or oil spills immediately Ensure that no com bustible materials are left in the generator com partment or on or near the generator as FIRE or EXPLOSION may result Keep the area surround ing the generator clean and free from debris Gaseous fluids such as natural gas and liquid propane LP gas are extremely EXPLOSIVE Install the fuel supply system according to applica ble fuel gas codes Before placing the home stand by electric system into service fuel system lines must be properly purged and leak tested according to applicable
54. d Dealer Normal maintenance service and replacement of parts are the responsibility of the owner operator and as such are not considered defects in materials or workmanship within the terms of the warranty Individual operating habits and usage contribute to the need for maintenance service Proper maintenance and care of the generator ensures a minimum number of problems and keep operating expenses at a minimum See the Generac Authorized Dealer for service aids and accessories HOW TO OBTAIN SERVICE When the generator requires servicing or repairs simply contact a Generac Authorized Dealer for assistance Service technicians are factory trained and are capable of handling all service needs When contacting a Generac Authorized Dealer or the factory about parts and service always supply the complete model number and serial number of the unit as given on its data decal which is located on the gen erator See Figure 1 1 or Figure 1 2 in Section 1 4 for decal location Model No Serial No AUTHORIZED DEALER LOCATION To locate the GENERAC AUTHORIZED DEALER nearest you please call this number 1 800 333 1322 DEALER LOCATION INFORMATION CAN BE OBTAINED AT THIS NUMBER Guardian Air cooled 7 kW 12 kW and 15 kW Generators Introduction Inside Front Cover Read This Manual Thoroughly IFC eus qs IFC Operation and Maintenance IFC How to Obtain S
55. dle adjust screw and reconnect the idle spring 6 Using a hand push the governor arm to the closed throttle position Make sure the idle spring does not stretch at all 7 Restart the unit 8 Slowly turn the idle adjust screw to adjust the no load idle frequency to 63 63 5 Hz 9 The governor is now set Figure 2 4 Full Load Speed Adjust Screw Full Load Speed Adjust Screw OPERATION OD Section 3 Operation 2 7 3 ADDITIONAL CORROSION PROTECTION Periodically spray all engine linkage parts and brack ets with corrosion inhibiting spray such as WD 40 or a comparable product 2 8 VOLTAGE REGULATOR ADJUSTMENT With the frequency between 62 63 5 Hertz slowly turn the slotted potentiometer Figure 2 5 until line voltage reads 244 252 volts NOTE Remove the access panel on top of the control panel to adjust the voltage regulator Figure 2 5 Voltage Adjustment Potentiometer Y NOTE The voltage regulator is housed above the genera tors control panel The regulator maintains a volt age in direct proportion to frequency For example at 62 Hertz line to neutral voltage will be 124 volts 3 1 BREAK IN PROCEDURE Once the unit has been installed with utility power connected to the transfer switch and all electrical checks have been made it is strongly recommended that the f
56. e 15A fuse on generator control panel Tighten clean or replace as necessary 3 Defective starter contactor 7 kW 3 4 Defective starter motor 4 5 Dead Battery 5 Charge or replace battery The engine cranks but 1 Out of fuel 1 Replenish fuel will not start 2 Defective fuel solenoid FS 23 3 Open 14 wire from Bo engine control board 4 Defective spark plug s 4 Clean re gap or replace plug s 5 Valve lash out of adjustment 5 Reset valve lash The engine starts hard 1 Air cleaner 1 Check replace air cleaner and runs rough plugged or damaged 2 Defective spark plug s 2 Clean re gap or replace plug s 3 Fuel regulator not set 3 Set fuel regulator 4 Fuel pressure incorrect 4 Confirm fuel pressure is at 11 14 water column 0 4 psi 0 5 psi The AUTO OFF MANUAL switch 1 Defective switch I is set to OFF but the engine 2 AUTO OFF MANUAL switch 2 continues to run wired incorrectly 3 Defective control board de t There is no AC output from 1 Main line circuit breaker open 1 Reset circuit breaker the generator to ON or closed 2 Generator internal failure ma There is no transfer to 1 Defective transfer switch coil standby after utility 2 Defective transfer relay 2505 source failure 3 Transfer relay circuit open o 4 Defective control logic board J Unit consumes large 1 Break in procedure T amounts of oil not followed see Section 3 1 Contac
57. e conditions defined in Generac s Warranty Policies Procedures and Flat Rate Manual bacis WARRANTY SHALL NOT APPLY TO THE FOLLOWING Generac generators that utilize non Generac replacement parts Generac Guardian generators utilizing non Generac Guardian automatic transfer switches Any Generac generators used as rental or trailer mounted applications Units used for prime power in place of existing utility power where utility power is present or in place of utility power where utility power service does not normally exist Costs of normal maintenance adjustments installation and start up Failures caused by any contaminated fuels oils coolants or lack of proper fluid amounts Failures due but not limited to normal wear and tear accident misuse abuse negligence or improper installation As with all mechanical devices the Generac engines need periodic part s service and replacement to perform well This warranty will not cover repair when normal use has exhausted the life of a part s or engine Failures caused by any external cause or act of God such as collision theft vandalism riot or wars nuclear holocaust fire freezing lightning earthquake windstorm hail volcanic eruption water or flood tornado or hurricane Damage related to rodent or insect infestation Products that are modified or altered in a manner not authorized by Generac in writing Any incidental consequential or indirect damages ca
