Installation Manual - Marlow
Contents
1. 4 N INLET 19 1 18 15 O N OG ae 1 5 OIL FILTER GENSET GROUND 618 1 VESSEL BOND Uds o BATTERY o o NE dq EXHAUST BATTERY BULKHEAD 518 0000000 E BA OUTLET B AND B 5 16 18 STUDS 22 16 28 811 50 8 02 01 SIPHON POINT 0000000 e 0000000 s 000000 Al O RAW WATER INLET C 5 2 25 4 1 1 01 OD TUBE 2 k Z 315 310 5 J 12 221 XZ 3 1 72 2 o H 9g o gt 8 AS 2 1 1 GENERATOR AIR INLET RAW WATER 68 FUEL OUT 1 4 NPT SEE NOTESY HEAT EXCHANGER DRAIN 2 68 24 5 GEN AIR OUT 658 8 CLEAN OUT 25 94 FUEL IN 1 4 NPT A OIL DRAIN ACCESS BOTH ENDS ENGINE COOLANT 62 IN ID HOSE 664 5 OPTIONAL SIPHON DRAIN OR 1 2 NPT CONNECTION 26 16 BREAK OUTLET 819 1 8 151 602 gt Eh I RAW WATER DRAIN 23 7 AND ZINC ANODE OUTLINE DRAWING MDKBS SHEET 22. 362 7 209 14 28 8 23 1 OOLANT FILL ACCESS 392 6 CONTROL NOTES 366 4 15 46 END i DIMENSIONS IN C ARE INCHES 425 16 73 2 THRU HOLES FOR HOSE ROUTING INCLUDE RUBBER GROMMETS FOR ABRAISION PROTECTION MT 3 100 4 0 MIN CLEARANCE REQUIRED FOR AIR FLOW AT INLET AND 50 2 0 AT OUTLET o 21 6 1 09 14 A y Y MOUNTING HOLE LOCATION 0 551 0 0 0 0 0 0 VIEWED FROM TOP SIDE PLAN VIEW Gane en RT SCALE 3 16 e 390 SERVICE 15 3 HOUSED 324 6 5 315 6 69518 194 UNHOUSED 299KG 66018 290KG 64018 FIRE EXTINGUISHER CONNECTION 19 4 1 00 INCH KNOCKOUT AC BREAKER REMOTE HARNESS ACCESS 4 GENSET GROUND CENTER OF GRAVITY VESSEL BOND 593 23 4 916 AIR OUTLET RECOVERY TANK MOUNT ING EXHAUST WET BATTERY BULKHEAD 585 3 OUTLET m B AND 5 16 18 STUDS 23 04 OPTIONAL EXHAUST 250 8 82 0 WET OUTLET OPTIONAL RAW WATER INLET BATTERY ACCESS Z gt 25 4 1 0 00 TUBE 211 52 ZINC ANODE 18 51 55 B y OOLANT DRAIN OPTIONAL RATOR AND ENGINE ACCESS GENSET GROUND 25 24 5 AIR m5 OPTIONAL OUT VESSEL BOND FUEL IN 1 4 N
3. FUEL IN 1 4 me 460 18 111 OOLANT FILL ACCESS 392 CONTROL 366 ENGINE m 15 46 END 14 END 13 28 1 425 16 1 10 8 MOUNTING HOLE LOCATION 0 NOAA Y Y VIEWED FROM TOP SIDE PLAN VIEW 0 55 SCALE 3 16 90 SERVICE 15 3 SIDE 94 FIRE EXTINGUISHER CONNECTION 19 4 1 00 INCH KNOCKOUT 911 3 AC BREAKER REMOTE HARNESS ACCESS 35 88 OF GRAVITY NOUMTINE 9 E ex GENSET GROUND VESSEL BOND 585 233 EXHAUST 23 4 OUTLET BATTERY 0907 1231 850 8 1 2 0 B AND B 5 16 18 STUDS gt gt RAW WATER INLET 25 4 1 0 OD TUBE 217 244 8 54 9 61 Z T Y Y 2232 L_GENERATOR AND ENGINE 25 3 AIR INLET 2 05 FUEL OUT 1 4 NPT 4 M MEE RAW WATER IN NOTES DIMENSIONS IN 1 ARE INCHES 2 THRU HOLES FOR HOSE ROUTING INCLUDE RUBBER GROMMETS FOR ABRAISION PROTECTION 3 100 4 0 MIN CLEARANCE REQUIRED FOR AIR FLOW AT INLET AND 50 2 0 AT OUTLET TABULATION MODEL WET WEIGHT DRY WEIGHT HOUSED 219 6 61518 212 6 60018 UNHOUSED 259 6 57018 252KG 55518 i 566 22 3 RECOVERY TANK ACCESS CENTER OF GRAVITY AI
4. SIPHON BREAK 1 25 INCH KNOCKOUT IS 479 8 e 198 5 F 114 111 18 54 7 82 AC ACCESS KNOCKOUT OOLANT FILL ACCESS 1 Ey 2 1 5 NOTES LA DIMENSIONS IN 1 ARE INCHES 403 9 2 THRU HOLES FOR HOSE ROUTING INCLUDE HL RUBBER GROMMETS FOR ABRAISION PROTECTION END END 3 100 4 0 MIN CLEARANCE REQUIRED FOR AIR FLOW AT INLET AND 50 2 0 AT OUTLET 7 HET N EN 4 E KK P E EY 99 1 TABULATION 2 13 91 4 MODEL OPTION DIM_A WET WEIGHT DRY WEIGHT 011 42 MDKBP HOUSED 584 2 23 424KG 93518 411 6 90518 MOUNTING BASE 4 2 MDKBP UNHOUSED 584 2 23 365 6 80518 352KG 77518 VIEW 4X gs MDKBR HOUSED 614 6 24 21 447KG 98518 433 6 955LB SCALE 3 16 MDKBR UNHOUSED 614 6 24 21 388KG 85518 314 6 82518 FIRE EXTINGUISHER CONNECTION ACCESS S 1 00 INCH KNOCKOUT AC BREAKER REMOTE HARNESS
5. TO LT a A 9 ojo ojo do 9 El C Dp Gs CPG gt gt qp Ga Den ESA O 5 891 110 2 gt 6 7 210 3 6 54 10 64 4X 1 2 13UNC 28B THD EQUALLY SPACED 146 05 B INVOLUTE SPLINE PRESSURE ANGLE 2X 1 2 13UNC 2B THD 13 TEETH 16 32 OPTIONAL FUEL IN 4 OUT OPTIONAL BATTERY ACCESS OPTIONAL OPTIONAL RAW WATER IN GENSET GROUND VESSEL BOND 136 i gt lt 329285 5 361 12 98 OUTLINE DRAWING MDKBP MDKBR SHEET 3 A 10 100 334 21 561 13 15 602 1 23 1 107 1 p 4 22 eo 5 CONTROL o ENGINE 387 END END 15 24 N MOUNTING BASE um Dis TOP VIEW 0 55 SCALE 1 8
6. EXTINGUISHER CONNECTION INCH KNOCKOUT SIPHON BREAK 1 25 INCH KNOCKOUT AC ACCESS 2 101 21 831 453 4 17 85 OOLANT FILL ACCESS 394 115 LIFTING EYE ACCESS NOTES I DIMENSIONS IN 1 ARE INCHES 2 THRU HOLES FOR HOSE ROUTING INCLUDE RUBBER GROMMETS FOR ABRAISON PROTECTION 100 4 0 MIN CLEARANCE REQUIRED FOR AIR FLOW AT INLET AND 50 12 01 AT OUTLET TABULATION OPTION WET WEIGHT DRY WEIGHT HOUSED 551 6 121518 533 0 111518 UNHOUSED 485 6 101018 461 0 103018 RECOVERY TANK REMOTE HARNESS ACCESS ACCESS RECOVERY TANK 53 45 ENTER OF GRAVITY MOUNT ING ENTER OF 7 GRAVITY 163 30 017 7 AIR OUTLET o o SEE NOTE 3 OPTIONAL EXHAUST WET OUTLET GENSET GROUND PTIONAL VESSEL BOND PTIONAL GENSET GROUND BATTERY ACCESS 5 VESSEL BOND
7. D 184 5 7 26 9 1 18 0 3937 331 4 13 2835 0 5512 y 10 3 2 1611 3 MOUN VI f ENTER OF GRAVITY HEAT EXCHANGER CLEANOUT BOTH ENDS ZINC ANODE dg 92 6 461 I dg 9 e 441 3 17 37 7 2X 14 1 68 0 5512 IL DRAIN HOSE RAISED 14 55 3 8 18 NPT DIPSTICK OIL FILL 2 244 4 9 621 a IL FILTER FUEL F RAW WATER INLET 25 4 1 01 00 428 16 85 WET WEIGHT DRY WEIGHT 245KG 540 LB 238KG 525 LB NE COOLANT DRAIN 245 OUTLINE DRAWING MDKBK SHEET 1 A 14
8. OPTIONAL DRY EXHAUST UP 25 1 1 2 OPTIONAL DRY EXHAUST DOWN 8 EXH UP EXTERNAL THREAD 1 1 2 EXTERNAL THREAD AC ACCESS KNOCKOUT 9 OPTIONAL LOW COOLANT LEVEL SWITCH b 1 713 3 28 081 E 412 9 TM 18 621 19 2 2 450 4 17 73 419 2 r 1651 PET 4 f UN Y 1 1 PTIONAL KEEL COOLING PTIONAL KEEL COOLING OUTLET 25 4 01 01 HOSE INLET 225 4 01 01 HOSE ripe EXTINGUISHER CONNECTION BARB CONNECTION BARB CONNECTION 1 00 INCH KNOCKOUT CENTER OF GRAVITY e 60122 LIFTING B AC BREAKER REMOTE HARNESS ACCESS OPTIONAL SIPHON BREAK 211 3 LIFTING EYE Ke INLET 219 1 6 151 10 681 OIL DRAIN HOSE 3 8 18 NPT e ui IL FILL ES GENSET GROUND VESSEL BOND 0009990 IL FILTER O 63 9000000 OT EXHAUST WET BATTERY BULKHEAD 24 8908880 OUTLET B AND 5 16 18 STUDS 2 i DU 080080 20 1 E RAW WATER INLET SIPHON POINT 23 a 25 4 01 01 OD TUBE 245 9 66 lt a gt 1 i OUT 1 4 NPT E ENERATOR AIR INLET FUEL FILTER ZINC ANODE FUEL IN 1 4 NPT M SEE NOTE 3 HEAT EXCHANGER 68 on CLEAN OUT 2 681 DIM_A a 282 2 I OPTIONAL SIPHON BREAK EM OUTLET 819 1 10 151 44 381 OUTLINE DRAWING MDKBP MDKBR SHEET 2 A 9 602 23 7 ENTER OF GRAVITY ENGINE COOLANT DRAIN RAW WATER DRAINS
9. 24 volts optional 10 2 B _input J2 12 2 pod pn H E B1_Starter_Motor Je 4 F O 1 87 2 87A Starter_Out_u3 10 85 86 87 Glow Plug Relay J1 1 Low Coolant Level Switch NOTE 9 OUT Stow Hs1ow3 I 1 5 2 Bt 85H86 Low Coo1 Level sense ya s B O END E5_Fue1_Pump GNO GND GND GNO 0 NOTE 2 anm 1 5 Fuel Pump J1 6 S 7 Oil Pressure SenseJ1 10 V E2 Eng Cloolan1 Sender I4 Eng Temp senseJ1 89 fF 7 S6_Sea_Water_ Pressure Sea Water Pressure Ssense J1 8 o S5 Exhaust Temp Switch Exhaust Temper Sense J41 4141 2 k EGCALCEUN Ey Start_J2 2 lt t 87 NNI Stop
10. NOHdIS HLIM 3NITH3 IIVM NOILVTIVLSNI LSNVHX3 LAM TWOIdAL 3 9 100 49d 2 1 18 1e edo s snw edid pue 1sneuxe r 3NIIH3IVM IN 271 NI 9 WNWINIW WW 506 NI ZL INN 606 NI L QN3WINOO3H ANITLNO 31VIHdOHddV 35 T3A31 H3XIIN LS0VHX3 H31VM ANI1431VM WALSAS LSNYHX NI LNIOd 1SIHDIH FHL 1 9 3801913 HO1VHVd3S H31VM V TIVLSNI HO NMOHS SV 33HN V 31VOIHav4 l3SN35 NOHdIS 3NI1H31VM GVOT JHL 3AOSV WW 261 NI 9 NVHL 5541 51 HO MOT38 SI H3XIW LSNVHX3 H31VM JI SI MV3H8 NOHdIS 6 4 EXHAUST SYSTEMS Figure 6 3 shows a typical dry exhaust system A separate exhaust system must be provided for each engine Soot corrosive condensate and high gas temperatures can damage idle engines served by a common exhaust system The exhaust system must be supported indepen dently of the engine Supporting the weight of ex haust piping at the turbocharger outlet can lead to turbocharger failure A flexible bellows type stainless steel section at least 18
11. er DRY EXHAUST 5 1 OF Yo 14 92 SIPHON Y OL _ No Step BB p Y 4 4 o 11111 2 Pare C o ys T I E 1 SIPHON BEAK view SIPHON BREAK OUTLET 219 1 751 INLET 19 1 1 751 e FIRE EXTINGUISHER CONNECTION 566 1 00 INCH KNOCKOUT CENTER OF GRAVITY 22 3 OIL DRAIN HOSE 283 LIFTING EYE REMOTE HARNESS ACCESS 3 8 18 NPT DIPSTICK 11 11 IL FILL Ty 7 o 8 5 4 i el O 4 GENSET GROUND E 5 ENTER OF VESSEL 5 n 7 GRAVITY as EXHAUST BATTERY BULKHEAD 2 N Li YA B AND B 5 16 18 STUDS 23 8 9 HEAT EXCHANGER 5 maa IL FILTER 3 CLEANOUT RAW WATER INLET BOTH ENDS 25 4 11 0 1 OD TUBE 211 244 18 51 pS 9 61 D d q oH J 1 V 7 ZINC ANODE GEN AIR OUT 1 OOLANT DRAIN P FUEL OUT 1 4 NPT 24 4 287 VALVE RAW WATER A 0 961 ENERATOR AIR INLET 539 I 11 3 DRAIN SEE NOTE 3 21 22 570 1 8 NPT 22 44 FUEL IN 1 4 NPT 40 69 OUTLINE DRAWING MDKBM MDKBN SHEET 2 A 7
