SERVICE MANUAL - Hawthorne Cleaning Systems
Contents
1. 60 9 802 518 0 Relief Strt LQ Tite 3234 DT wGmonlens I 9802 6260 Locknut YA 9 802 452 0 Switch Rocker Red Face OE lo ee Time Delay Only EE 81 9 802 066 0 Pad SoftRubber 50Duro 4 63 98027790 Nut 3 8 ESNANG 4 32 9 802 0640 Grommet Rubber 64 8 706 207 0 Elbow 3 8 Street 1 Nozzle Holder 4 65 8 716 125 0 Switch Pressure 00 133 9802 1460 Swivel 1 2 MPx3 4 Time Delay Option Ir GHF w Strainer 1 66 9 802 514 0 Strain Relief 1 2 1 224 8 707 000 0 Connector 1 2 Ancho 1 9802 5240 Locknut 1 2 1 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 EXPLODED VIEW PARTS LIST ITEM PART NO DESCRIPTION QTY 67 9 803 081 0 Cover Access Hole 1 68 9 800 016 0 Label Disconnect power supply 1 69 9 800 020 0 Label Cold Water Inlet 1 70 8 718 980 0 Washer 5 16 Flat 71 9 802 738 0 Bolt 1 2 x 8 NC HH 72 9 802 800 0 Washer 1 2 Flat 73 9 803 100 0 Slider Pump 74 9 802 776 0 Nut 5 16 ESNA 75 9 802 042 0 Elbow 1 2 JIC x 3 8 Female 90 DGH 76 8 706 294 0 Bushing 1 2 x 3 8 Steel 77 9 800 034 0 Clear Lexan 78 9 800 049 0 Detergent label 79 9 802 067 0 Bumper Pad 80 9 802 073 0 Weather Stripping 7 ft Alaj sch A 9 m W 5 Ss m 5 IT Se m 2 ES m 81 9 802 074 0 Nut 1 4 Square 4 82 9 802 151 0 Swivel 1 2 JIC Fem 4 832. SERVICE MANUAL GK 98009660 1 ORDER HDS 4 0 20 1 109 075 0 HDS 4 0 30 E 1 109 076 0 locate your local Karcher Shark Commercial Washer Dealer nearest you visit www karchercommercial com 9 800 966 0 CONTENTS Exploded View 4 5 Exploded View Parts List 6 7 Cabinet Exploded View 8 9 Cabinet Parts List 10 Hose and Spray Gun Assembly 11 Specifications 12 13 Unloader Adjustment Procedure 13 VRT3 8 VB8 Unloader Valves Exploded Views amp Parts Lists 14 15 KM Series Pump Exploded View amp Parts List 16 17 Troubleshooting 18 20 Wiring Diagrams 21 22 Model Number Serial Number Date of Purchase The model and serial numbers will be found on a decal attached to the pressure washer You should record both serial number and date of purchase and keep in a safe place for future reference 9 800 966 0 KARCHER HDS Service Manual Rev 4 14 EXPLODED VIEW LEFT SIDE Reversed View of Electrical Panel Components Time Delay Option at I lt t gt W LU Cc 5 5 wu Q S m 2 3 97 98009660 2 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 EXPLODED VIEW RIGHT SIDE 28 43 25 2 266 2025 p Ds OD el cura 2 22225 2 22 5
3. ar 11 9 802 476 0 Box Plastic 10 x 8 x 6 w Lid 1 HDS 4 0 30 1 12 9 803 038 0 Bracket Support for Elec Box 1 8 712 364 0 Nozzle SAQCMEG 4006 White 13 9 802 518 0 Strain Relief 3 4 LQ Tite 1 HDS 4 0 20 1 9 802 526 0 A Locknut 3 4 1 42 9 800 064 0 Label Karcher Control Panel CT 1 14 9 802 515 0 Strain Relief Strt LQ Tite Med 1 43 8 932 985 0 Label Karcher Stripe 17 2 9 802 524 0 A Locknut 1 2 Conduit 1 44 Bushing See Specification Pages 15 8 918 423 0 Hose 3 8 x 22 2 Wire 45 