58. eased electrolyte has been known to be harmful to the skin and eyes and to be toxic The electrolyte is a dilute sulfuric acid that is harmful to the skin and eyes It is electrically conductive and corrosive POST CED INSTALLATION START UP ADJUSTMENTS The following procedures are to be observed e Wear full eye protection and protective clothing Where electrolyte contacts the skin wash it off immediately with water e Where electrolyte contacts the eyes immediately flush thoroughly with water and seek medical attention and e Spilled electrolyte is to be washed down with an acid neutralizing agent A common practice is to use a solution of 1 pound 500 grams bicarbonate of soda to 1 gallon 4 liters or water The bicar bonate of soda solution is to be added until the evidence of reaction foaming has ceased The resulting liquid is to be flushed with water and the area dried Lead acid batteries present a risk of fire f because they generate hydrogen gas The following procedures are to be followed DO NOT SMOKE when near the battery DO NOT cause flame or spark in battery area and e Discharge static electricity from body before touch ing the battery by first touching a grounded metal surface A Be sure the AUTO OFF MANUAL switch is set to the OFF position before connecting the battery cables If the switch is set to AUTO or MANUAL the generator can crank and start as soon as the battery cabl
59. ectrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators Electrical Schematic 12 amp 15 kW Drawing No 0D8501 B 11 22 225A 3 L 225A 2 224A l BATTERY 225B F2 225 ail PME 224B 13A p 13 13A 7 F1 224 7 7 9 9 A n 41 t 1 16773 4 13A 77 13 2 1 7 BATTERY CHARGE 66 14 19 WINDING V AAA A 66 lt 22 0 0 C2 4 uro 99 C211 0 55 X LOP 11 ENGINE RUN WINDING Gia lt 7 N SW 22 STATOR 15 FIELD Ny 0 gt gt 4 C1 3 ELECTRONIC 4 C2 10 C25 VOLTAGE 4 4 REGULATOR 0 66A 85 23 162 1 6 86 194 6 4 cB2 0 351 225 O2 224 ud i D pis DPE WINDING STATOR 112131415 15 J2 23 239 1 4 DIAGRAM KEY 2 194 66A 3 23 BA BRUSH ASSEMBLY 194 BCR BATTERY CHARGE RELAY I a 1 CIRCUIT BREAKER MAIN OUTPUT CB2 CIRCUIT BREAKER ALT EXCITATION 6 18 D DIODE 7 14 FS FUEL SOLENOID CONTROL 8 66A F1 FUSE 15 AMP PRINTED
60. ent remain alert at all times Never work on the equipment when physically or mentally fatigued Inspect the generator regularly and contact the nearest Generac Authorized Dealer for parts need ing repair or replacement Before performing any maintenance on the genera tor disconnect its battery cables to prevent acci dental start up Disconnect the cable from the bat tery post indicated by a NEGATIVE NEG or first Reconnect that cable last Never use the generator or any of its parts as a step Stepping on the unit can stress and break parts and may result in dangerous operating con ditions from leaking exhaust gases fuel leakage oil leakage etc ELECTRICAL HAZARDS All generators covered by this manual produce dangerous electrical voltages and can cause fatal electrical shock Utility power delivers extremely high and dangerous voltages to the transfer switch as does the standby generator when it is in opera tion Avoid contact with bare wires terminals con nections etc while the unit is running Ensure all appropriate covers guards and barriers are in place before operating the generator If work must be done around an operating unit stand on an insulated dry surface to reduce shock hazard Do not handle any kind of electrical device while standing in water while barefoot or while hands or feet are wet DANGEROUS ELECTRICAL SHOCK MAY RESULT The National Electrical Code NEC requires the frame and
61. ervice IFC Authorized Dealer Locator Number IFC Safety Rules 2 Standards Index 3 Section 1 General Information 4 1 1 Unpacking Inspection 4 1 2 Proteclon L uuu uuu 4 Jo Det LID 4 1 4 The Generator 5 I 5 Specifications uuu l a Ue qana ss 6 1 5 1 QGeneralOr iu upas 6 1 522 ENGINE uya ak 6 1 6 Fuel Requirements and Recommendations 7 1 7 Fuel Consumption T 1 8 Reconfiguring the Fuel System 7 Lo Z KW ID 7 1 8 2 12 kW and 15 kW 990cc Engines 4 MOC 8 8 1 9 2 Transfer Switch 8 1 10 Battery Installation 9 LLL The BRAWL T 9 Section 2 Post Installation Start up and Adjustments 10 2 1 Before Initial Start up 10 2 2 Check Transfer Switch Operation 10 2 3 Electrical Checks 10 2 4 Generator Tests Under Load 11 2 5 Checking Automatic Operation 11
62. es are connected Be sure the utility power supply is turned off or sparking may occur at the battery posts as the cables are attached and cause an explosion 2 1 BEFORE INITIAL START UP Before starting complete the following 1 Set the generator s main circuit breaker to its OFF or open position 2 Set the generator s AUTO OFF MANUAL switch to the OFF position 3 Turn OFF the utility power supply to the transfer switch using the means provided such as the utility main line circuit breaker 4 Check the engine crankcase oil level and if nec essary fill to the dipstick FULL mark with the recommended oil Do not fill above the FULL mark 5 Check the fuel supply Gaseous fuel lines must have been properly purged and leak tested in accordance with applicable fuel gas codes All fuel shutoff valves in the fuel supply lines must be open caution amp Never operate the engine with the oil level below the Add mark on the dipstick Doing this could damage the engine 10 Section 2 Post Installation Start up and Adjustments Guardian Air cooled 7 kW 12 kW and 15 kW Generators 22 CHECK TRANSFER SWITCH OPERATION Refer to Section 3 5 of the owner s manual for man ual operation procedures DX A A Do not attempt manual transfer switch opera tion until all power voltage supplies to the transfer switch have been positively turned off Failure to turn off all power voltage sup
63. external electrically conductive parts of the generator to be connected to an approved earth ground Local electrical codes also may require proper grounding of the generator electrical system After installing this home standby electrical sys tem the generator may crank and start at any time without warning When this occurs load circuits are transferred to the STANDBY generator power source To prevent possible injury if such a start and transfer occur always set the generator s AUTO OFF MANUAL switch to its OFF position before working on equipment and remove the 5A and 15 fuses from the generator control panel In case of accident caused by electric shock imme diately shut down the source of electrical power If this is not possible attempt to free the victim from the live conductor AVOID DIRECT CONTACT WITH THE VICTIM Use a nonconducting implement such as a rope or board to free the victim from the live conductor If the victim is unconscious apply first aid and get immediate medical help Never wear jewelry when working on this equip ment Jewelry can conduct electricity resulting in electric shock or may get caught in moving com ponents causing injury FIRE HAZARDS For fire safety the generator must be installed and maintained properly Installation always must comply with applicable codes standards laws and regulations Adhere strictly to local state and national electrical and building codes Comply with regul