12. CONNECTIONS Fuel Pump Lif iR 2mj Fuel Supply NPT female Fuel Retum NBT female Raw Water Pump LM 41122 Raw Water net Tin 254 mm ID Hose Wet Exhaust Outlet 2 in 60 8 mm ID Hose Dry Exhaust 102 Mex Exhaust Back Pressure Sin 76 mm KEEL COOLING Coolant Inlet amp Outlet 1 in 25 4 mm ID Hose Max Coolant Friction Head 1 psi 6 9 kPa 1 psi 6 9 kPa 1 psi 6 9 kPa Heat Rejection to Coolant 60 Hz 1590 Btu min 402 kcal min 1980 Btu min 500 kcal min 2490 Btu min 629 kcal min 50Hz 1500 Btu min 379 kcal min 1670 Btu min 422 kcal min 2090 Btu min 528 kcal min Thermostat Opening Temperature 185 F 85 C 185 F 85 C 185 F 85 C BATTERIES Nominal Battery Voltage 12 volts 12 volts 12 volts Min CCA Rating SAE 32 F 0 C 500 amps 625 amps Battery Charging 12 24 VDC 40 20 amps 40 20 amps 40 20 amps SIZE WEIGHT NOISE Without Enclosure Dry Weight 830 Ibs 377 kg 870 Ibs 375 kg 1090 Ibs 494 kg Dimensions L x W x H 44 4 x 23 7 x 26 1 in 44 4 x 23 7 x 26 1 in 53 5 x 23 7 x 28 8 in 1127 x 602 x 663 mm 1127 x 602 x 663 mm 1358 x 602 x 732 mm With Enclosure Noise 67 64 dB A 60 50 HZ 67 64 dB A 60 50 HZ 68 67 dB A 60 50 HZ Dry Weight 890 Ibs 404 kg 930 Ibs 422 kg 1175 Ibs 533 kg Dimensions L x W x H 44 4 x 23 7 x 27 5 in 44 4 x 23 7 x 27 5 in 53 5 x 23 7 x 30 0 in 1127 x 602 x 698 mm 1127 x 602 x 698 mm 1358 x 602 x 763 mm
13. EXHAUST 8 RAW WATER OUT TO BULKHEAD FITTING ON RIGHT OR LEFT SIDE RAW WATER CLEANOUT COVER BOTH ENDS MAKE SURE TO RECONNECT GROUND STRAP ON THIS END WITH COVER SCREW COOLANT DRAIN COCK amp RAW WATER PLUGS UNDERNEATH COOLANT gt RAW WATER FIGURE 5 2 ENGINE COOLING SYSTEM MDKBP MDKBS 5 4 6 Engine Exhaust WET EXHAUST SYSTEMS EXHAUST GAS IS DEADLY The ex haust system must be leak free and convey all exhaust outside away from windows doors and vents Figure 6 1 illustrates a typical exhaust system where the raw water fitting on the exhaust water mixer siphon point is above the load water line and Figure 6 2 where it is below See Engine Cooling Page 5 1 regarding raw water connections The installation must comply with applicable standards and regulations including those of the USCG and ABYC p 1 1 A separate engine exhaust system must be installed for each genset It must be isolated from all other engine exhaust systems Mufflers water separators and siphon breaks are available as kits from Onan Hose and Hose Fitting Diameters No hose or hose fitting in the exhaust system may have a smaller inside diameter than the engine out let If the total run of exhaust hose is more than 20 feet 6 meters measure exhaust back pressure and use larger diameter hose if back pressure ex ceeds specifications See Section 10 Specifica tions Exhaust Hose Use hose that ha
14. 7 MUFFLER lt FLEXIBLE SUPPORTS DRAIN TRAP DRY EXHAUST ELBOW AT GENSET FIGURE 6 3 SCHEMATIC OF TYPICAL DRY EXHAUST SYSTEM 6 5 7 Electrical Connections HAZARDOUS VOLTAGE Touching uninsulated live parts inside the genset and connected equipment can result in severe per sonal injury or death For your protection stand on a dry wooden platform or rubber insulating mat make sure your clothing and shoes are dry remove jewelry from your hands and use tools with insulated handles Secure protective cov ers when completing installation IMPROPER WIRING can cause fire or electric shock resulting in severe personal injury or death ACCIDENTAL REMOTE STARTING of the gen set can cause severe personal injury or death To prevent unintended starting do not connect the starting battery until it is time to start up the genset AC CONNECTIONS Wiring Methods All wiring methods connections wire ampacities equipment grounding and materials must be spected and comply with applicable regulations Use flexible conduit and stranded conductors for load wiring to take up movement and vibration Note All feed through holes in decks and bulkheads for wiring must be sealed to prevent exhaust gases and flammable vapors from entering the rest of the boat Wiring conduit must be sealed inside as well as outside Generator Alternator Connections Make generator connections or re
15. C 3 in 76 mm Hg 1 in 25 4 mm ID Hose 950 Btu min 239 kcal min 780 Btu min 197 kcal min 185 F 85 C 2 in 50 8 mm ID Hose 3 in 76 mm Hg 1 in 25 4 mm ID Hose 1 psi 6 9 kPa 1 psi 6 9 kPa 1 psi 6 9 kPa 1220 Btu min 307 kcal min 980 Btu min 247 kcal min 185 F 85 C 12 volts 12 volts 12 volts 360 amps 360 amps 500 amps 5 10 amps 5 10 amps 5 10 amps 525 lbs 238 kg 32 4 x 18 9 x 22 1 in 479 1 x 822 6 x 560 9 mm 555 Ibs 252 kg 35 9 x 22 3 x 23 0 in 911 x 566 x 585 mm 66 65 dB A 60 50HZ 600 Ibs 272 kg 35 9 x 22 3 x 23 4 in 911 x 566 x 593 mm 10 1 640 Ibs 290 kg 40 7 x 22 3 x 23 0 in 1033 x 566 x 585 mm 66 65 dB A 60 50HZ 695 Ibs 315 kg 40 7 x 22 3 x 23 4 in 1033 x 566 x 593 mm 4 ft 1 2 m 1 4 NPT female 1 4 NPT female 4 ft 1 22 m 1 in 25 4 mm ID Hose 2 in 50 8 mm ID Hose 1 1 4 NPT 3 in 76 mm Hg 1 in 25 4 mm ID Hose 1 psi 6 9 kPa 1420 Btu min 358 kcal min 1160 Btu min 292 kcal min 185 857 12 volts 500 amps 5 10 amps 640 Ibs 290 kg 40 7 x 22 3 x 23 0 in 1033 x 566 x 585 mm 66 65 dB A 60 50HZ 695 Ibs 315 kg 40 7 x 22 3 x 23 4 in 1033 x 566 x 593 mm FUEL CONSUMPTION Half Load 0 8 gph 3 0 liter hr 1 1 gph 4 2 liter hr 1 5 gph 5 7 liter hr Half Load 0 7 gph 2 7 liter hr 0 9 gph 3 4 liter hr 1 3 gph 4 9 liter hr ENGINE Kubota 4 Stroke Cycle Indirect Inj
16. For more information about carbon monoxide see American Boat and Yacht Council ABYC publication TH 22 Educational Information About Carbon Monoxide DIESEL FUEL IS COMBUSTIBLE Do not smoke or turn electrical switches ON or OFF where fuel fumes are present or in areas sharing ventilation with fuel tanks or equip ment Keep flames sparks pilot lights arc producing equipment and all other sources of ignition well away Fuel lines must be secured free of leaks and separated or shielded from electrical wiring BATTERY GAS IS EXPLOSIVE e Wear safety glasses e Do not smoke e To reduce arcing when disconnecting or recon necting battery cables always disconnect the negative battery cable first and reconnect it last MOVING PARTS CAN CAUSE SEVERE PERSONAL INJURY OR DEATH e Do not wear loose clothing or jewelry near moving parts such as PTO shafts fans belts and pulleys e Keep hands away from moving parts e Keep guards in place over fans belts pulleys and other moving parts FLAMMABLE VAPOR CAN CAUSE A DIESEL ENGINE TO OVERSPEED Flammable vapor can cause a diesel engine to overspeed and become difficult to stop resulting in possible fire explosion severe personal injury and death Do not operate a diesel powered genset where a flammable vapor environment can be created by fuel spill leak etc The owners and operators of the genset are solely responsible for operating the genset safely POST TH
17. ur eas 6 1 Exhaust Water Separator Backflow 6 2 Systelis au canton ee Ca 6 5 7 ELECTRICAL CONNECTIONS 4 2 5 p 9 ee ara 7 1 AG COMMECUIONS met tada a aS 3 7 1 Battery Connections does RERO ke ua bus 7 2 Genset Ground Vessel Bond 7 2 Remote Control Connector 7 3 External Customer 7 3 Frequency Selection Jumpers 7 3 Optional Network Interface Module 7 4 SECTION PAGE 8 ADJUSTING AC OUTPUT VOLTAGE 8 1 Using Digital Display ce E cates ee RRA eae 8 1 Using Control Switeh er ence et uu hain rA etie 8 1 9 INSTALLATION REVIEW AND STARTUP 9 1 10 SPECIFICATIONS aa Teide Sati is 10 1 WIRINCHDIAGRANSHEEEFET pur Va Dena 1 WIRING DIAGRAM SHEET 2 A 2 WIRING DIAGRAM SHEET sealed g sls en A 3 OUTLINE DRAWING MDKBL SHEET 1 A 4 OUTLINE DRAW
18. A 12 A 7 K 2 10 84 m w 110 2 6 7 4X 1 2 13UNC 2B THD EQUALLY SPACED 2X 1 2 13UNC 2B 118 5 4 66 OUTLINE DRAWING MDKBS SHEET 3 A 13 OPTIONAL BATTERY ACCESS OPTIONAL RAW WATER IN 151 2 ee 21