Bushing See Specification Pages Pressure Loop 1 46 Pulley See Specification Pages 16 9 803 670 0 Pump Protector 1 2 190 17 8 51 306 0 Timer Multi Function Time Delay Option 18 9 802 039 0 Elbow 1 2 JIC 3 8 90 19 9 802 779 0 Nut 3 8 ESNA 47 Pulley See Specification Pages 48 See Specification Pages 49 9 802 048 0 Swivel 1 2 JIC Fem 3 8 Male 1 50 9 802 765 0 Screw 1 4 x1 2 BH SOC ES 14 oo 5 20 9 802 807 0 Washer 3 8 SAE Flat 4 21 8 706 797 0 Nipple 1 2 Hex 22 8 706 844 0 1 2 gt 23 9 802 128 0 Nipple 1 2 JIC x 1 2 54 8 932 965 0 Pu Warning Exposed MPT Pipe 1 aU 24 9 802 131 0 Elbow 1 2 JIC 1 2 90 2 25 9 802 039 0 Elbow 1 2 JIC 3 8 Steel 1 190 27 9 802 807 0 Washer 3 8 Flat 4 EG a 28 9 802 879 0 Cover Karcher B ME __ __ 557
4. the stem Item 8 Re attach the adjusting knob Item 18 then repeat step 6 eee 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 VB8 UNLOADER VALVE EXPLODED VIEW 8 PARTS LIST 9 802 362 0 8GPM 3650 PSI 30 29 37 N WA WY 79 D dr dp 2 m 5 IT 2 m Sal S m 2 a 355 A ff G 2 ITEM PART NO DESCRIPTION QTY ITEM PART NO DESCRIPTION QTY 1 8 705 749 0 3 8 Bsp F Outlet Fitting 1 22 Upper Frame 1 2 8 704 218 0 O ring 1 78 x 18 77 mm 2 23 1 4 Ball 1 3 Spring 1 24 1 4 1 25 Sst Clip 1 5 8 704 230 0 O ring 3 x 6 mm 1 26 Plastic Housing 1 6 VB8 Brass Body 1 27 El Cable Micro Switch 1 7 O Ring 2 62 x 7 6 mm 1 28 O ring 2 62 x 28 25 mm 1 8 Piston 1 29 2 5 x 12 mm Screw 2 9 O ring 1 x 4 mm 1 30 Cover 1 10 9 804 550 0 O ring 1 78 x 15 6 mm 1 31 O ring 2 62 x 6 02 mm 1 11 M 6 Nut 1 32 Black Nut 40 Bar 1 12 VB8 9 Seat Shutter 1 33 O ring 1 78 x 3 68 mm 1 13 Back Ring 11 4 x 15 9 mm 2 34 Sst Washer 4 x 8 mm 1 14 O ring 2 62 x 10 77 mm 1 35 Spring 1 15 Spring Guide 1 36 PR 5 Pin 1 16 O ring 2 62 x 5 23 mm 1 37 Plastic Handle 17 Piston Housing 1 60 1290 00 1 18 M 4 x 4 mm Dowel 1 38 Washer D 30 mm 19 M 22 Nut 60 1290 00 1 20 Taree 39 M 30 Nut Sail 0 1 21 8 932 987 0 3 2 x 33 mm Spring 40 8 705 930 0 PR 5 PI Housing Kit 1 9 800 966 0 K RCHER HDS Service Manu
5. 13 INCLUDED 37 38 37 38 37 38 NO OF CYLINDERS 1 1 1 3 KIT WILL SERVICE 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION OPERATING 2 PRESSURE Insufficient water supply Use larger garden hose clean filter washer at water inlet Match nozzle number to machine Old worn or incorrect spray nozzle and or replace with new nozzle Check plumbing system for leaks EUMD e e Retape leaks with teflon tape Faulty or mis adjusted unloader valve Adjust unloader for proper pressure where applicable Install repair kit when needed Worn packing in pump Install new packing kit Clean inlet and discharge valves valves in pump Worn inlet or discharge valves Replace with valve kit ke ang a COPO EVANG Rebuild or replace as needed where applicable PRESSURE Blockage in valve Check and clean out if necessary Pump sucking air Check water supply and