64. g and could affect engine durability 1 7 FUEL CONSUMPTION Nat Gas 1 2 Load Full Load 1 2 Load 04758 0 91 33 1 21 44 1 04759 1 34 48 9 2 17 79 0 04760 148 5 1 73 63 2 2801023 Natural gas is in cubic feet per hour LP is in gallons per hour cubic feet per hour 1091 A Gaseous fuels such as natural gas and liquid propane LP gas are highly explosive Even the slightest spark can ignite such fuels and cause an explosion No leakage of fuel is permitted Natural gas which is lighter than air tends to collect in high areas LP gas is heavier than air and tends to settle in low areas 1 8 RECONFIGURING THE FUEL SYSTEM 1 8 1 7 KW 410CC To reconfigure the fuel system from NG to LP follow these steps 1 Turn the main gas supply off 2 Remove the carburetor fuel hose from the outlet port of the demand regulator Figure 1 3 Section 1 General Information Guardian Air cooled 7 kW 12 kW and 15 kW Generators GENERAL INFORMATION 3 Disconnect wire 0 and wire 14 from the gas solenoid located on the top of the demand regu lator 4 Remove the demand regulator by rotating coun terclockwise 5 Remove the brass hose fitting from the outlet port of the demand regulator 6 Remove the brass metering jet loosen counter clockwise from the housing port of the demand regulator located on the side of the regulator 7 Install new LP metering jet tighten clockwise in the o
65. generator will automatically restart and the LED will reset once the temperature has returned to a safe operating level 16 Figure 3 3 Low Oil Pressure and High Temperature Switches Low Oil Switch High Temp Switch O 4 Loos Oil Drain Hose Oil Filter 3 75 OVERCRANK This feature prevents the generator from damaging itself when it continually attempts to start and anoth er problem such as no fuel supply prevents it from starting The unit will crank and rest for a preset time limit Then it will stop cranking and the LED will light indicating an overcrank failure The AUTO OFF MANUAL switch will need to be set to OFF and then back to AUTO to reset the generator control board NOTE If the fault is not repaired the overcrank feature will continue to activate 3 7 3 1 Approximate Crank Cycle Times 15 seconds ON 7 seconds OFF 7 seconds ON 7 seconds OFF Repeat for 45 seconds Approximately 90 seconds total 3 74 OVERSPEED This feature protects the generator from damage by shutting it down if it happens to run faster than the preset limit This protection also prevents the gener ator from supplying an output that could potentially damage appliances connected to the generator cir cuit Contact the nearest Generac Authorized Dealer if this failure occurs Guardian Air cooled 7 kW 12 kW and 15 kW Generators 4 1 FUSE The generator panel s 15 a
66. h must comply strictly with applicable codes standards and regulations 1 1 UNPACKING INSPECTION After unpacking carefully inspect the contents for damage This standby generator set has been factory sup plied with a weather protective enclosure that is intended for outdoor installation only warninc amp A If this generator is used to power electrical load circuits normally powered by a utility power source it is required by code to install a trans fer switch The transfer switch must effectively isolate the electrical system from the utility dis tribution system when the generator is operat ing NEC 700 701 and 702 Failure to isolate an electrical system by such means will result in damage to the generator and also may result in injury or death to utility power workers due to backfeed of electrical energy If any loss or damage is noted at time of delivery have the person s making the delivery note all damage on the freight bill or affix his or her signature under the consignor s memo of loss or damage If a loss or damage is noted after delivery separate the damaged materials and contact the carrier for claim procedures Concealed damage is understood to mean damage to the contents of a package that is not in evidence at the time of delivery but is discovered later Section 1 General Information Guardian Air cooled 7 kW 12 kW and 15 kW Generators 12 PROTECTION SYSTEMS Unlike
67. he new air cleaner into the air box Install the cover Turn the two cover screws clock wise to tighten See the Service Schedule Section 4 13 for air cleaner maintenance See Section 1 5 1 for air filter replacement part number Figure 4 6 7 kW Engine Air Cleaner Location Fuel Air Cleaner Regulator Figure 4 7 12 kW and 15 kW Engine Air Cleaner Guardian Air cooled 7 kW 12 kW and 15 kW Generators 4 6 SPARK PLUG S Reset the spark plug s gap or replace the spark plug s as necessary See Section 4 13 for mainte nance requirements 1 Clean the area around the base of the spark plug s to keep dirt and debris out of the engine Clean by scraping or washing using a wire brush and commercial solvent Do not blast the spark plug s to clean 2 Remove the spark plug s and check the condi tion Replace the spark plug s if worn or if reuse is questionable See Section 4 13 for recom mended inspection 3 Check the spark plug gap using a wire feeler gauge Adjust the gap to 0 76 mm 0 030 inch for 7 kW and 0 50 mm 0 020 inch for 12 15 kW by carefully bending the ground electrode Figure 4 8 Figure 4 8 Setting the Spark Plug Gap SET PLUG GAP AT 0 76 mm 0 50 mm 0 030 inch 0 020 inch 26 th Cents M E 4 7 BATTERY MAINTENANCE The battery should be inspected per the Service Schedule Section 4 13 The following procedure should be followed for
68. ice fee may be charged for this adjustment 2 7 ENGINE GOVERNOR ADJUSTMENT If both AC frequency and voltage are correspondingly high or low adjust the engine governor as follows 271 7 KW UNITS 1 Loosen the governor clamp bolt Figure 2 3 2 Hold the governor lever at its wide open throttle position and rotate the governor shaft clockwise as far as it will go Then tighten the governor lever clamp bolt to 70 inch pounds 8 N m 3 Start the generator let it stabilize and warm up at no load 4 Connect a frequency meter across the generators AC output leads 5 Turn the speed adjust nut to obtain a frequency reading of 63 Hz 6 When frequency is correct at no load check the AC voltage reading If voltage is incorrect the volt age regulator may require adjustment Guardian Air cooled 7 kW 12 kW and 15 kW Generators Figure 2 3 Engine Governor Adjustment Idle Spring Governor u qip Shaft JS AN pame gt SA EF 0 INS No Load Idle Governor Clamp Bolt Adjustment Screw 2 72 12 KW AND 15 KW UNITS 1 Loosen governor clamp bolt See Figure 2 3 2 Completely remove the idle spring 3 With governor arm at wide open throttle position rotate governor shaft fully clockwise Tighten clamp bolt to 84 inch pounds 4 Start unit and apply full load Use full load speed adjust screw Figure 2 4 to adjust frequency to 58 Hz 5 Remove load stop engine loosen the i