19. 4 RAW WATER FLOW SENSOR RAW WATER IN FROM BULKHEAD FITTING ON EXHAUST MANIFOLD amp COOLANT RESERVOIR RIGHT OR LEFT SIDE WITH PRESSURE CAP AND COOLANT FILL NECK FILL NECK HAS HOSE BARB FOR CONNECTING COOLANT RECOVERY TANK EXHAUST WATER MIXER WITH HIGH TEMPERATURE EXHAUST SWITCH 6 BULKHEAD FITTING ON RIGHT OR LEFT SIDE EXHAUST amp RAW WATER OUT AAS D U EXHAUST WATER MIXER WHEN REQUIRED REPLACE WITH SIPHON BREAK AND CONNECTING HOSES DE 2 RAW WATER HOSE 5 A N d iS S VA 8 BLOCK DRAIN COCK COOLANT ENS dK COOLANT A RAW WATER CLEANOUT DRAIN COCK COVER BOTH ENDS RAW WATER DRAIN PLUG COOLANT FIGURE 5 1 ENGINE COOLING SYSTEM MDKBK MDKBL MDKBM MDKBN 5 3 RAW WATER PUMP FROM BULKHEAD FITTING ON RIGHT OR LEFT SIDE EXHAUST WATER MIXER WHEN REQUIRED REPLACE WITH SIPHON BREAK AND CONNECTING COOLANT RESERVOIR WITH PRESSURE CAP AND COOLANT FILL NECK FILL NECK HAS HOSE BARB FOR CONNECTING COOLANT RECOVERY TANK Ian 77 0 lo gt 5 de LOCATION OPTIONAL LOW COOLANT LEVEL SENSOR COOLANT THERMOSTAT HOUSING COOLANT TEMPERATURE SENSOR COOLANT PUMP PULLEY LOCATION BLOCK DRAIN COCK COOLANT HOSES RAW WATER FLOW SWITCH IN PUMP TO HEAT EXCHANGER HOSE ZINC ANODE EXHAUST WATER MIXER WITH HIGH TEMPERATURE EXHAUST SWITCH
20. BATTERY BULKHEAD i 850 8 182 01 B AND 5 16 18 STUDS 514 o o RAW WATER INLET f a 025 4 01 01 OD TUBE rie 35 310 5 112 221 gt gt i 2 Y 1 4 Y GENERATOR AND ENGINE 658 8 Pal E OPTIONAL FUEL OUT 1 4 NPT 0 97 25 94 al FUEL IN amp OUT if E ps 80459 a FUEL IN 1 4 NPT OIL DRAIN ACCESS 26 16 OPTIONA 602 62 IN ID HOSE 23 7 OUTLINE DRAWING MDKBS SHEET 1 A 11 OR 1 2 NPT CONNECTION RAW WATER OPTIONAL DRY EXHAUST 1 1 2 NPT EXTERNAL THREAD PTIONAL KEEL COOLING OUTLET 25 4 1 01 HOSE BARB CONNECTION 118 2 30 64 EN 552 2 21 141 Et ar OPTIONAL KEEL COOLING INLET 225 4 01 01 HOSE BARB CONNECTION AC BREAKER REMOTE HARNESS ACCESS PTIONAL DRY EXHAUST DOWN 1 1 2 EXTERNAL THREAD FIRE EXTINGUISHER CONNECTION 1 00 INCH KNOCKOUT CENTER OF OPTIONAL SIPHON BREAK AC ACCESS KNOCKOUT 118 3 30 641 EXH DOWN 690 3 EXH UP 21 18 411 3 ooLANT FILL 18 79 PTIONAL LOW COOLANT LEVEL SWITCH 119 8 LIFTING EYE 28 34 566 22 29 212 LIFTING EYE 10 71 ENTER OF GRAVITY
21. J2 3 2 85 1 ss Output Supp1y B J1 7 E J4 6 gt LOCAL STATUS_J2 4 55 SEE SHEET HZ_SEL HZ 3 Freg Select J3 3 EF gt gt CONFIG 2 SEE NOTE 4 gt SEE NOTE 7 4 CONFIG_1 5 7 Genset_Config_J2 9 F Local Start Panel 2 A12 7 052 gt GOV Q 1 58 gt gt lt gt gt gt ACT ELEC GOVERNOR J1 4 2 3 EXTERNAL 254 CUSTOMER EXTERNAL SHUTDOWN_U3 9 ee aS lt CONNECTIONS M11 NOTES co SE lt lt 38 1 CHANGES TO THIS DRAWING MUST sw_B _J1 12 E SE lt IMPLEMENTED GENSET LABEL DRAWING d b KE 2 24 VOLT SETS AS IS NEEDED ES B AND CONNECT 24v SEL TO GND FASTON Bes 5 3 IS USED FOR ISOLATED GROUND Tramsmit 4 CONNECT amp OHZ FASTON TO HZSEL AS488_J2 8 Receive RS488_J2 7 24V_SEL_ P2 11 CHASSIS_GND_J2 10 GND gt 24vset Quad 1 J3 4 Quad_ 2_J3 5 Field_ _J3 7 Field_ _J3 AC Sense J3 11 AC Sense J3 12 6 To S1 To 58 ig T2 WIRING DIAGRAM SHEET 1 A 1 FOR DISCONNECT FOR SOHZ 5 SWITCHES
22. Ja P33 J34 P4 gt 6 6 6 6 1 14 1 4 3 3 gt 3 39 2 2 gt 2 gt gt T a 7 34 4 219 gt 5 E gt 5 5 STATUS 7 7 7 0511 9 M11 ATM SERIAL e DATA SER GITA DIS See Note 6 WIRING OF LOCAL amp E CONTROL SWITCHES M J4 P43 J44 P4 gt 6 4 4 2 gt 2 gt T Jn u AG 34 4 4 5 213 35 5 5 Dm gt STATUS gt 7 7 7 0511 9 m M11 RTM SERIAL Vv N N M Or SN UO oN NOTE Y w J10 0 0 S zo 10 3 C 0 NIM J11 4213 4 5 6 ojoje 000 Pb ZZ zZ 3 WIRING DIAGRAM SHEET 3 J4 gt 6 0 gt 3 m gt 4 v gt 5 I 7 NI gt 0 SERTAL DAT NOTE 630 2694 581 22 811 459 18 07 362 7 14 281 209 8 231 LIFTING EYE ACCESS AC ACCESS KNOCKOUT SIPHON BREAK 1 25 INCH KNOCKOUTS
23. SHOWN IN NORMAL AUNNING POSITION eae RPT Se ABS 914 SERIAL DATA FOR e SERIES DIGITAL DISPLAY ESTOP lt P14 7 CONNECT CONFIG WIRES TO RECONFIGURE THE CONTROL 3 3 REPLACE INSULATING CONNECTOR WHEN DONE 1 swB lt 4 54 1 SWB LOAD 35 Jl QUAD 87 9 NOT AVAILABLE ON MDKAU Q2 NE F4 10 sel les 1 11 OPTIONAL CUSTOMER WAKE UP INPUT IF USED DISCONNECT RUN SIGNAL P10 6 INSULATE 2 B a nl CONNECT INPUT TO OPEN 10 6 LD PANES N RELAY COMMUNICATIONS ARE ACTIVE WHILE INPUT B4 See Sheet 2 For Voltage 4 4 Connection 630 2694 10 50 HZ 110 220V 115 230V 120 240V 19 HZ 120 240V 30 50 HZ Ti 110 220V 1
24. inches 300 mm long must be connected at the engine exhaust outlet to take up thermal expan sion and engine movement Long runs of exhaust pipe vertical or horizontal should include a flexible bellows type stainless steel section to take up thermal expansion Flexible exhaust sections must not be used to compensate for misaligned piping or for forming bends Horizontal runs of exhaust piping should slope downwards from the engine to a drain trap and plug RIGID SUPPORT 0 FLEXIBLE PIPE which should be located where the piping turns to rise vertically To prevent overheating that can lead to fire route exhaust piping at least 9 inches 229 mm away from combustible construction Where a 9 inch 229 mm clearance cannot be maintained the pipe may be insulated with material rated to withstand at least 1000 F 538 C The surface of the insulation must not exceed 160 F 71 C To prevent burns shield or insulate exhaust piping and mufflers where accidental contact is likely The surface of the shield or insulation must not exceed 200 F 93 C The entire exhaust system must be accessible for regular visual inspection and repair See Section 10 Specifications for maximum allow able exhaust back pressure Excessive exhaust back pressure can result in reduced power smoke high ex haust temperature and reduced engine life BOW OF VESSEL FLEXIBLE SUPPORT RIGID SUPPORT
25. kit is also available to replace the genset control switch panel with an e Series Digital Display panel Remote Control Switch and Meter Onan Remote Control Panel Kit Remote control panels with a control switch or control switch and hour meter are available as kits Follow the installa tion instructions in the kit Non Onan Remote Control Panels Refer to the wiring diagrams on Page A 3 to select and connect the remote control panel components The Start Stop switch must be momentary contact in both positions Remote Control Wiring Harnesses Onan Harnesses Eight conductor plug in wiring harnesses of various length are available for con necting e Series Digital Displays and or remote switch panels Y harnesses are also available for 7 3 applications requiring more than one remote control station Non Onan Harnesses Use 16 AWG wiring Note 1 All feed through holes in decks and bulk heads for wiring must be sealed to prevent exhaust gases and flammable vapors from entering the rest of the boat Wiring conduit must be sealed inside as well as outside Note 2 Do not route remote control wiring near AC wiring AC can induce false signals that can cause er ratic operation of the genset EXTERNAL CUSTOMER CONNECTIONS The genset control box has factory jumpered leads with quick connect terminals labeled SWB ESTOP and CO for connecting external genset shutdown devices See the wiring diagram on Page A 3 Connect E
26. mount the siphon break directly above the genset Coolant Recovery Tank The coolant recovery tank kit shipped with the gen set must be installed for proper operation of the cooling system Follow the instructions in the kit The tank must be accessible for daily inspection and refilling The genset enclosure if provided has holes for mounting the tank on the engine end For gensets not provided with an enclosure mount the tank on a bulkhead within reach of the hoses and slightly above or at the same height as the pressure cap Fill the tank in accordance with the Operator s Manual Initial Coolant Fill Running the engine without coolant can cause damage not covered by Warranty The genset is normally shipped from the factory with coolant unless prohibited by shipping regulations Fill the system if necessary in accordance with the Operator s Manual Note Keel cooled gensets are only partially filled with coolant Coolant must be added to fill the keel cooler and expansion tank RAW WATER PICKUP TEST Objective The objective is to determine the elevation of the water line relative to the genset under all anticipated uses and speeds of the boat Method When the boat is ready for its sea trials and loaded to its maximum rated capacity 5 2 1 Close the sea cock and disconnect the raw wa ter pickup hose from the genset Alternatively connect a clear plastic hose to the strainer or sea cock Raise the