suction line for air seepage at joints Worn piston packing Check and replace if necessary SUAT Inlet or discharge valves blocked or PERIOD OF Check and clean or replace if necessary NORMAL USE Unloader valve seat worn Check and replace if necessary PUMP NOISY SR Check water supply connections on Air in suction line suction line Broken or weak inlet or discharge Check and replace if necessary valve springs Foreign matter in valves Check and clean if necessary PRESENCE Cha
6. 7228 en 7222 2 COLD EE SR 22 225 72712 22 222 EP AL oo 225 Cr SEF 021290 lt lt 28 22060222 0 25 Ee 222 GE y gt 222 lt CA 22 222 Ce 22 K N AN N SQSR 98009660 3 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 9 m W 5 Ss m 5 IT Se m 2 ES m EXPLODED VIEW PARTS LIST 5 ITEM PART NO DESCRIPTION QTY ITEM PART NO DESCRIPTION QTY 1 9 802 362 0 Unloader 35 8 706 998 0 Connector 3 8 Anchor 1 Lu 8GPM 3650 PSI 36 9 804 058 0 Bolt Pump Mounting 4 CC Weeer 37 9 802 039 0 Elbow 1 2 JIC x 3 8 90 MPT 1 gt 8 750 299 0 Unloader VRT3 8 E ek 4500 PSI Time Delay Option 1 38 8 712 345 0 Nozzle SAQCMEG 0004 Red IT 2 Pump See Specification Pages HDS 4 0 30 1 5 55 B HDS 4 0 20 1 erload See Specification Pages GEES Sou E __ 39 8 712 346 0 Nozzle SAQCMEG 1504 Yellow 5 Transformer See Specification Pages HDS 4 0 30 4 Ej 6 _ See Specification Pages 8 712 362 0 Nozzle SAQCMEG 1506 Yellow 7 Fuse See Specification Page 28 29 HDS 4 0 20 1 8 Contactor See Specification 40 8 712 347 0 Nozzle SAQCMEG 2504 Green 0 9 802 259 0 Hose 1 2 Push On 18 MDS 40 30 10 9802 4570 Rail 35mm 4 8 712 363 0 Nozzle SAQCMEG 2506 Green HDS 4 0 20 1 ee E ee a 41 8 712 348 0 euer 4004 Whit
7. check plunger Replace the o ring if needed Remove actuator plunger assembly and inspect O ring and back up rings Replace if necessary Remove the actuator assembly to inspect the O ring and back up rings The actuator assembly will have to be disassembled to inspect and or replace the O rings in the actuator fitting Adjustment should stop when pressure is no longer affected by further compression of the spring Hose length can affect the amount of spike pressure Long lengths of hose may cause high spike pressures Disassemble inlet fitting and check for contaminates or worn parts Clean or replace as needed Remove actuator assembly and inspect O ring and back up rings Replace if necessary Readjust locknut NOTE The locknut is inside the spring on models that have the stem exposed above the spring Tip GPM combination is incorrect Check actual GPM on unrestricted pump and size tip accordingly Tip worn the GPM may be greater Replace tip than expected with a worn tip Bad gauge the pressure may be Replace gauge higher than the gauge shows 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 PRESSURE WASHER SERVICE MANUAL WIRING DIAGRAM WITH AUTO START STOP EES A W n sess OU lt TD Bb BE MAGNETIC STARTER 120V COIL OVERLOAD RELAY es 89 ____ _ ry qu W UNLOADER PRESSURE SWITCH NEA