69. justing the Fuel Regulator Figure 1 4 Demand Regulator OUTLET PORTS FUEL HOSE i BRASS HOSE l FITTING IDLE CIRCUIT PORT n BRASS HOSE l w SMALL PITUNG x O FUEL JET Ayo N REGULATOR ADJUSTER HOUSING PORT SCREWS Section 1 General Information Guardian Air cooled 7 kW 12 kW and 15 kW Generators 1 9 LOCATION 1 9 1 GENERATOR Install the generator set in its protective enclosure outdoors where adequate cooling and ventilating air is always available Consider these factors Install the unit where air inlet and outlet openings will not become obstructed by leaves grass snow etc If prevailing winds will cause blowing or drift ing consider using a windbreak to protect the unit Install the generator on high ground where water levels will not rise and endanger it Allow sufficient room on all sides of the generator for maintenance and servicing A good rule is to allow three feet of space on all sides Where strong prevailing winds blow from one direction face the generator air inlet openings to the prevailing winds Install the generator as close as possible to the fuel supply to reduce the length of piping Install the generator as close as possible to the transfer switch HOWEVER REMEMBER THAT LAWS OR CODES MAY REGUL
70. l Jam Nut 20 Guardian Air cooled 7 kW 12 kW and 15 kW Generators Install new valve cover gasket Re attach the valve cover NOTE Start all four screws before tightening or it will not be possible to get them in place Make sure the valve cover gasket is in place Re attach the spark plug wire to the spark plug Repeat the process for the other cylinder 4 9 COOLING SYSTEM Air inlet and outlet openings in the generator compart ment must be open and unobstructed for continued proper operation This includes such obstructions as high grass weeds brush leaves and snow Without sufficient cooling and ventilating air flow the engine generator quickly overheats which causes it to quickly shut down See Figure 4 9 for vent locations Figure 4 9 Cooling Vent Locations AIR OUTLET j j Ct PCO ttt AIR INTAKE WARNING A The exhaust from this product gets extremely hot f and remains hot after shutdown High grass weeds brush leaves etc must remain clear of the exhaust Such materials may ignite and burn from the heat of the exhaust system caution amp A The maximum ambient temperature for the generator is 48 9 C 104 F Guardian Air cooled 7 kW 12 kW and 15 kW Generators 4 10 ATTENTION AFTER SUBMERSION If the generator has been submerged in water it MUST NOT be started and ope
71. load has been achieved Connect fre quency meter to the output lugs of the generator s main line circuit breaker The fuel regulator is fitted with one 7 kW or two 12 amp 15 kW adjustment screws While watching the frequency meter slowly turn the adjustment screw clockwise or counterclockwise one at a time until highest frequency is read on the meter Only limited adjustment is available between the set pins Under no circumstances should any of the pins be removed Figures 2 1 and 2 2 Figure 2 1 Dual Fuel Regulators 6 and 7 kW 12 13 and 15 kW Adjustment Screw One Side Only When the highest frequency is reached maximum power has been set Then turn both adjustment screws 1 4 turn counterclockwise Regulator is now set 12 7 Guardian Air cooled 7 kW 12 kW and 15 kW Generators Figure 2 2 Placement of Regulator gt Turn utility power to the main distribution panel back on This can be done by switching the serv ice main breaker to the on or closed position Allow the generator to shut down warninc amp Do not make any unnecessary adjustments Factory settings are correct for most applica tions However when making adjustments be careful to avoid overspeeding the engine If this procedure or equipment are not available locate the nearest Generac Guardian Dealer and they can perform the adjustments NOTE A serv
72. ly flush thoroughly with water and seek medical attention and e Spilled electrolyte is to be washed down with an acid neutralizing agent A common practice is to use a solution of 1 pound 500 grams bicarbonate of soda to 1 gallon 4 liters or water The bicar bonate of soda solution is to be added until the evidence of reaction foaming has ceased The resulting liquid is to be flushed with water and the area dried Lead acid batteries present a risk of fire f because they generate hydrogen gas The following procedures are to be followed DO NOT SMOKE when near the battery DO NOT cause flame or spark in battery area and e Discharge static electricity from body before touch ing the battery by first touching a grounded metal surface A Be sure the AUTO OFF MANUAL switch is set to the OFF position before connecting the battery cables If the switch is set to AUTO or MANUAL the generator can crank and start as soon as the battery cables are connected Be sure the utility power supply is turned off 2 and the 5A fuse is removed from the generator control panel or sparking may occur at the bat tery posts as the cables are attached causing an explosion MAINTENANCE S O Section 4 Maintenance 4 8 ADJUSTING VALVE CLEARANCE After the first 50 hours of operation adjust the valve clearance in the engine Important If feeling uncomfortable about doing this procedure or the proper tools are not
73. mainder of the ECS Warranty Period 3 Any warranted emissions related part that is scheduled for replacement as required maintenance in the Owner s Manual shall be warranted for the period of time prior to the first scheduled replacement point for that part If the part fails prior to the first scheduled replacement the part shall be repaired or replaced by Generac according to Subsection 4 below Any such emissions related part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period prior to the first scheduled replacement point for such emissions related part 4 Repair or replacement of any warranted emissions related part under this ECS Warranty shall be performed at no charge to the owner at a Generac Authorized Warranty Service Facility 5 When the engine is inspected by a Generac Authorized Warranty Service Facility the owner shall not be held responsible for diagnostic costs if the repair is deemed warrantable 6 Generac shall be liable for damages to other original engine components or approved modifications proximately caused by a failure under warranty of any emission related part covered by the ECS Warranty 7 Throughout the ECS Warranty Period Generac shall maintain a supply of warranted emission related parts sufficient to meet the expected demand for such emission related parts 8 Any Generac authorized and approved emission related replacement part may be used in the perf
