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9.801-760.0 - L  (01/19/22)

SERVICE MANUAL

MODEL #

ORDER #

HD 3.0/27 G

1.107-270.0

HD3.0/27 GB

1.107-271.0

HD 3.5/35 G

1.107-272.0

HD 3.5/35 GB
HD 4.0/40 G
HD 4.0/40 GB
HD 4.0/40 Ge
HD 4.0/40 GeB
HD 5/30 G
HD 3.5/35 G CAL
HD 3.5/35 GB CAL
HD 4.0/40 G CAL
HD 4.0/40 GB CAL
HD 4.0/40 GeB CAL
HD 4.0/40 Ge CAL
HD 5/30 G GB CAL

1.107-273.0
1.107-274.0
1.107-275.0
1.107-276.0
1.107-277.0
1.107-412.0
1.107-421.0
1.107-422.0
1.107-429.0
1.107-430.0
1.107-434.0
1.107-435.0
1.107-446.0

Summary of Contents for HD 3.0/27 G

Page 1: ...HD 4 0 40 G HD 4 0 40 GB HD 4 0 40 Ge HD 4 0 40 GeB HD 5 30 G HD 3 5 35 G CAL HD 3 5 35 GB CAL HD 4 0 40 G CAL HD 4 0 40 GB CAL HD 4 0 40 GeB CAL HD 4 0 40 Ge CAL HD 5 30 G GB CAL 1 107 273 0 1 107 27...

Page 2: ......

Page 3: ...9 Pump Assembly Exploded view 10 11 LB3030r Pump Exploded view 12 LM Series Pump Exploded view 13 14 LP 3035G Pump Exploded 15 16 LPP035G1 Pump Exploded 17 18 LS 4040G Pump Exploded 19 20 VRT3 Unload...

Page 4: ...e 100020 Until Now 8 924 394 0 ITEM 3 BUMPER MODEL SERIAL NUMBER FROM TO USE BUMPER HD 3 0 27 G 100001 100135 8 924 698 0 HD 3 5 35 G 100001 100002 8 294 698 0 HD 4 0 40 G 100001 101011 8 294 698 0 HD...

Page 5: ...8 759 118 0 Engine Vanguard 14HP E S HD 4 0 40 Ge CAL 1 18 9 802 958 0 Key 0 185 SQR X 1 75 HD 3 0 27 G 1 9 802 959 0 Key 0 247 SQR X 2 125 HD 3 5 35 G HD 4 0 40 G HD 4 0 40 Ge 1 19 8 754 756 0 Pump...

Page 6: ...0 Nozzle SAQCMEG 2504 Green HD 4 0 40 G HD 4 0 40 Ge 1 8 712 340 0 Nozzle SAQCMEG 4003 5 White HD 3 0 27 G HD 3 5 35 G 1 8 712 348 0 Nozzle SAQCMEG 4004 White HD 4 0 40 G HD 4 0 40 Ge 1 8 712 398 0 No...

Page 7: ...0 18 28 25 30 43 44 55 42 56 40 54 10 32 35 23 58 23 46 45 50 47 49 16 13 15 14 52 53 2 13 15 65 12 48 48 51 21 59 20 41 10 24 62 57 22 34 31 37 27 26 33 36 57 63 61 EXPLODED VIEW For Models HD3 0 27...

Page 8: ...ne Vanguard 14HP HD 4 0 40 GB CAL HD 5 30 G GB CAL 1 8 759 118 0 Engine Vanguard 14HP E S HD 4 0 40 GeB CAL 1 19 9 802 714 0 Bolt 5 16 x 1 3 4 NC HH HD 3 0 27 GB 4 9 186 021 0 Hex Head Bolt 3 8 16 x 2...

Page 9: ...DN 5 3 2ft 53 9 802 216 0 Injector Chem Non Adj 0 083 1 54 8 754 990 0 Battery 12V 35Ah Small HD 4 0 40 GeB 1 55 9 802 706 0 Bolt 1 4 20 X 1 3 4 Carriage Zinc HD 4 0 40 GeB 1 8 730 042 0 Bolt Carriag...

Page 10: ...HD 3 0 27G HD3 5 35G HD4 0 40G HD4 0 40Ge 3 8 757 511 0 Elbow 3 8 Steel All Models 1 4 8 750 299 0 Unloader Vrt3 8 GPM 4500 psi All Models 1 5 8 707 152 0 Nipple 3 8 Male Ssteel All Models 1 6 8 705...