8. motor single phasing Check for blown fuse or loose BUT DOES power line connections NOT TURN PUMP RUNNING Air leak in inlet Check water supply and possibility NORMALLY BUT of air entering water connections LOW WATER Faulty pressure unloader Bypass pressure unloader by PRESSURE wiring spray gun open If good PSI turn machine off and replace regulator DO NOT RELEASE SYSTEM WILL NOT STOP SPRAY GUN WHILE BYPASSING UNLOADER 9 800 966 0 KARCHER HDS Service Manual Rev 4 14 m 2 m T m 2 b o e Q Q S Q L o L 49 3 lt cr TT I x gt 7 Tm cr a WATER ESCAPING FROM FILL PIPE ON HEAT EXCHANGER UNLOADER DOES NOT GO INTO BYPASS OR WILL CYCLE ITSELF SPIKES TOO HIGH SYSTEM COME UP TO PRESSURE TROUBLESHOOTING Cold water added to heat exchanger Will stop once at operating temperature Ruptured coil or leaking Check repair or replace fittings Spray gun or hose is leaking to Check and repair all leaks atmosphere Check plunger either did not move or did not seal Actuator O ring failure Slow moving actuator this may be caused by bad O rings either on the plunger or inside the actuator fitting Spring tension Hose length Water is leaking between ball and seat O rings on actuator plunger are bad Locknut may be improperly set Remove discharge port Clean and inspect the
9. 4 0 Washer 16 See Kits Below Plunger 3540 3 17 9 803 198 0 Copper Washer 3 8 18 9 802 925 0 Brass Plug 3 8 wesch 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 KM 3 SERIES PUMP EXPLODED VIEW PARTS LIST ITEM PART NO DESCRIPTION QTY 36 See Kits Below CopperSpacer 30 37 SeeKits Below O Ring 21 78 x 7 66 38 See Kits Below Teflon Ring 39 8 751 224 0 Plunger Rod 40 9 803 158 0 Connecting Rod 41 8 51 228 0 Connecting Rod Pin 42 9 803 218 0 Spring Washer 43 9 803 238 0 Connecting Rod Screw 44 8 933 016 0 O Ring 02 62 x 126 67 45 8 751 229 0 Crankcase Cover 46 9 803 197 0 O Ring 01 78 x 14 47 9 803 202 0 Sight Glass 3 4 48 9 802 939 0 Cover Screw 9 m W 5 Ss m 5 IT Se m 2 ES m At OD DD DW WI WI Gol Go Available in kit See below REPAIR KIT NO 8 725 360 0 8 725 362 0 8 725 358 0 8 725 361 0 8 725 363 0 8 725 359 0 Complete Seal Plunger Seal Complete Seal Packing Complete Seal Plunger Seal 4030 Plunger Seal Packing 4030 Packing KIT 4035 5030 3540 4035 5030 3540 DESCRIPTION 18mm 20mm 15mm 18mm 20mm 15mm ITEM NUMBERS e ki 3 li li B a 2 NO OF CYLINDERS REPAIR KIT NO 8 751 237 0 8 751 238 0 8 933 023 0 9 802 603 0 9 802 609 0 Plunger Plunger 4030 Plunger KIT 4035 5030 3540 Plunger Oil DESCRIPTION 18mm 20mm 15mm Complete Valve Seals NUMBERS 33 34 35 36 33 34 35 36 33 34 35 36 11 12