74. mp fuse Figure 4 1 protects the DC control circuit against overload The fuse is wired in series with the battery output lead to the panel If the fuse element has melted open the engine cannot crank or start Replace the fuse using only an identical 15 amp replacement The generator panel s 5 amp fuse protects the battery charge circuit against overload If the fuse element has melted open battery charging capability will not be pos sible Replace the fuse using only an identical 5 amp replacement To remove fuse push cap down and rotate counterclockwise Figure 4 1 Generator Control Panel FUSE Locate your nearest GENERAC dealer at www generac com GENERAG i POWER SYSTEMS INC AUTO OFF MAN SYSTEM SET LOW OIL FUSE HIGH TEMP OVER SPEED OVER CRANK 15A SET FLASHING GREEN LED NO UTILITY SENSE EXERCISE 4 FLASHING RED LEDS OO OO EXERCISER NOT SET TIME A 4 2 CHECKING THE ENGINE OIL LEVEL For oil capacities see Specifications Section 1 5 For engine oil recommendations see Section 4 3 1 To check the engine oil level proceed as follows Figure 4 2 l Start the generator by moving the Auto Off Manual switch to the MANUAL position Allow it to run for a short while and then shut it down by moving the switch to the OFF position 2 Remove the dipstick and wipe it dry with a clean cloth 3 Inst
75. nd use purchaser owner of the new engine or equipment and to each subsequent purchaser owner that each of its engines is 1 Designed built and equipped so as to conform with all applicable regulations adopted by the EPA and CARB pursuant to their respective authority and 2 Free from defects in materials and workmanship which at any time during the ECS Warranty Period may cause a war ranted emissions related part to fail to be identical in all material respects to the part as described in the engine manu facturer s application for certification c The ECS Warranty only pertains to emissions related parts on your engine as follows 1 Any warranted emissions related parts that are not scheduled for replacement as required maintenance in the Owner s Manual shall be warranted for the ECS Warranty Period If any such part fails during the ECS Warranty Period it shall be repaired or replaced by Generac according to Subsection 4 below Any such part repaired or replaced under the ECS Warranty shall be warranted for the remainder of the ECS Warranty Period 2 Any warranted emissions related part that is scheduled only for regular inspection as specified in the Owner s Manual shall be warranted for the ECS Warranty Period A statement in such written instructions to the effect of repair or replace as necessary shall not reduce the ECS Warranty Period Any such part repaired or replaced under the ECS Warranty shall be warranted for the re
76. ng and loads powered by gen erator AC output turn ON the utility power supply to the transfer switch The following should occur After about six seconds the switch should transfer loads back to the utility power source About one minute after retransfer the engine should shut down 11 OPERATION OD Section 3 Operation 2 6 ADJUSTING THE REGULATOR NATURAL GAS ONLY Although the generator has been factory set to pro vide maximum power it may be necessary in some areas to adjust this setting Because natural gas has different BTU or power content across the country the engine may not perform as designed If experiencing engine problems at high or full load conditions follow these steps It will require a fre quency meter to perform this procedure LL Turn off utility power to the main distribution panel in the house This can be done by switching the service main breaker to the off or open position Allow the generator to start before loading the generator Confirm the no load frequency with the roof open and door off is set at 63 63 5 Hz Transfer load to emergency circuits Turn on appliances lights pumps etc that are on the emergency circuits in an attempt to fully load the generator Be cautious not to overload the generator Use the following chart as a guide 120 Volts 240 Volts 50 0 amps 25 0 amps 100 0 amps 50 0 amps 108 3 amps Adjustment Screw Both sides When full
77. ngine Oil 17 4 3 1 Engine Oil Recommendations 17 4 3 2 Oil Change Procedure 18 4 4 Changing the Oil Filter 18 4 5 Changing the Engine Air Cleaner 18 4 5 1 7 kW 12 KW and 15 kW 18 ZI 19 4 7 Battery Maintenance 19 4 8 Adjusting Valve Clearance 20 4 9 Cooling System 20 4 10 Attention After Submersion 21 4 11 Corrosion Protection 21 4 12 Out of Service Procedure 21 4 12 1 Removal From Service 21 4 12 2 Return to Service 21 A To Service Scledule 22 09 e nre ps 22 Section 5 Troubleshooting 23 5 1 Troubleshooting Guide 23 Section 6 Electrical Data 24 Section 7 Exploded Views and Parts LISTS 32 Section 8 Mounting Dimensions 50 Section 9 Notes nnne 51 Section 10 Warranty 52 SAFETY RULES IMPORTANT SAFETY INSTRUCTIONS Guardian Air cooled 7 kW 12 kW and 15 kW Generators SAVE THESE INSTRUCTIONS The manufacturer suggests that these rules for
78. ollowing Break in Procedure be completed to ensure correct generator operation in the future 1 Set the generator s AUTO OFF MANUAL switch to AUTO 2 Turn OFF the utility power supply to the transfer switch using the means provided such as a utili ty main line circuit breaker The unit will start and the transfer switch will transfer to standby Run the unit for one hour at 25 percent load Run the unit for one hour at 50 percent load Run the unit for one hour at 75 percent load Run the unit for one hour at 100 percent load Pe 13 OPERATION Section 3 Operation J gt Guardian Air cooled 7 kW 12 kW and 15 kW Generators 8 Turn ON the utility power supply to the transfer switch which will allow the transfer switch to transfer back to utility power The unit will con tinue to run for one minute and then shut down 9 Allow the unit to cool 10 Drain the oil and remove the oil filter Replace the oil filter according to Section 4 4 Changing the Oil Filter Replace the oil with synthetic oil as recommended in Section 4 3 Changing the Engine Oil 11 The generator is now ready for service 3 2 USING THE AUTO OFF MANUAL SWITCH FIGURE 3 1 3 2 1 AUTO POSITION Selecting this switch position activates fully automatic system operation It also permits starting and exercising the engine every seven days with the setting of the exer cise timer see Section 3 6 This positi