27. to se vere personal injury or death Do not run battery cables and fuel lines together Separate cables and fuel lines with conduit or tubing if run through the same opening Do not tie together See the appropriate OUTLINE DRAWING p A 4 and following regarding the battery cable terminal locations Provide an insulating boot over the posi tive terminal to protect against accidental con tact GENSET GROUND VESSEL BOND The genset must be bonded to the common ground ing system of the boat in accordance with applicable regulations Connect the bonding cable to the grounding lug beside the battery cable terminals Faulty bonding of the genset to the common grounding system of the boat can re sult in severe personal injury or death REMOTE CONTROL CONNECTOR Connector J4 for remote control connections is stowed inside the control box p A 1 It mates with a Deutsch Part Number DT06 08S sealed 8 connector plug Note The connector designated J44 is for remote connections when the optional Network Interface Module NIM is mounted inside the genset control box The connector designated J34 is for remote connections when the e Series Digital Display is mounted on the genset control box See Page A 3 for connections Onan e Series Digital Displays Up to three 3 Onan e Series Digital Displays may be connected for remote control and monitoring of the genset Follow the installation instructions in the kit A
28. 0 5 95 8121 5 146 05 5 15 B INVOLUTE SPLINE 30 PRESSURE ANGLE 13 TEETH 16 32 DP OPTIONAL FUEL IN 3 OUT OPTIONAL GENSET GROUND VESSEL GROUND BARB CONNECTION PTIONAL KEEL COOLING INLET 25 4 11 01 HOSE PTIONAL KEEL COOLING OUTLET 525 4 11 01 HOSE BARB CONNECTION BATTERY POS PTIONAL SIPHON BREAK OUTLET 219 1 75 1 3 WET EXHAUST OUTLET 950 8 2 01 340 9 13 42 1 FUEL IN ENERATOR AIR INLET FUEL OUT EE NOTE 2 PTIONAL SIPHON BREAK INLET 219 1 75 view A A REMOTE HARNESS AIR INLET SEE NOTE 2 AC ACCESS KNOCKOUTS 1 0 4 1 5 INCH 493 2 19 42 OPTIONAL LOW COOLANT LEVEL SWITCH OPTIONAL DRY EXHAUST 1 25 NPT EXTERNAL mw lt gt COOLANT NOTES DIMENSIONS IN 1 ARE INCHES 2 25 4 1 0 MIN CLEARANCE REQUIRED FOR AIR INLET TO GENERATOR AN ENGINE CPU 1 4 NPT 1 4 GENERATOR AIR mu
29. 15 230v Lo 420 240v T7 T10 30 La HZ 120 240V r a T 3 2 Li HZ 110 190v 115 200V 120 208V 17 T11 127 220V T10 T5 HZ t 120 208V 127 220V 139 240V L3 L HZ 220 380v m 230 400v LO 40 416 ec 254 440V 30 HZ 240 415V 254 440V Li 77 30 Generator Heconnection WIRING DIAGRAM SHEET 2 A 2 HZ i 120 240 120 240 60 lt E O 0 220 5 230 5 230 50 120 240 120 240 4 NOTES E LO GND DICATES GROUND CON ON O SHOULD MAD A HE GROUND STUD D N ONTROL BOX SO CATES SOLATED CONNE ON SHOULD MAD T4 STANDO LO Le CONTROL BOX gt 121 LO e LO 4 Le gt a ISO GND GND z 7 O 55 06 5 Ave 14 T L1 LO zso 150 1 L2 1 2 Zea ISO OE So ANZ T T4 40 Generator Reconnection 630 2694 See Note WIRING OF LOCAL CONTROL SWITCHES
30. ACCESS i RECOVERY TANK ENTER OF GRAVITY AM ENTER OF i 1 GRAVITY 9 die 5 8 9 5 1 6 AIR OUTLET F UJ e e SEE NOTE 3 2 Do PTIONAL EXHAUST 1 WET OUTLET GENSET GROUND gt VESSEL BOND b PTIONAL GENSET GROUND 8 613 8 VESSEL BOND EXHAUST WET 5 BATTERY BULKHEAD 24 17 27 49 a I OUTLET B AND B 5 16 18 STUDS 50 8 2 01 1 9 oo WATER INLET 2 re 825 4 91 01 OD TUBE 4 gt 245 5 a 3n a 9 66 12 2 gt 5 9 9 3 i c 1 1 FUEL OUT 1 4 NPT ZINC ANODE PTIONAL 24 5 ENERATOR AND ENGINE pe DIM_A OPTIONAL ACCESS FUEL IN 4 OUT 68 lao FUEL IN 1 4 NPT 0 97 BATTERY ACCESS MEE N 2 68 OPTIONAL 2 RAW WATER IN OUTLINE DRAWING MDKBP MDKBR SHEET 1 A 8 659 8 DOWN 911
31. ALVM 3AOS8V NOILVTIVLSNI LSNVHX4 LAM 1VOIdAL 1 9 enuen S soyes9dO 99 jo 550 jo esneoeq sesu JO 7 0045 Jayem UMOP 4195 ay si 0 y 991 104 YOO 70u 40 6 900 100 494 2 1 15821 ye edojs 1snu edid pue 1sneuxe L SOJON 3AOSV NN 291 NI 9 NVHL SHOW LON NNNININ WW 289 NI 81 N t7 L NI ys ww sog NI 21 QIN3INIWOO3H WW 291 NI 9 NVHL 5641 4 NOHdIS 4 LASNAD 1 5 _ 31ViHdOHddV 338 S WALSAS LSAVHXA LNIOd 15 2 9 NI NMOHS SV 31V9 3 HO 58 YALVM V TIVLSNI 6 3
32. ESE SAFETY PRECAUTIONS IN POTENTIAL HAZARD AREAS OF THE BOAT 1 Introduction ABOUT THIS MANUAL This manual is a guide for the installation of the gen erator sets gensets listed on the front cover Prop er installation is essential for top performance Read through this manual before starting the installation This manual addresses the following aspects of the installation e Location and mounting e Engine exhaust discharge and silencing e Engine cooling e Genset room ventilation e Fuel connections e Electrical connections e Batteries e Bonding for grounding e Accessibility for operation and maintenance e Noise and vibration This genset is not a life support sys tem It can stop without warning Children per sons with physical or mental limitations and pets could suffer personal injury or death A per sonal attendant redundant power or an alarm system must be used if genset operation is criti cal See the genset Operator s Manual for operation and maintenance and the Service Manual for ser vice Note Manuals are updated from time to time to re flect changes in the equipment and its specifica tions For this reason only the copy of the installa tion manual supplied with the genset should be used as a guide for the installation STANDARDS FOR SAFETY You must find out which standards for safety are ap plicable Compliance with United States Coast 1 1 Guard USCG regulations is mandatory f
33. ING MDKBL SHEET 2 A 5 OUTLINE DRAWING MDKBM MDKBN SHEET 1 A 6 OUTLINE DRAWING MDKBM MDKBN SHEET 2 A 7 OUTLINE DRAWING MDKBP MDKBR SHEET 1 A 8 OUTLINE DRAWING MDKBP MDKBR SHEET 2 A 9 OUTLINE DRAWING MDKBP MDKBR SHEET 3 A 10 OUTLINE DRAWING MDKBS SHEET 1 A 11 OUTLINE DRAWING MDKBS SHEET 2 A 12 OUTLINE DRAWING MDKBS SHEET 3 A 13 OUTLINE DRAWING MDKBK SHEET 1 A 14 SAFETY PRECAUTIONS Thoroughly read the OPERATOR S MANUAL before operating the genset Safe operation and top performance can only be obtained when equipment is operated and maintained proper ly The following symbols in this manual alert you to potential hazards to the operator service person and equipment alerts you to an immediate hazard that will result in severe personal injury or death alerts you to a hazard or unsafe practice that can result in severe personal inju ry or death alerts you to a hazard or unsafe practice that can result in personal injury or equipment damage Electricity fuel exhaust moving parts and batter ies present hazards which can result in severe pe
34. ION z z u 1 E N e I e d 1 e A o 1 496 4 15 19 54 16 3 DRY EXHAUST 11 11 319 1 1 or o 14 93 SIPHON POINT o NE 4 2 T 1 i L OPTIONAL SIPHON Break VIEW INLET 014 PHON BREAK 449 LIFTING EYE OUTLET d 19 1 1 751 vl ds 17 71 FIRE EXTINGUISHER CONNECTION IL DRAIN HOSE 1 00 INCH KNOCKOUT 3 8 18 NPT AC BREAKER REMOTE HARNESS ACCESS DIPSTICK CENTER OF GRAVITY 283 LIFTING EYE ke pt 8 x lt lt le 9 GENSET GROUND A VESSEL BOND b f a 5 BATTERY BULKHEAD RI Kx o EXHAUST B AND B 5 16 18 STUDS OS OUTLET N 850 8 82 RAW WATER INLET 25 4 1 0 OD TUBE M 211 8 5 IST B 5 Y NS 7 zu a 1 FUEL FILTER OOLANT DRAIN A FUEL OUT 1 4 NPT a VALVE GENERATOR AIR INLET 2 2 FUEL IN 1 4 NPT SEE NOTE 3 460 2 44 18 11 911 3 35 88 OUTLINE DRAWING MDKBL SHEET 2 A 5 ENTER OF GRAVITY HEAT EXCHANGER CLEANOUT BOTH ENDS ZINC ANODE RAW WATER DRAIN 1 8 NPT LIFTING EYE ACCESS SIPHON BREAK 1 25 INCH KNOCKOUTS 581 22 87 ACCESS 459 KNOCKOUT 18 07
35. Installation Manual MDKBK MDKBL MDKBM MDKBN MDKBP MDKBR MDKBS Printed in U S A 01 05 981 0642 California Proposition 65 Warning Diesel engine exhaust and some of its constituents are known to the State of California to cause cancer birth defects and other reproductive harm Table of Contents SECTION PAGE SAFETY PRECAUTIONS oeer cca adiu ee wee iii INTRODUCTION a LIE 1 1 About this Ma a l s utes E 1 1 Standards for Safety ern ar wr eu uro eus ue Vi D eve ie 1 1 Outline 5 Augen 1 1 2 LOCATION AND MOUNTING cri eR eaten oe d 2 1 Wu 1179 M E M 2 1 eee end LL 2 1 Se VENTMEATION sonia rasen era 3 1 cet tum MIR ME 3 1 Carbon Monoxide nega dud 3 1 4 PUBS CONNER TIONS Z luu ators aea 4 1 ENGINE COOLING bee estoy RR E EX 5 1 System Components isn oie laws oe 5 1 Raw Water Pickup Test Aula oe ee 5 2 ocio Se inicio Tono RETE OR Ro 5 2 6 ENGINE EXHAUST aoe 6 1 Wet Exhaust Systems zu 0 3 42 20402000 a
36. PT 0 96 21 22 RAN WATER N Y 11 3 1033 4 510 40 69 22 44 OUTLINE DRAWING MDKBM MDKBN SHEET 1 A 6 OPTIONAL KEEL COOLING 598 5 INLET 225 4 11 01 HOSE PTIONAL DRY EXHAUST OPTIONAL LOW COOLANT 23 56 BARB CONNECTION ELBOW 31 8 1 251 NPT LEVEL SWITCH 38 EXTERNAL THREAD 15 AC ACCESS COOL i WET EXHAUST ELBOW KNOCKOUT OOLANT FILL ARB CONNECTION Sees X 0 Can i 2 o e 1 415 496 4 b 16 3 19 54