10. 5 5 wu Q S m 0 1 15 15 UG 6 D 12 e c 4 11 lt gt Unloader Adjustment Procedures Remove lock 19 Remove adjustment knob 18 Loosen the two 2 nuts Item 15 move them upward on stem Item 8 until you see 4 or more threads below the nut Re attach adjusting knob Item 18 Start machine Open the trigger of the spray gun Increase pressure by turning adjustment knob Item 18 clockwise until pressure is at the desired operating pressure 6 Remove the adjustment knob Item 18 tighten the lower nut Item 15 tightly against the upper nut Item 15 Re attach adjustment knob Item 18 and screw down until contact is made with the nuts Items 15 Screw down lock nut Item 19 onto the stem Item 8 until the threads cut into the nylon insert of the lock nut Item 19 If adjustment knob Item 18 DOES NOT make contact with upper nut Items 15 remove adjusting knob Item 18 re adjust raise nuts Items 15 on stem Item 8 and re attach adjustment knob Item 18 then repeat step 6 lf adjustment knob Item 18 DOES make contact with upper nut release the trigger of the spray gun and watch the pres sure gauge for the pressure increase spike This spike SHOULD NOT exceed 500 psi above the operating pressure If spike pressure exceeds the 500 psi limit remove the adjusting knob Item 18 and re adjust lower the nuts Items 15 on
11. 9 802 424 0 Cord 16 4 Service 30 84 9 802 695 0 Nut 10 32 Keps 7 85 9 802 723 0 Bolt 3 8 x 1 1 2 NC HH 4 86 9 802 759 0 Screw 10 32 x 1 2 Black 10 87 9 802 762 0 Screw 10 32 x 1 1 4 1 88 9 802 773 0 Nut 1 4 ESNA NC 2 89 9 802 791 0 Cage Nut 10 32 x 16 Gauge 6 90 9 802 794 0 Cage Nut 1 4 x 12 Gauge 8 91 9 802 811 0 Washer 3 8 x 1 1 2 Fender 4 92 9 800 040 0 Label Ground 2 93 9 803 032 0 Standoff Electrical Box 1 94 9 802 520 0 Strain Relief 3 4 075 0 1 9 802 522 0 Strain Relief 1 076 0 1 95 9 802 472 0 Timer Solid State 120V 5 60 Min Adjust 1 96 8 707 264 0 Plug 3 8 Gas Tap Time Delay Option 1 97 9 802 039 0 Elbow 1 2 JIC x 1 2 MPT Time Delay 1 98 9 802 042 0 Elbow 1 2 JIC x 3 8 Fem Time Delay 1 99 8 918 422 0 Hose 3 8 x 20 1 100 9 802 467 0 Base Relay Time Delay Option 1 101 9 802 468 0 Relay 120V Time Delay Option 1 A Not Shown 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 CABINET EXPLODED VIEW LEFT SIDE 98009660 4 F on Fog TE EAE EREL E A 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 PRESSURE WASHER SERVICE MANUAL Coil Assembly 8 918 685 0 CABINET EXPLODED VIEW RIGHT SIDE 98009660 5 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 at I lt t gt W LU Cc D 5 5 wu Q S m CABINET PARTS LI
12. ST ITEM PART NO DESCRIPTION 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 9 802 039 0 8 913 216 0 8 913 218 0 8 913 219 0 8 940 048 0 9 802 455 0 9 802 451 0 8 716 254 0 8 706 161 0 8 716 633 0 8 913 211 0 8 716 650 0 8 716 645 0 8 913 222 0 8 913 221 0 9 802 518 0 9 802 526 0 8 913 212 0 8 913 213 0 8 706 542 0 8 711 785 0 8 913 214 0 8 706 322 0 8 706 207 0 8 706 998 0 8 716 461 0 8 716 122 0 9 802 491 0 8 724 284 0 8 913 210 0 8 718 696 0 8 716 225 0 8 730 