79. oltage is now supplied to the transfer switch Contact with live transfer switch parts will result in dangerous and possibly fatal electrical shock Section 2 Post Installation Start up and Adjustments Guardian Air cooled 7 kW 12 kW and 15 kW Generators 8 Connect an accurate AC voltmeter and a frequen cy meter across transfer switch terminal lugs E1 and E2 Voltage should be 242 252 volts fre quency should read about 61 63 Hertz 9 Connect the AC voltmeter test leads across termi nal lug 1 and neutral then across E2 and neu tral In both cases voltage reading should be 121 126 volts AC 10 Set the generator s main circuit breaker to its OFF or open position Let the engine run at no load for a few minutes to stabilize internal engine generator temperatures 11 Set the generator s AUTO OFF MANUAL switch to OFF The engine should shut down NOTE It is important not to proceed until certain that generator AC voltage and frequency are correct and within the stated limits Generally if both AC frequency and voltage are high or low the engine governor requires adjustment If frequency is cor rect but voltage is high or low the generator s voltage regulator requires adjustment 2 4 GENERATOR TESTS UNDER LOAD To test the generator set with electrical loads applied proceed as follows 1 Set generator s main circuit breaker to its OFF or open position 2 Set the generator s AUTO OFF MANUAL switch
80. on also is used for remote starting when it is set up 3 2 2 OFF POSITION This switch position shuts down the engine This position also prevents automatic operation 3 2 3 MANUAL POSITION set the switch to MANUAL to crank and start the engine Transfer to standby power will not occur unless there is a utility failure Figure 3 1 Generator Control Panel FUSE Locate your nearest GENERAC dealer at www generac com GENER AC power systems INC SYSTEM SET LOW OIL FUSE HIGH TEMP OVER SPEED OVER CRANK in NO UTILITY SENSE EXERCISE OOO 4 FLASHING RED LEDS EX TIME ERCISER NOT SET S J wARNING amp A With the switch set to AUTO the engine may crank and start at any time without warning Such automatic starting normally occurs when utility power source voltage drops below a pre set level or during the normal exercise cycle To prevent possible injury that might be caused by such sudden starts always set the switch to OFF and remove both fuses before working on or around the generator or transfer switch Then place a Do Not Operate tag on the gen erator panel and on the transfer switch AUTO OFF 14 5 5 AUTOMATIC TRANSFER OPERATION To select automatic operation do the following 1 Make sure the transfer switch main contacts are set to their Utility position i
81. ormance of any ECS Warranty maintenance or repairs and will be provided without charge to the purchaser owner Such use shall not reduce Generac s ECS Warranty obligations 9 Unapproved add on modified counterfeit and or grey market parts may not be used to modify or repair a Generac engine Such use voids this ECS Warranty and shall be sufficient grounds for disallowing an ECS Warranty claim Generac shall not be held liable hereunder for failures of any warranted parts of a Generac engine caused by the use of such an unapproved add on modified counterfeit and or grey market part EMISSION RELATED PARTS INCLUDE THE FOLLOWING 1 Fuel Metering System 2 Air Induction System including 1 1 Gasoline carburetor assembly and its a Intake pipe manifold internal components if so equipped b Air cleaner a Fuel filter if so equipped 3 Ignition System including b Carburetor gaskets a Spark plug C Fuel pump if so equipped b Ignition module 1 2 LPG carburetion assembly and its 4 Catalytic Muffler Assembly if so equipped including internal components if so equipped a Muffler gasket a Fuel controller if so equipped b Exhaust manifold b Mixer and its gaskets if so equipped c Carburetor and its gaskets if so equipped 5 Crankcase Breather Assembly including d Primary gas regulator if so equipped a Breather connection tube e LP liquid vaporizer if so equipped Generac engine types covered by
82. plies will result in extremely hazardous and possibly fatal electrical shock 2 5 ELECTRICAL CHECKS Complete electrical checks as follows 1 Turn on the utility power supply to the transfer switch using the means provided such as a utili ty main line circuit breaker DX A A The transfer switch is now electrically hot Contact with hot parts will result in extreme ly hazardous and possibly fatal electrical shock Proceed with caution 2 Use an accurate AC voltmeter to check utility power source voltage across terminals N1 and N2 Nominal line to line voltage should be 240 volts AC 3 Check utility power source voltage across termi nals N1 and the transfer switch neutral lug then across terminal N2 and neutral Nominal line to neutral voltage should be 120 volts AC 4 When certain that utility supply voltage is com patible with transfer switch and load circuit rat ings turn OFF the utility power supply to the transfer switch 5 Set the generator s main circuit breaker to its OFF or open position Initial tests will be con ducted at no load condition 6 On the generator panel set the AUTO OFF MAN UAL switch to MANUAL The engine should crank and start 7 Let the engine warm up for about five minutes to allow internal temperatures to stabilize Then set the generator s main circuit breaker to its ON or closed position 19 A A Proceed with caution Generator power v