37. R OUTLET SEE NOTE 3 PTIONAL EXHAUST WET OUTLET OPTIONAL o 9 BATTERY ACCESS ZINC ANODE ogo 55 OOLANT DRAIN ee GENSET GROUND FUEL ln ACCESS VESSEL BOND 290 11 421 510 22 44 OUTLINE DRAWING MDKBL SHEET 1 A 4 PTIONAL KEEL COOLING OPTIONAL LOW COOLANT I 513 5 PTIONAL DRY EXHAUST LEVEL SWITCH 20 221 ELBOW 31 8 1 25 NPT 99 EXTERNAL THREAD AC ACCESS 15 7 PTIONAL KEEL COOLING KNOCKOUT OUTLET 25 4 11 01 HOSE WET EXHAUST ELBOW OOLANT FILL BARB CONNECT
38. STOP to an emergency shut down system such as for fire suppression and CO to a CO detector Leave the factory jumper connected if an external connection is not made otherwise the genset cannot run The e Series Digital Display will display Code No 5 SHUTDOWN DUE TO VESSEL CO or Code No 61 EXTERNAL SHUTDOWN if shut down occurs See Troubleshooting Operator s Manual Models with Option H647 p A 3 have a relay and connector J14 P14 for connection to the external customer circuits Leave connector P14 connected if an external connection is not made otherwise the genset cannot run FREQUENCY SELECTION JUMPERS The genset control box has jumper leads marked HZ SEL and 60 HZ Connect the two leads for 60 HZ or disconnect for 50 HZ OPTIONAL NETWORK INTERFACE MODULE NIM The optional NIM board is mounted on the wall in side the control box See Page A 3 for connections It has an open 12 Pin connector socket for external network connections that mates with a Deutsch Part Number DT06 12S sealed 12 pin connector plug Note 1 For SAE 1939 applications see your Onan dis tributor for more information Onan Publication D 3315 Supported Messages on SAE J1939 must be used in designing the interface for monitoring gen set status and diagnostics Note 2 For SmartCraft applications see your Cum mins MerCruiser Distributor for more information The NIM board has five jumpers to configure the board for the specific
39. application Figure 7 2 1 Jumper W1 has no function at this time 2 Jumper W2 will be cut when the genset is or dered for an SAE J1939 network application The jumper must remain uncut when the gen set is ordered for a SmartCraft network applica tion 3 For 41939 applications jumpers are used to assign the network addresses of the gensets in a multiple genset installation To as sign an address cut the jumpers as scheduled in Table 7 2 For SmartCraft applications see your Cummins MerCruiser Distributor TABLE 7 2 J1939 ADDRESSES JUMPER W3 JUMPER W4 ADDRESS 4 Cut Jumper W5 if the bus termination resistor on this NIM board is not required to terminate the network bus SmartCraft is a trademark of the Brunswick Corporation 7 4 113 117 Wi O FIGURE 7 2 NETWORK INTERFACE MODULE CONFIGURATION JUMPERS 8 Adjusting AC Output Voltage USING DIGITAL DISPLAY Note The GEN STATUS screen will not display AC Voltage while the genset is in voltage adjust mode The line for displaying the voltage is filled in as shown in Figure 8 1 A separate voltmeter is required for voltage adjustment 1 Start the genset and let voltage and frequency stabilize for 5 to 10 seconds Make sure all loads have been disconnected Rapidly press START 6 times during the fir
40. cal and mechanical equipment 2 Location and Mounting The genset has a single lifting eye which is accessi ble through an access cover if the genset has an en closure Refer to the applicable OUTLINE DRAW ING p A 4 and following for the weight of the gen set and make provisions accordingly for safe han dling LOCATION See the other sections titled Ventilation Fuel Sup ply Engine Cooling and Engine Exhaust for addi tional considerations that bear on location The genset is not ignition protected and therefore not permitted under USCG regulation 33CFR183 to be located in a gasoline fuel environment If the boat has gasoline fueled propulsion engines the genset will have to be located where it can be isolated from the gasoline fuel system by approved methods The genset can ignite gasoline fumes causing severe personal injury or death Approved methods must be used to isolate the genset from a gasoline fuel environment Because of noise vibration and fumes the genera tor compartment should be located as far from living quarters as practical Locate the genset where there will be enough room to perform periodic maintenance and service Non service sides should have at least 2 inches 50 mm of clearance The front should have at least 4 inches 100 mm of clearance for air flow in and the right 2 1 side at least 2 inches 50 mm for air flow out See the applicable OUTLINE DRAWING p A 4 and fol lowi
41. connections as required in the AC box Figure 7 1 in accordance with the appropriate reconnection diagram p A 2 See the appropriate OUTLINE DRAWING p A 4 and following regarding wiring knockout sizes and locations The circuit breakers may need to be replaced to ob tain required protection or full genset power if recon nections are made Voltage may also need to be re adjusted See Section 8 Adjusting AC Output Volt age 7 1 TURN COVER SO THAT THIS GAP IS ON OTHER SIDE EXCEPT FOR 3 PHASE CLEAR PROTECTIVE COVER INSULATED STANDOFF TERMINALS AC GROUNDING CONTROL WIRING CONTROL BOX FIGURE 7 1 TYPICAL AC CONTROL BOX Grounding The genset power supply wiring and all connected electrical equipment must be bonded to the com mon grounding system of the boat in accordance with applicable regulations Faulty grounding of electrical equipment can lead to fire or electric shock re sulting in severe personal injury or death Transfer Switch Use an approved transfer switch if provision is made for connecting the boat to shore power Backfeed to shore power can cause electric shock resulting in severe personal inju ry or death and damage to equipment Use an approved device to prevent the genset from be ing interconnected with shore power Load Balancing The electrical loads on the generator should be bal anced as closely as possible between the AC output legs so that maximum
42. d shutdown devices have been connected and have been tested to determine that the genset shuts down as intended The genset is properly sized for the application the voltage and frequency are correct and the loads across a multi phase generator are bal anced Exhaust back pressure is acceptable The exhaust system is leak free and conveys all engine exhaust outside away from win dows doors and vents L The fuel supply system is leak free The engine coolant and raw water systems leak free 0 The engine has the proper levels of oil and cool ant The raw water pump has been primed and the sea cock is open All operators have been thoroughly briefed on the Operator s Manual and its safety precau tions especially concerning the dangers of Carbon Monoxide and can demonstrate how to operate maintain and troubleshoot the gen set as explained therein 10 Specifications ALTERNATOR Single Bearing Brushless 4 Pole Rotating Field with Digital Electronic Regulation See Genset Nameplate for Rating FUEL CONSUMPTION 60 Hz 0 8 gph 3 0 liter hr 0 8 gph 3 0 liter hr 1 0 gph 3 8 liter hr 1 2 gph 4 5 liter hr 0 5 gph 1 9 liter hr 0 5 gph 1 9 liter hr 0 6 gph 2 3 liter hr 0 7 gph 2 7 liter hr 0 7 gph 2 7 liter hr 0 7 gph 2 7 liter hr 0 8 gph 3 0 liter hr 0 9 gph 3 4 liter hr 0 4 gph 1 5 liter hr 0 4 gph 1 5 liter hr 0 5 gph 1 9 liter hr 0 5 gph 1 9 liter hr ENGINE Kubo
43. d that ventila tion is sufficient to maintain acceptable genset compartment temperatures even while heat soaking after returning and docking O The living quarters are sealed against leaks from spaces where exhaust and fuel vapors can accumulate L The genset is securely mounted L There is adequate clearance for conducting all maintenance specified in the Operator s Manu al The coolant recovery tank is mounted properly and is accessible for inspection and filling The entire exhaust system is accessible for in spection and replacement Fuel tanks piping hoses and filters comply with regulations and are accessible for inspec tion and replacement The genset is bonded to the boat grounding system in accordance with regulations 9 1 All grounded cranking motor circuits are con nected by properly sized common bonding conductors L If required the kit for isolated DC ground was installed An approved transfer switch prevents intercon nections between shore power and genset AC wiring methods materials and bonding for grounding meet regulations 0 A properly sized battery has been installed ser viced and charged The battery is securely mounted in an adequately ventilated space and the positive terminal is shielded from acci dental contact Remote e Series Digital Displays and control switches function as intended Emergency and or CO detection an