762 0 8 716 883 0 8 712 179 0 9 813 220 0 Elbow 1 2 JIC x 3 8 MPT Lid Top Cover Outer Wrap Fill Side Outer Wrap Power Side Label Heating Unit Power Light Green 125V Switch Rocker Carling w Green Lens Timer 7 Day Pin 120V 20A PB873MKZ Elbow 1 4 Street 90 Galv Switch Limit w Clamp Tank Assembly Gasket 6000W Heater 2500 Series Heater 4500W 480V 055994 091 Plug 1 5 Pipe Black Elbow 1 1 2 Female Black 90 Strain Relief Large Locknut 3 4 8465 Tank Assembly Lid Bracket Coil Pad 1 4 Rubber Coil Hose 3 8 x 1 2 Push on Bracket Coil Spacer Tube Fitting Parker 8MSCE6N 316 1 2 SS A Lok Elbow 3 8 Street Connector 3 8 Anchor Terminal Grounding Lug 1 0 6 Copper Wire Block Power Distr 3 Pol 3063133 Block Terminal 4 Pole Contactor 120V Tank Base Assembly Bolt 1 2 x 3 NC SS Holde
13. al Rev 4 14 KM 3 SERIES EXPLODED VIEW 8 751 186 0 KM3540R 3 8 751 187 0 KM4030R 3 8 751 188 0 KMA4030L 3 8 751 189 0 KM4035R 3 8 751 190 0 KM4035L 3 8 751 191 0 KM5030R 3 8 751 192 0 KM5030L 3 TORQUE SPECS at lI lt pe gt Cc 5 5 wu Q S m KM 3 SERIES PUMP EXPLODED VIEW PARTS LIST ITEM PART NO DESCRIPTION QTY ITEM PART NO DESCRIPTION QTY 1 8 751 216 0 Crankcase 1 23 9 802 944 0 Screw Hex 8mm x18mm 8 2 See Kits Below Plunger Oil Seal 3 24 8 717 210 0 Closed Bearing Housing 1 3 SeeKits Below O Ring 21 78 x 31 47 3 25 9 803 192 0 O Ring 21 78 x 60 05 2 4 Kits Below Pressure Ring 3 26 8 933 011 0 Tapered Roller Bearing 2 5 SeeKits Below U Seal 3 27 8 751 222 0 Crankshaft 5030 3540 1 6 See Kits Below Intermediate Ring 3 8 751 223 0 Crankshaft 4030 4035 1 7 See Kits Below U Seal 3 28 9 803 167 0 Crankshaft Key 1 8 9 803 199 0 Washer Copper 1 29 9 802 921 0 Oil Dip Stick 1 9 9 802 926 0 Plug Brass 1 2 1 30 9 803 140 0 Crankshaft Seal 1 10 8 751 218 0 Manifold Head 1 31 9 803 178 0 Shim 2 11 SeeKits Below O Ring 02 62 17 13 6 32 8 717 209 0 Bearing Housing 1 12 SeeKits Below Valve Assembly 6 33 See Kits Below Plunger Nut M8 3 13 See Kits Below O Ring 22 62 x 20 29 6 34 See Kits Below Copper Spacer 3 14 9 802 928 0 Valve Plug 6 35 See Kits Below Plunger 4035 3 15 9 802 938 0 Manifold Stud Bolt 8 See Kits Below Plunger 4030 5030 3 16 9 802 88
14. ave 16ga WIRE 12ga 10ga 8ga 6ga WIRE NOTE TRANSFORMER FOR PROPER JUMPER BAR LOCATION A NOTES A MICRON TRANSFORMER SHOWN TRANSFORMER SHOWN WIRED FOR 230V ON PRIMARY SIDE AND 120V ON SECONDARY SIDE VERIFY THE SIZE AND WIRING CONFIGURATION OF THE THE PRIMARY AND SECONDARY SIDES OF THE TRANSFORMER PER VOLTAGES NEEDED 2 VERIFY COMPONET VOLTAGES WIRE COLOR LEGEND ALL WIRES BLACK UNLESS NOTED W WHITE G GREEN R RED 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 WIRING DIAGRAM WITH TIME DELAY SHUTDOWN OPTION INCOMING POWER w W At A2 HI _ 5 5 MAGNETIC STARTER 120V COIL 12 4 6 A2 OVERLOAD RELAY _ 97 1981 195 96 emm m gm El EAZIWE LI UMESE L I A PRESSURE SWITCH STEPDOWN A TRANSFORMER NOTE