83. rated Following any sub mersion in water have a Generac Authorized Dealer thor oughly clean and dry the generator 4 11 CORROSION PROTECTION Periodically wash and wax the enclosure using automo tive type products Frequent washing is recommended in salt water coastal areas Spray engine linkages with a light oil such as WD 40 4 12 OUT OF SERVICE PROCEDURE 4 12 1 REMOVAL FROM SERVICE If the generator cannot be exercised every seven days and it is to be out of service longer than 90 days pre pare the generator for storage as follows 1 Start the engine and let it warm up 2 Close the fuel shutoff valve in the fuel supply line and allow the unit to shut down 3 Once the unit has shut down it will signal a low oil fault 4 Setthe AUTO OFF MANUAL switch to OFF and turn off the utility power to the transfer switch Remove both fuses from the generator control panel o While the engine is still warm from running drain the oil completely Refill the crankcase with oil See Engine Oil Recommendations Section 4 3 1 6 Attach a tag to the engine indicating the viscosity and classification of the oil in the crankcase 7 Remove the spark plug s and spray fogging agent into the spark plug s threaded openings Reinstall and tighten the spark plug s 8 Remove the battery and store it in a cool dry room on a wooden board Never store the battery on any concrete or earthen floor 9 Clean and wipe the entire genera
84. safe A WARNING A The engine exhaust from this product contains chemicals known to the state of California to cause cancer birth defects or other reproductive harm A WARNING A This product contains or emits chemicals known to the state of California to cause cancer birth defects or other reproductive harm Study these SAFETY RULES carefully before installing operating or servicing this equipment Become familiar with this Owner s Manual and with the unit The generator can operate safely efficiently and reliably only if it is properly installed operated and maintained Many accidents are caused by failing to follow simple and fundamental rules or precau tions Generac cannot possibly anticipate every possible circumstance that might involve a hazard The warn ings in this manual and on tags and decals affixed to the unit are therefore not all inclusive If using a procedure work method or operating tech nique Generac does not specifically recommend ensure that it is safe for others Also make sure the procedure work method or operating technique cho sen does not render the generator unsafe DX A A Despite the safe design of this generator operating this equipment imprudently neglecting its maintenance or being careless can cause possible injury or death Permit only responsible and capable persons to operate or maintain this equipment A Potentially lethal voltages are generated by the
85. se machines Ensure all steps are taken to render the machine safe before attempting to work on the generator Parts of the generator are rotating and or hot during operation Exercise care near running generators operation be copied and posted near the unit s installation site Safety should be stressed to A all operators and potential operators of this equipment GENERAL HAZARDS For safety reasons Generac recommends that the installation initial start up and maintenance of this equipment is carried out by a Generac Authorized Dealer The engine exhaust fumes contain carbon monox ide which can be DEADLY This dangerous gas if breathed in sufficient concentrations can cause unconsciousness or even death This exhaust sys tem must be installed properly in strict compli ance with applicable codes and standards Following installation do nothing that might ren der the system unsafe or in noncompliance with such codes and standards Keep hands feet clothing etc away from drive belts fans and other moving or hot parts Never remove any drive belt or fan guard while the unit is operating Adequate unobstructed flow of cooling and venti lating air is critical to correct generator operation Do not alter the installation or permit even partial blockage of ventilation provisions as this can seri ously affect safe operation of the generator The generator MUST be installed outdoors When working on this equipm
86. t the nearest Generac Authorized Dealer for assistance 23 lt ea ELECTRICAL DATA SP1 SP2 DIAGRAM KEY BA BRUSH ASSEMBLY BCR BATTERY CHARGE RELAY CB1 MAIN OUTPUT BREAKER CB2 CIRCUIT BREAKER ALTERNATOR EXCITATION D DIODE DSW PCB MOUNTED DIP SWITCH FS FUEL SOLENOID F1 FUSE 15 AMP F2 FUSE 5 AMP GRD CONTROL PANEL GROUND HTO HIGH OIL TEMPERATURE SWITCH IC INLINE CONNECTOR ICT INTERCONNECTION TERMINALS IM1 IGNITION MODULE CYLINDER 1 IM2 IGNITION MODULE CYLINDER 2 LOP LOW OIL PRESSURE SWITCH SC STARTER CONTACTOR SCR STARTER CONTACTOR RELAY SP1 SP2 SPARK PLUGS SW1 AUTO OFF MANUAL SWITCH SW2 SET EXERCISE SWITCH SM STARTER MOTOR TB INSULATED TERMINAL BLOCK TX TRANSFORMER 16 Vac 56 VA amp 16 Vac 1 VA DUAL SEC Section 6 Electrical Data Guardian Air cooled 7 kW 12 kW and 15 kW Generators Wiring Diagram 12 amp 15 kW Drawing No 0D8500 B ENGINE WIRING 0 IM1 IM2 85 FS BATTERY 1 224 225 13A 225B 224B 14 0 gt 6
87. tility source voltage If utility source voltage drops below about 70 per cent of the nominal supply voltage the sensor energizes a 15 second timer Once the timer has expired the engine will crank and start B Engine Warm up Time Delay This mechanism lets the engine warm up for about 10 seconds before the load is transferred to a standby source C Standby Voltage Sensor This sensor monitors generator AC output volt age When the voltage has reached 50 percent of the nominal rated voltage transfer to standby can occur OPERATION Section 3 Operation Guardian Air cooled 7 kW 12 kW and 15 kW Generators 1r D Utility Voltage Pickup Sensor This sensor monitors utility power supply volt age When that voltage is restored to above 70 percent of the nominal source voltage a retrans fer time delay starts timing E Retransfer Time Delay This timer runs for about 15 seconds At end of a 15 second delay circuit board action de energizes the transfer relay in the transfer switch Retransfer to utility power source then occurs Engine Cool down Timer When the load is transferred back to utility power source the engine cool down timer starts timing The timer will run for about one minute and the generator will then shut down 5 5 MANUAL TRANSFER OPERATION 5 5 1 TRANSFER TO GENERATOR POWER SOURCE To start the generator and activate the transfer switch manually proceed as follows