44. ection Water Cooled Diesel with Digital Electronic Governing e Number of Cyinders 3 15 in 80 mm 3 43 in 87 mm 3 43 in 87 mm 3 64 in 92 4 mm 3 64 in 92 4 mm 3 64 in 92 4 mm Compression Ratio 23 1 23 1 23 1 Firing Order Clockwise Rotation 1 3 4 2 1 3 4 2 1 3 5 4 2 Fuel Injection Timing 15 5 17 5 15 5 17 5 15 5 17 5 0 0071 0 0087 in 0 0071 0 0087 in 0 0071 0 0087 in 0 18 0 22 mm 0 18 0 22 mm 0 18 0 22 mm Lube Oil Capacity 8 quart 7 6 liter 8 quart 7 6 liter 12 7 quart 12 liter Lube Oil Drain Connection 3 8 NPT 3 8 NPT 3 8 NPT Coolant Capacity 8 quart 7 6 liter 8 quart 7 6 liter 8 quart 7 6 liter Coolant Flow Rate 60 Hz 14 0 gpm 53 0 liter min 14 0 gpm 53 0 liter min 14 0 gpm 53 0 liter min 50 Hz 10 0 gpm 37 9 liter min 10 0 gpm 37 9 liter min 10 0 gpm 37 9 liter min Raw Water Flow Rate 60 Hz 9 0 gpm 34 1 liter min 9 0 gpm 34 1 liter min 9 0 gpm 34 1 liter min 50 Hz 7 0 gpm 26 5 liter min 7 0 gpm 26 5 liter min 7 0 gpm 26 5 liter min Combustion Air Flow 60 Hz 52 cfm 1 45 m3 min 60 cfm 1 72 m3 min 75 cfm 2 12 m3 min 50 Hz 42 cfm 1 21 m3 min 50 cfm 1 43 m3 min 63 cfm 1 78 m3 min Heat Rejection to Ambient 60 Hz 350 Btu min 88 kcal min 420 Btu min 106 kcal min 530 Btu min 134 kcal min 50 Hz 285 Btu min 72 kcal min 350 Btu min 88 kcal min 450 Btu min 114 kcal min Valve Lash cold
45. end of the hose above expected wa ter level and open the sea cock The water line is at the level visible in a clear plastic hose or where water just begins to spill as the end of the hose is lowered While the boat is still docked mark the level on the genset enclosure Operate the boat through its speed range for ward and reverse While the boat is operating have someone monitor the water level in the hose and mark the highest level on the genset Requirement A siphon break must be installed if the engine ex haust water mixer Figure 6 2 is not at least 6 inch es 152 mm above both water lines docked and moving Note If the water line when the boat is moving is much higher than when the boat is docked the differ ence could be due to the through hull fitting or its location If the through hull fitting is of the forward facing scoop type designed to create ram pressure replace it with a flush type fitting Another possibility might be to move the fitting to a location where the dynamic hull pressure is less KEEL COOLING When sizing the keel cooler refer to Section 10 Specifications for data regarding fitting sizes en gine coolant capacity thermostat opening tempera ture coolant flow rate heat rejection to coolant and maximum coolant friction head OPTIONAL LOW COOLANT LEVEL SENSOR LOCATION COOLANT THERMOSTAT COOLANT PUMP RAW WATER PUMP 7 27 gt LX Copy gt
46. he highest level of fuel in the tank An approved method is required to prevent flow when the engine is not running if the highest level of fuel in the supply tank is above the fuel injectors Fuel Lift The fuel lift pump on the genset has a fuel lift capa bility suction of 4 feet 1 2 meters Note that the pump must overcome the resistance to fuel flow in hoses tubing fittings valves and filters as well as the actual lift in elevation 5 Engine Cooling The engine is cooled by a pressurized closed loop liquid cooling system in which coolant is pumped through passages in the engine block head and ex haust manifold Figure 5 1 or 5 2 Heat is carried away from the coolant by a keel cooler or raw water sea water heat exchanger A gear driven raw wa ter pump is provided if the genset has a heat ex changer or wet exhaust See the appropriate OUT LINE DRAWING p A 4 and following for connec tion points and fitting sizes SYSTEM COMPONENTS Raw Water Pump The raw water pump can deliver the required flow of cooling water against a maximum lift Suction of 4 feet 1 22 meters Lift is a combination of the ac tual vertical lift and the resistance to flow caused by the hoses strainer sea cock and through hull fit ting Raw Water Hose Use SAE 20 4 or equivalent hose that is able to sist a slight vacuum without collapsing The fitting on the raw water pump inlet is sized for 1 inch 25 4 mm internal diame
47. in 30 cfm 0 85 m3 min 230 Btu min 58 kcal min 190 Btu min 48 kcal min 1 2 4 3 15 5 17 52 0 0071 0 0087 in 0 18 0 22 mm 4 5 quart 4 3 liter 3 8 NPT 5 3 quart 5 0 liter 5 0 gpm 18 9liter min 4 2 gpm 15 9 liter min 6 0 gpm 22 7 liter min 5 0 gpm 18 9 liter min 41 cfm 1 16 m3 min 34 cfm 0 96 m3 min 280 Btu min 71 kcal min 210 Btu min 53 kcal min Max Fuel Pump Lift Fuel Supply Fuel Return Max Raw Water Pump Lift Raw Water Inlet Wet Exhaust Outlet Dry Exhaust Outlet Max Exhaust Back Pressure KEEL COOLING Coolant Inlet amp Outlet Max Coolant Friction Head Heat Rejection to Coolant 60 Hz 50 Hz Thermostat Opening Temperature BATTERIES Nominal Battery Voltage Min CCA Rating SAE 32 F 0 C Battery Charging 12 24 VDC SIZE WEIGHT NOISE Without Enclosure Dry Weight Dimensions L x W x H With Enclosure Noise Dry Weight Dimensions L x W x H 24 volts optional 1 4 NPT female 1 4 NPT female 1 4 NPT female 4 1 4 NPT female 4 1 4 NPT female 1 4 NPT female 1 in 25 4 mm ID Hose 1 in 25 4 mm ID Hose 1 in 25 4 mm ID Hose 2 in 50 8 mm ID Hose 2 in 50 8 mm ID Hose 1 1 1 1 4 1 1 4 1 1 4 4 4 ft 1 22 m ft 1 22 4 ft 1 22 m 3 in 76 mm Hg 1 in 25 4 mm ID Hose 950 Btu min 239 kcal min 780 Btu min 197 kcal min 185 F 85
48. multi class ABC fire extinguishers handy Class A fires involve ordinary combus tible materials such as wood and cloth Class fires combustible and flammable liquid fuels and gaseous fuels Class C fires live electrical equipment ref NFPA No 10 Genset installation and operation must comply with all applicable local state and federal codes and regulations GENERATOR VOLTAGE IS DEADLY Generator electrical output connections must be made by a trained and experienced electri cian in accordance with applicable codes The genset must not be connected to shore power or to any other source of electrical pow er Back feed to shore power can cause elec tric shock resulting in severe personal injury or death and damage to equipment An approved switching device must be used to prevent inter connections Use caution when working on live electrical equipment Remove jewelry make sure cloth ing and shoes are dry stand on a dry wooden platform or rubber insulating mat and use tools with insulated handles ENGINE EXHAUST IS DEADLY Never sleep in the boat while the genset is run ning unless the boat is equipped with properly working carbon monoxide detectors The exhaust system must be installed in accor dance with the genset Installation Manual and be free of leaks Make sure the bilge is adequately ventilated with a power exhauster Inspect for exhaust leaks every startup and af ter every eight hours of operation
49. ng Make sure there is access for e Starting and stopping the genset e Resetting the line circuit breakers when pro vided e Checking filling and draining engine oil e Changing the engine oil filter e Changing the fuel filter e Checking filling and draining engine coolant e Making fuel connections e Making battery and ground connections e Replacing coolant and exhaust hoses e Replacing the raw water pump impeller when provided e Replacing the V belt MOUNTING The genset has integral vibration isolators The sup porting structure underneath should be level and able to support the weight of the genset Floor or frame stiffness should be greatest under the vibra tion isolators Secure the genset with four bolts See the applicable OUTLINE DRAWING A 4 and fol lowing for the locations of the mounting bolt holes 3 Ventilation EXHAUST GAS IS DEADLY FUEL VAPORS ARE EXPLOSIVE Failure to provide proper ventilation can result in asphyxiation fire and explosion The ventilation system must meet applicable standards and regulations in cluding USCG NFPA and ABYC p 1 1 VENTILATION Ventilation is required to prevent dangerous con centrations of fuel vapors and exhaust fumes hold down compartment temperatures and provide com bustion air The highest compartment temperatures can occur just after the boat has been docked and the engines have been shut down To promote natural convective flow good ai