TRANSFORMER FOR PROPER JUMPER BAR LOCATION A NOTES A MICRON TRANSFORMER SHOWN TRANSFORMER SHOWN WRED FOR 230V ON PRIMARTY SIDE AND 120V ON SECONDARY SIDE VERIFY THE SIZE AND WRING CONFIGURATION OF THE THE PRIMARY AND SECONDARY SIDES OF THE TRANSFORMER PER VOLTAGES NEEDED ZX USE RED CONTURA VM4A SWITCH WITH GREEN LAMP FOR PUMP SWITCH PART NO 6 020241 3 VERIFY COMPONET VOLTAGES 12ga 10ga 8ga 6ga WIRE 16ga WIRE COLOR LEGEND ALL WIRES BLACK UNLESS NOTED W WHITE G GREEN 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 www karchercomm
15. dp 2 m 5 IT 2 m Sal S m 2 T SPECIFICATIONS Q 9 Pump Pulley Motor Pulley Pump Bushing Model HP Motor Pump Pump Pulley Description Motor Pulley Description Description 1 109 075 0 6 hp 8 51 004 0 8 751 1890 9 802 374 0 2AK 4H 9 802 373 0 2AK56H 24 mm 1 109 076 0 7 5 8 751 014 0 8 751 189 0 8 715 592 0 2BK80H 8 715 583 0 2BK50H 24 mm V I lt 5 A tr a 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 SPECIFICATIONS Pump Motor Motor Overload Model Bushings Bushing Bushing Belt Contactor Fuse Primary Fuse Secondary Transformer 0 5 0 9 802 402 0 Hx1 1 8 9 802 400 0 AX42 9 802 411 0 8 724 268 0 8 724 312 0 9 802 462 0 2 9 802 463 0 1 9 802 551 0 076 0 9 802 402 0 Hx 1 3 8 9 802 401 0 BX43 9 802 420 0 8 724 268 0 8 724 312 0 9 802 462 0 2 9 802 463 0 1 9 802 551 0 U m W e 2 m 5 L JJ 3 e o 9 800 966 0 KARCHER HDS Service Manual Rev 4 14 VRT3 UNLOADER EXPLODED VIEW PARTS LIST 8 750 297 0 8 GPM 2320 PSI 8 750 298 0 8 GPM 3630 PSI 8 750 299 0 8 GPM 4500 PSI ITEM PART NO DESCRIPTION QTY 25 8 750 712 0 Outlet Fitting 1 18 8 750 713 0 Knob Unloader 1 8 750 709 0 Repair Kit VRT3 2320 3630 PSI 8 750 710 0 Repair Kit VRT3 4500 PSI Kit Items 1 4 8 12 16 21 22 19 CH lI lt t gt W LU Cc
16. ercial com Form 9 800 966 0 Revised 4 14 Printed in U S A or Mexico
17. nge oil Direct spray away from IN UN DIE High humidity in air Check and change oil twice as often Piston packing worn Oil seal worn Check and replace if necessary S Q lt o L ES lt cr TT I x gt 7 Tm cr a 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 TROUBLESHOOTING OIL SQUIRTS Pump overfilled with oil Maintain oil level at red dot on OUT OF OIL sight glass at rear of pump or CAP ON PUMP at top of notch on dipstick where applicable WATER Piston packing worn Check and replace if necessary oa O Ring plunger retainer worn Check and replace if necessary UNDER PUMP Cracked piston Check and replace if necessary OIL Oil seal worn Check and replace if necessary DRIPPING EXCESSIVE Irregular functioning Check and replace if necessary VIBRATION of the valves IN DELIVERY LINE Power water auto switch not on Motor overload tripped Control fuse blown 2 or 3 amp Pressure switch faulty Timer faulty SYSTEM WILL NOT START Water leak in discharge line Repair water leak Pressure switch faulty Disconnect at timer If unit stops replace pressure switch Timer resistor faulty Replace timer SYSTEM STOPS Faulty pressure switch Check and replace AFTER APPROXIMATELY Leak in system Fix leak 10 SECONDS AND THEN RESTARTS WATER IS Tank water low Check for leaks and fill NOT HOT Temperature or level controls Check and replace faulty MOTOR HUMS Electric