Page 11: ...3 4 8 3500 1500 RPM 1 2 8 707 254 0 Pump protector 3 8 1 HD3 0 27 GB HD3 5 35 GB HD4 0 40GB HD4 0 40GBe 3 8 757 511 0 Elbow 3 8 Steel All Models 1 4 8 750 299 0 Unloader Vrt3 8 GPM 4500 psi All Models...

Page 12: ...03 198 0 Washer Copper G3 8 2 20 8 707 262 0 Plug Brass G3 8 2 21 See Kits Below Valve Seat 6 22 See Kits Below Valve Plate 6 23 See Kits Below Valve Spring 6 24 See Kits Below Valve Cage 6 25 See Kit...

Page 13: ...0 Screw Hex 8mm x18mm 8 24 8 717 210 0 Closed Bearing Housing 1 25 9 803 192 0 O Ring 1 78 x 60 05 2 26 8 933 011 0 Tapered Roller Bearing 2 27 8 751 222 0 Crankshaft LM3840R 1 8 751 223 0 Crankshaft...

Page 14: ...9 801 760 0 Service Manual Catch Up PRESSURE WASHER SERVICE MANUAL 14 3 3...

Page 15: ...ve Seat 6 21 See Kits Below Valve Plate 6 22 See Kits Below Valve Spring 6 23 See Kits Below Valve cage 6 24 9 802 939 0 Screw M6 X 16 12 25 8 717 137 0 Bearing Cover 2 26 9 803 954 0 Bearing Seal 1 2...

Page 16: ...T NUMBER 8 754 856 0 8 754 857 0 8 754 858 0 8 754 859 0 9 803 937 0 KIT DESCRIPTION Plunger Seals 16 mm Seal Packing 16 mm Plunger 16 mm Complete Valve Plunger Oil Seals ITEM NUMBERS INCLUDED 4 6 8 4...

Page 17: ...Valve Seat 6 20 See Kits Below Valve Plate 6 21 See Kits Below Valve Spring 6 22 See Kits Below Valve Cage 6 23 9 802 939 0 Screw M6 X 16 8 ITEM PART NO DESCRIPTION QTY 24 8 717 137 0 Bearing Cover 2...

Page 18: ...INCLUDED 4 5 7 16 4 5 6 7 16 43 44 45 46 12 13 14 2 NUMBER OF CYLINDERS KIT WILL SERVICE 3 3 1 6 3 45 9 803 962 0 Spacer Copper 3 46 8 759 032 0 Plunger Rod 3 47 9 803 965 0 Connecting Rod Pin 3 48 9...

Page 19: ...Housing 1 26 8 717 225 0 O Ring 2 62 x 61 6 1 27 9 802 914 0 Snap Ring 1 28 9 803 168 0 Double Row Ball Bearing 1 29 9 803 152 0 Crankshaft 1 30 9 802 945 0 Set Screw 1 31 9 802 921 0 Oil Dip Stick 1...

Page 20: ...8 725 358 0 8 725 359 0 8 933 023 0 9 802 603 0 9 802 609 0 KIT DESCRIPTION Plunger U Seal 15 mm Complete U Seal Packing 15 mm Plunger 15 mm Complete Valve Plunger Oil Seals ITEM NUMBERS INCLUDED 3 5...

Page 21: ...s 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 Reattach adjustment knob Item 18 and screw down until conta...

Page 22: ...debris with fine needle Pump sucking air inlet hose leaking Check that all hoses and fittings are airtight Turn off machine and trigger spray gun until a steady flow of water emerges through the nozzl...

Page 23: ...T Detergent suction tube not properly connected to machine Check connection Detergent is too thick Dilute detergent For best results use manufacturers detergent Detergent filter valve is at lowest set...

Page 24: ...months Replace Quick Connects O Rings Annually As needed Clean Water Screen Filter Weekly Replace HP Hose Annually if there are any signs of wear PREVENTATIVE MAINTENANCE For Models HD 3 0 27 G HD 3...

Page 25: ...ng pressure control valve Rebuild or replace as needed Slow engine RPM Set engine speed at proper specifications Pump sucking air Check water supply and possibility of air seepage Valves sticking Chec...

Page 26: ...ING FROM UNDER PUMP Piston packing worn Call local distributor O Ring plunger retainer worn Call local distributor Cracked piston Call local distributor OIL DRIPPING FROM UNDER PUMP Oil seal worn or d...

Page 27: ...distributor and order an o ring PUMP IS NOISY Pump is sucking air Check that hoses and fittings are air tight Turn off machine and purge pump by squeezing trigger gun until a steady flow of water emer...

Page 28: ...KNA Inc 4555 Airport Way Denver CO 80239 Form 9 801 760 0 Rev 01 22 Printed in U S A or Mexico...

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