50. o be bonded to the common negative grounding system of the boat conductive fuel lines connected directly to the genset will carry cranking currents Fire can result when fuel lines carry cranking current Use non conductive fuel hoses for connections at the genset to prevent the fuel lines from becoming paths for cranking current 4 1 Fuel Line Sizing An inside diameter of 5 16 inch 8 mm is recom mended for fuel lines and hoses An inside diameter of 1 4 inch 7 mm should be considered in applica tions where fuel lines are short and lift minimal See Fuel Lift in this section Larger diameter fuel lines are harder to prime and keep primed and are thus more likely to cause disruption of genset service Run fuel lines as directly as possible avoiding dips and crests that trap air and cause hard priming Fuel Pickup Tube A separate fuel pickup tube and supply line is rec ommended for each genset Shared pickup tubes and distribution manifolds can lead to fuel starvation and difficult priming See Fuel Line Sizing in this section for recom mended sizing In a common fuel supply tank the genset pickup tubes should be shorter than the propulsion engine pickup tubes to prevent the gensets from being able to empty the fuel tanks Make sure the fuel tanks are large enough to cool the returning fuel Fuel Shutoff Valves A fuel shutoff valve is required at the fuel tank if the end of the fuel line is located below t
51. ockside and other conditions can cause exposure to harmful concentrations of carbon monoxide even when proper ventilation is provided and living quarters are sealed off from en gine rooms 4 Fuel Connections Improper storage and handling of Diesel Fuel can lead to fire Fuel tank construc tion location installation bonding for ground ing ventilation piping inspection and leak test ing must be in accordance with applicable stan dards and regulations including USCG NFPA and ABYC p 1 1 Do not use galvanized fuel tanks or piping The trace of sulfur in diesel fuel attacks galvanized zinc coatings causing debris that can clog fuel filters pumps and injectors Fuel See the Operator s Manual for recommended fuel Fuel Filters The genset is equipped with a water separator fuel filter It is recommended that a 10 to 30 micron water separator fuel filter be installed in the fuel supply system to protect the fuel lift pump Fuel Fittings Two 1 4 18 NPTF fittings are provided for fuel sup ply and return connections See the appropriate OUTLINE DRAWING p A 4 and following Fuel hose adapter fittings are available from Onan Fuel Hoses Use USCG 1 or ISO 7840 A1 fuel hoses See Fuel Line Sizing in this section for recom mended sizing The fuel hoses connected at the genset must be non conductive so that the fuel lines do not become paths for cranking current Because the fuel tanks are required t
52. oltage will increase approxi mately 0 6 volts each press and release To adjust voltage down press and hold START for about 2 second Voltage will de crease approximately 0 6 volts each press and release When satisfied with the adjustment wait about 20 seconds for the amber lamp to stop blinking and then press STOP to stop the genset and save the adjustment Restart the genset and check voltage 9 Installation Review and Startup Before starting the genset review the installation checklist below for those items that do not require the genset to be actually running Make necessary reconnections modifications and repairs Then start and operate the genset in accordance with the Operator s Manual observing all of its instructions and precautions Continue working through the installation checklist with the genset running mak ing necessary reconnections modifications and re pairs Check off V each item that can be answered positively Do not place the genset in service until each item has been checked off The RAW WATER PICKUP TEST was con ducted during the sea trials to establish the wa ter line and a siphon break was installed if found necessary The sea trials established that there is no back flow through the exhaust through hull fitting or water separator drain hose when the boat is un der way forward or reverse Genset compartment ventilation meets regula tions and the sea trials establishe
53. or boats in U S waters The American Boat and Yacht Council ABYC and the National Fire Protection Associa tion NFPA are typical of agencies that publish safety standards for the construction and installa tion of marine equipment It is suggested that you obtain the following standards e USCG regulations are under Titles 33 and 46 of the Code of Federal Regulations CFR U S Government Printing Office Washington D C 20404 e 302 Pleasure and Commercial tor Craft National Fire Protection Association Batterymarch Park Quincy MA 02269 e Standards and Recommended Practices For Small Craft American Boat and Yacht Council Inc 3069 Solomons Island Road Edgewater MD 21037 Particular attention should be paid to ABYC P 1 Installation of Exhaust Systems for Propulsion and Auxiliary Machinery ABYC E 11 AC and DC Elec trical Systems on Boats and ABYC A 27 Alternat ing Current AC Generator Sets OUTLINE DRAWINGS See the applicable OUTLINE DRAWING p A 4 and following for installation details mounting bolt hole locations connection points fuel battery raw water exhaust remote control and AC output sizes and types of fittings overall dimensions etc See your Onan dealer for large scale copies of the applicable drawings Improper installation can result in severe personal injury death and equipment damage The installer must be qualified to per form installation of electri
54. power can be utilized from the genset Redistribute the loads as necessary BATTERY CONNECTIONS Depending on model the genset requires nega tive ground 12 VDC or 24 VDC for its control and cranking systems Some models are equipped for applications requiring an isolated ground Batteries See Section 10 Specifications for recommended battery capacity Battery Recharging See Section 10 Specifications for the battery charg ing capacity of the engine driven battery charging alternator Battery Location and Mounting Locate the battery where spills and leaks will not drip acid on fuel lines wiring or other equipment and where ventilation is adequate to prevent the accu 7 2 mulation of explosive gases Secure the battery so that it cannot shift and provide a boot over the posi tive terminal to protect against accidental con tact Arcing can ignite the explosive hy drogen gas given off by the battery causing se vere personal injury The battery compartment must be ventilated and isolated from spark pro ducing equipment Battery Cables Size battery cables according to Table 7 1 Total cable length is the sum of the lengths of the positive and negative cables In other words total cable length will be approximately twice the dis tance between the battery and the genset TABLE 7 1 BATTERY CABLE SIZES TOTAL CABLE LENGTH CABLE SIZE FEET AWG Sparks can ignite fuel leading
55. r sonal injury or death GENERAL PRECAUTIONS e Keep children away from the genset e Do not use evaporative starting fluids They are highly explosive e Do not step on the genset when entering or leaving the generator room Parts can bend or break leading to electrical shorts or to fuel coolant or exhaust leaks e To prevent accidental or remote starting while working on the genset disconnect the nega tive battery cable at the battery e Let the engine cool down before removing the coolant pressure cap or opening the coolant drain Hot coolant under pressure can spray and cause severe burns e Keep the genset drip pan and compartment clean Oily rags can catch fire Gear stowed in the compartment can restrict cooling Make sure all fasteners are secure and proper ly torqued Do not work on the genset when mentally or physically fatigued or after having consumed alcohol or drugs You must be trained and experienced to make adjustments while the genset is running hot moving or electrically live parts can cause se vere personal injury or death Used engine oil has been identified by some 5 state and federal agencies as causing cancer or reproductive toxicity Do not ingest inhale or contact used oil or its vapors Ethylene glycol used as engine antifreeze is toxic to humans and animals Clean up spills and dispose of used engine coolant in accor dance with local environmental regulations Keep