18. on Label Ground Symbol Bushing Snap 5 8 Nipple 1 2 Hex Steel Weatherstrip 1 8 x 1 2 Screw 10 32 x 3 4 BHSOC Nut 10 32 Keps Fuse Paper Bass 8 10 250V Fuse Class R1 2 Amp Screw 10 32 x 1 2 BH SOC Label Fill Elbow Label Hot Water Outlet Label Class RD5 50 Amp Label XFMR Primary Secondary Fuses Screw 1 4 x 1 BH SOC CS Nut 1 4 ESNA NC Grommet 1 5 16 Rubber Detergent Injector Assy Non Adj 3 Bolt 5 16 x 1 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 QTY wesch wesch 32 8 ft 2 10 12 10 9 7 10 1 1 ft 3 1 1 10 ft 0 HOSE 8 SPRAY GUN ASSEMBLY PARTS LIST High Pressure Nozzle 98009660 6 HOSE 8 SPRAY GUN ASSEMBLY AND PARTS LIST ITEM PART NO 1 9 802 165 0 9 802 096 0 2 9 802 286 0 3 8 711 293 0 4 See Nozzles 5 8 917 057 0 DESCRIPTION Coupler 1 4 Male A Quick Coupler O Ring Small Nozzle Only 1 8 Soap 55 VP AL344 w Coupler 8 Soap Nozzle Page 18 Hose 3 8 x 50 1 Wire QTY 1 ITEM PART NO 6 8 710 384 0 7 9 802 216 0 8 8 707 057 0 9 9 802 251 0 10 9 802 210 0 DESCRIPTION QTY Gun ST 1500 5000 PSI 10 4 GPM Detergent Injector Non Adjust 3 5 Strainer 1 4 Hose Barb Tube 1 4 x 1 2 Clear Vinyl Clamp Hose UNI 46 54 A Not Shown 9 800 966 0 K RCHER HDS Service Manual Rev 4 14 1 6 ft e 79 D dr
19. r Fuse Block Buss R60060 3CR Fuse Buss FRS R 50 600V 50 Amp Transformer 208 230 460V 24 115 OSOKVA Switch TH HI 84 C NC 1 2 x 1 2 SP Electrical Panel QTY wesch L L L sch wesch wesch sch 45 may sch O Aj ITEM PART 37 9 800 016 0 38 8 913 215 0 39 8 913 217 0 40 8 940 047 0 41 8 912 251 0 42 9 802 793 0 43 9 802 754 0 44 8 717 480 0 45 8 706 569 0 46 8 718 755 0 47 9 806 551 0 48 9 802 778 0 49 9 802 716 0 50 8 716 533 0 51 9 802 765 0 52 8 718 937 0 53 8 718 936 0 54 8 940 007 0 55 9 802 259 0 56 9 800 040 0 57 9 802 103 0 58 9 802 171 0 59 9 802 073 0 60 8 718 803 0 61 9 802 695 0 62 9 802 464 0 63 8 713 081 0 64 9 802 759 0 65 8 724 513 0 66 9 800 021 0 67 8 915 607 0 68 8 015 610 0 69 9 802 770 0 70 9 802 773 0 71 9 802 065 0 72 9 802 225 0 73 9 802 710 0 DESCRIPTION Label Disconnect Power Supply Plate Back Cover Plate Electrical Access Label Warning Coil 1 2 O D SS Tubing Nut Cage 1 4 x 16 Ga Screw 1 4 x 1 2 HH NC Whiz Lock Insulation 1 x 24 x 48 Fiberglass Foil One Side Gasket Neop Screw 8 32 x 1 1 2 SS Phil PH Screw 5 16 x 3 4 Whiz Nut Whiz Loc 5 16 Flange Bolt 5 16 x 2 NC HH Clamp Tie Wrap Adhesive Screw 1 4 x 1 2 BH SOC CS Screw 8 x 3 4 Phillips Zinc HEK Screw 8 x 1 2 Phillips Zinc TEK Label Incoming Line Hose 1 2 Push
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