88. tor MAINTENANCE S Section 4 Maintenance 4 12 2 RETURN TO SERVICE To return the unit to service after storage proceed as follows 1 Set the generator s main circuit breaker to its OFF or open position 2 Verify that utility power is turned off and that the AUTO OFF MANUAL switch is set to OFF 3 Check the tag on the engine for oil viscosity and classification Verify that the correct recommended oil is used in the engine see Section 4 3 1 If nec essary drain and refill with the proper oil 4 Check the state of the battery Fill all cells of unsealed batteries to the proper level with distilled water DO NOT USE TAP WATER IN THE BATTERY Recharge the battery to 100 percent state of charge or if defective replace the battery See Specifications Section 1 5 for type and size 5 Clean and wipe the entire generator 6 Remove both fuses from the generator control panel 7 Reconnect the battery Observe battery polarity Damage may occur if the battery is connected incor rectly Replace the fuses in the generator control panel 8 Open the fuel shutoff valve 9 Start the unit by moving the AUTO OFF MANUAL switch to MANUAL Allow the unit to warm up thor oughly 10 Stop the unit and set the AUTO OFF MANUAL switch to AUTO Set the generator s main circuit breaker to its ON or closed position 11 Turn on the utility power to the transfer switch 12 The generator is now ready for service
89. uirements For engines less than 225 cc displacement Category C 125 hours B 250 hours and A 500 hours For engines 225 cc or more Category C 250 hours B 500 hours and A 1000 hours READ THIS MANUAL THOROUGHLY If any portion of this manual is not understood contact the nearest Generac Authorized Dealer for starting operating and servicing procedures Throughout this publication and on tags and decals affixed to the generator DANGER WARNING CAUTION and NOTE blocks are used to alert per sonnel to special instructions about a particular operation that may be hazardous if performed incor rectly or carelessly Observe them carefully Their def initions are as follows DX A After this heading read instructions that if not strictly complied with will result in serious person al injury including death in addition to property damage waRNING amp After this heading read instructions that if not strictly complied with may result in serious person al injury or property damage caution amp After this heading read instructions that if not strictly complied with could result in damage to equipment and or property NOTE After this heading read explanatory statements that require special emphasis These safety warnings cannot eliminate the hazards that they indicate Common sense and strict compli ance with the special instructions while performing the
90. used by defects in materials or workmanship or any delay in repair or replacement of the defective part s Failure due to misapplication Telephone cellular phone facsimile internet access or other communication expenses Living or travel expenses of person s performing service except as specifically included within the terms of a specific unit warranty period Expenses related to customer instruction or troubleshooting where no manufacturing defect is found Rental equipment used while warranty repairs are being performed Costs related to equipment used in removal and or reinstallation i e cranes hoists lifts etc Overnight freight costs for replacement part s Overtime labor Starting batteries fuses light bulbs and engine fluids USE OF NON GENERAC GUARDIAN TRANSFER SWITCHES SHALL VOID THIS WARRANTY WITH RESPECT TO ALL GENERAC PRODUCT THIS WARRANTY IS IN PLACE OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED SPECIFICALLY GENERAC MAKES NO OTHER WARRANTIES AS TO THE MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you GENERAC S ONLY LIABILITY SHALL BE THE REPAIR OR REPLACEMENT OF PART S AS STATED ABOVE IN NO EVENT SHALL GENERAC BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGES EVEN IF SUCH DAMAGES ARE A DIRECT RESULT OF GENERAC S NEGLIGENCE Some states do not allow the excl
91. usion or limitation of incidental or conse quential damages so the above limitation may not apply to you This warranty gives you specific legal rights You also have other rights from state to state GENERAC POWER SYSTEMS INC P O BOX 297 WHITEWATER WI 53190 Part No OE8295 Revision 10 08 03 Printed in U S A
92. utlet port of the demand regulator 8 Refit the brass hose fittings to the outlet port of the demand regulator 9 Reverse procedure steps 1 4 to reinstall demand regulator 10 Reverse the procedure to convert back to natural gas Figure 1 3 Demand Regulator FUEL HOSE BRASS HOSE FUEL HOSE FITTING BRASS HOSE FITTING Z 99 OUTLET PORT FUEL JET 2 uw 9 o _ REGULATOR HOUSING PORT 2 LP FUEL SYSTEM NG FUEL SYSTEM NOTE The natural gas adjustment screw is preset during installation and should not need any further adjustment 1 8 2 12KW AND 15KW 990CC ENGINES To reconfigure the fuel system from NG to LP follow these steps NOTE The primary regulator for the propane supply is NOT INCLUDED with the generator A fuel pres sure of 11 to 14 inches of water column 0 6 psi to the fuel inlet of the generator MUST BE SUP PLIED 1 Turn OFF the main gas supply 2 Remove the engine air in baffle located on the left hand side of the battery compartment Two M6 screws are located on top of the baffle and two M6 screws are located on the inside of the baffle towards the back GENERAL INFORMATION 3 Remove the small hose clamp and hose from the fuel regulator It may be necessary to pry the hose
93. y 1 11 THE BATTERY Servicing of the battery is to be performed or super vised by personnel knowledgeable of batteries and the required precautions Keep unauthorized person nel away from batteries When replacing the battery use the following type of battery Group 26 26R 12 volt battery with a rating of 350 cold cranking amps minimum for 7 kW 550 cold cranking amps minimum for 12 and 15 kW at 18 C 0 F minimum When using a maintenance free battery it is not necessary to check the specific gravity or electrolyte level Have these procedures performed at the intervals specified in the Service Schedule A negative ground system is used Battery connections are shown on the wiring diagrams Make sure the battery is correctly connected and terminals are tight Observe battery polarity when connecting the battery to the generator set DX A Do not dispose of the battery in a fire The battery is capable of exploding A A battery presents a risk of electrical shock and high short circuit current The following precautions are to be observed when working on batteries e Remove watches rings or other metal objects e Use tools with insulated handles Wear rubber gloves and boots e Do not lay tools or metal parts on top of the battery and e Disconnect charging source prior to connecting or dis connecting battery terminals warnings amp Do not open or mutilate the battery Rel

Generac 04758-1, 04759-1, 04760-1 Portable Generator User Manual

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