56. r ex change and fresh air for combustion and generator cooling ventilating air should enter near the bottom of the compartment at the front near the air inlet and exit near the top at the right side The free air area of the inlet air cowl should be at least twice that of the duct Use 40 in 258 cm as the basis for calcula tions for inlet and outlet air duct sizes and free air areas of screens and louvers Do not use flush air inlets or louvered transom outlets which are easily blocked 3 1 Operating a genset in ambient temperatures above 104 F 40 C will result in noticeable loss of power Operating a genset in ambient temperatures higher than 122 F 50 C will reduce the life of electrical components generator windings rubber and other construction materials When calculating air flow required for combustion and ventilation refer to Section 10 Specifications for data regarding air flow and heat radiated to the room CARBON MONOXIDE All openings and feed through holes for wiring con duit pipe and hose must be sealed to prevent ex haust gases from entering the rest of the boat Wir ing conduit must be sealed inside as well as outside Cabin plumbing drains must have approved traps to prevent the entrance of exhaust gases from outside Carbon monoxide CO detectors listed for marine applications should be installed in the living quar ters of the boat Wind shifts boat motion exhaust from other boats at d
57. ring the sea trials to determine that there is no backflow that could flood the engine Exhaust Through Hull Fitting The exhaust through hull fitting must be above the load water line under all anticipated uses and speeds of the boat To reduce wave wash in when a water separator is used Figure 6 1 the top of the water separator must be at least 18 inches 450 mm above the load water line When an elbow is used at the top of the muffler outlet hose the el bow must be at least 12 inches 305 mm above the through hull fitting Figure 6 2 Backflow can cause major engine damage if the cylinders become flooded The sea trials must verify that there is no backflow through either the exhaust hull fitting or the wa ter separator drain hose fitting Siphon Break See Page 5 1 6 2 EXHAUST WATER SEPARATOR BACKFLOW TEST Objective To determine that there is no backflow through the exhaust water separator under any operating condi tion Figure 6 1 Method Conduct this test during the sea trials in conjunction with the RAW WATER PICKUP TEST Prepare by closing the drain hose sea cock and disconnecting the hose from the water separator Conduct the test by opening the sea cock while keeping the hose raised to its fitting on the water separator Requirement There must not be any back flow while operating the boat throughout its speed range If there is relocate the through hull fitting HO1VHVd3S YALVM HLIM SANITH
58. s been approved for wet exhaust systems Approved hose and stainless steel elbows are available from Onan Horizontal runs of hose must slope down at least 1 2 inch per foot 6 1 42 mm meter and be supported such that there are no sags The entire run of hose must be accessible for regular visual inspections and replacement Hose Clamps Use two stainless steel hose clamps at least 1 2 inch 12 7 mm wide to clamp each end of each hose Muffler Install an approved muffler as close a practical to the engine For optimum silencing the length of hose between the engine and muffler should not ex ceed 6 feet 2 meter The muffler inlet should be a minimum of 1 foot 305 mm below the exhaust wa ter mixer and the outlet should be vertical The base of the muffler should not be more than 54 inches 1 4 meter below the water separator Figure 6 1 or 48 inches 1 2 meter below the crest in the piping Figure 6 2 Mount the muffler such that air can circulate under neath to prevent condensation and mold Exhaust Water Separator When an exhaust water separator is used Fig ure 6 1 the muffler outlet and water separator inlet diameters must be the same size The water sepa rator should be installed directly above the muffler to maintain a vertical lift The through hull fitting for the drain hose should be below the load water line and must have a sea cock An EXHAUST WATER SEP ARATOR BACKFLOW TEST must be conducted du
59. st minute after startup to put the genset controller into voltage adjust mode The green status lamp will blink rapidly and the Display will indi cate a Status change from Running to Volt Adj Figure 8 1 To adjust voltage up press and quickly re lease START Voltage will increase approxi mately 0 6 volts each press and release To adjust voltage down press and hold START for about 1 second Voltage will de crease approximately 0 6 volts each press and release When satisfied with the adjustment wait about 20 seconds for the Display to indicate a Status change from Volt to Running and then press STOP to stop the genset and save the adjustment Restart the genset and check voltage Recalibrate AC Voltage on the Digital Display as instructed in the Operator s Manual GEN STATUS status volt Adj AC Volts V 60Hz Pq1 AC Freq x SETUP FAULT SCREEN FIGURE 8 1 VOLTAGE ADJUSTMENT SCREEN 8 1 USING CONTROL SWITCH Start the genset and let voltage and frequency stabilize for 5 to 10 seconds Make sure all loads have been disconnected Rapidly press START 6 times during the first minute after startup to put the genset controller into voltage adjust mode The amber status lamp will begin blinking about once every sec ond to indicate the change to voltage adjust mode The green status lamp will remain on To adjust voltage up press and quickly re lease START V
60. ta 4 Stroke Cycle Indirect Injection Water Cooled Diesel with Digital Electronic Governing 3 3 4 4 Number of Cylinders Full Load Half Load Full Load Half Load 50 Hz Beer gt ee 0 5 Compression Ratio Firing Order Clockwise Rotation Fuel Injection Timing Valve Lash cold Lube Oil Capacity Lube Oil Drain Connection Coolant Capacity Coolant Flow Rate 60 Hz 50 Hz 60 Hz 50 Hz 60 Hz 50 Hz Heat Rejection to Ambient 60 Hz 50 Hz Raw Water Flow Rate Combustion Air Flow CONNECTIONS 15 5 17 5 BTDC 0 0071 0 0087 in 0 18 0 22 mm 4 2 quart 4 0 liter 3 8 NPT 4 2 quart 4 0 liter 5 0 gpm 18 9 liter min 4 2 gpm 15 9 liter min 6 0 gpm 22 7 liter min 5 0 gpm 18 9 liter min 30 cfm 0 85 m3 min 25 cfm 0 71 m3 min 200 Btu min 50 kcal min 179 Btu min 45 kcal min 1 2 3 15 5 17 5 BTDC 0 0071 0 0087 in 0 18 0 22 mm 4 2 quart 4 0 liter 3 8 NPT 4 2 quart 4 0 liter 5 0 gpm 18 9 liter min 4 2 gpm 15 9 liter min 6 0 gpm 22 7 liter min 5 0 gpm 18 9 liter min 30 cfm 0 85 m3 min 25 cfm 0 71 m3 min 200 Btu min 50 kcal min 179 Btu min 45 kcal min 1 2 4 3 15 5 17 52 0 0071 0 0087 in 0 18 0 22 mm 4 5 quart 4 3 liter 3 8 NPT 5 3 quart 5 0 liter 5 0 gpm 18 9 liter min 4 2 gpm 15 9 liter min 6 0 gpm 22 7 liter min 5 0 gpm 18 9 liter min 36 cfm 1 02 m3 m
61. ter hose This size should be used for all hoses and pipes in the raw water pick up line Raw Water Strainer The raw water strainer should be located below and as close to the raw water pump as practical The basket must be removeable for cleaning Fill the sea water strainer for faster priming at startup if it is above the water line 5 1 Sea Cock Install a bronze full flow sea cock on the through hull fitting Through Hull Fitting and Strainer The through hull fitting should be as close to the genset as possible If the strainer has slotted open ings the slots must be parallel to the keel for best flow when the boat is under way Through hull fit tings should be staggered along the keel so that downstream fittings are not starved Do not use a scoop type through hull fitting A forward facing scoop can develop enough ram pressure to flood the engine A rear facing scoop can develop enough suction to impede flow Siphon Break Engine damage due to flooding as a result of failing to install a required siphon break is not covered by Warranty Conduct the RAW WATER PICKUP TEST to deter mine whether a siphon break is required to prevent the muffler and engine from being flooded with floatation water Figure 6 2 The top panel of an en closed genset has knockouts for the hoses to pass through A siphon break kit is available from Onan The kit has hole grommets To keep leaks from spilling on the genset do not
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