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Summary of Contents for Kärcher HD 3.3/25 J JETTER
- Page 1 OPERATOR’S MANUAL 9.808-473.0 - A (02/25)
- Page 2 MODEL: HD 3.3/25 J JETTER 1.107-536.0 Description: The powerful K-Jet 2500 portable water jetter clears clogged pipes with a pulsing 2500 PSI stream.
- Page 3 CONTENTS CONTENTS How To Use This Manual ................4 Safety ......................5 Component Identification ................6 Operating Instructions ................8 Parts 10 Exploded View ..................11 Pump Assembly LPP3535 Jetter ...............13 LBP3030R Pump Exploded View .............14 LM.3 Series Pump Exploded View ............15 LPP3035G Pump Exploded View .............17 LPP3035G1 Pump Exploded View ............19 LS 4040G Pump Exploded View ..............21 VRT3 Unloader Exploded View and Parts List ..........23...
- Page 4 This manual covers the operation and maintenance ignite causing property damage of model HD 3.3/25 J JETTER. All information in this or severe injury. manual is based on the latest product information WARNING: Risk of fire. Do not available at the time of printing.
- Page 5 SAFETY 8. Do not operate valve in the off position for The inlet screen located inside the filter should be extensiveperiods of time as this may cause cleaned before each use. To clean the inlet screen, damage to the pump. unscrew cap beneath the filter, remove the screen 9.
- Page 6 COMPONENT IDENTIFICATION Hose Reel Engine Unloader Valve Control Valve Anti-Shipon Valve Pump Pulse Valve Operation Manual Jetter 9.808-473.0...
- Page 7 SAFETY Hoses of the same diameter may be coupled Check nozzles before and after each use for clogged together using a screw coupling, but it is not holes which can cause pressure to increase to recommended for use in lines smaller than 8" dangerously high levels and damage the pump.
- Page 8 SAFETY 5. Turn the engine switch to the ON position. Part Number FPT x MPT 6. Pull the starter grip lightly until resistance is felt, 9.803-564.0 1/8" x 1/4" then pull briskly. 8.705-129.0 1/4" x 3/8" 7. As the engine warms up, gradually move the choke lever to the open position.
- Page 9 SAFETY of the foot pedal. Then, connect the accessory hose If you have the dual-lance wand (optional) you #8.918-190.0 between the outlet of the pedal and the may draw detergents through the spray wand in swivel on the hose reel. Some jet models may need conjunction with the detergent injector mounted the added length of the accessory hose on the inlet on the machine.
- Page 10 Parts Spare Parts List Operation Manual Jetter 9.808-473.0...
- Page 11 EXPLODED VIEW Operation Manual Jetter 9.808-473.0...
- Page 12 EXPLODED VIEW PARTS LIST ITEM PART NO. DESCRIPTION 8.924-230.0 Frame Aluminum Direct Drive 8.924-115.0 Al Base Direct Drive CW 8.924-074.0 Axle Holder Wrinkle Black 9.802-782.0 Collar, 5/8" Bore Shaft 3010 9.197-010.0 1/4-20" Nylon Insert Lock Nut With Flange 8.924-072.0 Al Spacer Tube Dd Frame CW 8.924-233.0 Axle, 5/8"...
- Page 13 PUMP ASSEMBLY LPP3535 JETTER ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 8.705-105.0 Hose Barb, 3/8"Barb 8.757-340.0 Elbow 3/8", Street 90 X 3/8"MPT/ Brass Deg, Steel, W/SLNT 8.706-297.0 Bushing, 3/8" X 1/4" 8.757-485.0 Tee, 1/2", Brass Steel Yellow Chrom 8.757-509.0 Elbow Steel 1/2 SAE 8.706-880.0 Nipple, 1/2"...
- Page 14 LBP3030R PUMP EXPLODED VIEW TORQUE SPECS Item # Ft.-lbs 23* 12* ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 8.754-841.0 Crankcase See Kits Below Screw, M6 X 16 See Kits Below Plunger Oil Seal 8.717-137.0 Bearing Cover 8.758-216.0 Spacer 9.803-954.0 Bearing Seal See Kits Below "O"-Ring Ø1.78 X 26.7 8.754-843.0...
- Page 15 LM.3 SERIES PUMP EXPLODED VIEW 8.750-755.0 LM3540R.3 8.755-216.0 LM3840R.3 8.750-758.0 LM4035R.3 TORQUE SPECS Item # Ft.-lbs ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 8.751-216.0 Crankcase 9.802-921.0 Oil Dip Stick See Kits Below Plunger Oil Seal 9.803-140.0 Crankshaft Seal See Kits Below O-Ring Ø1.78 x 31.47 9.803-178.0 Shim See Kits Below Pressure Ring...
- Page 16 PUMP PARTS LIST REPAIR KIT NUMBER 8.725-358.0 8.725-359.0 8.933-023.0 9.802-603.0 9.802-609.0 Plunger 15 mm Complete Valve Plunger Seal Complete Seal Plunger Oil KIT DESCRIPTION 15 mm Packing 15 mm Seals ITEM NUMBERS 33, 34, 35 3, 5, 7 3, 4, 5, 6, 7 11, 12, 13 INCLUDED 36, 37, 38...
- Page 17 LPP3035G PUMP EXPLODED VIEW 8.758-076.0 LPP3035G TORQUE SPECS Item # Ft.-lbs 12.5 LPP3035GG PUMP PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 8.754-841.0 Crankcase 21* See Kits Below Valve Spring See Kits Below Plunger Oil Seal 22* See Kits below Valve Cage 8.758-216.0 Spacer 9.802-939.0...
- Page 18 LPP3035G PUMP PARTS LIST ITEM PART NO. DESCRIPTION 8.759-032.0 Plunger Rod 9.803-965.0 Connecting Rod Pin 9.803-966.0 Connecting Rod 8.933-020.0 Connecting Rod Screw 8.754-847.0 "O" Ring ø2.62X111.62 8.754-842.0 Crankcase Cover 9.803-906.0 "O" Ring ø1.78X14 9.803-202.0 Sight Glass G3/4 * Available in kit (See below) KIT NUMBERS 8.759-031.0 8.758-218.0...
- Page 19 LPP3035G1 PUMP EXPLODED VIEW TORQUE SPECS Item # Ft.-lbs LPP3035G1 PUMP PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 8.754-841.0 Crankcase 8.717-137.0 Bearing Cover See Kits Below Plunger Oil Seal 9.803-954.0 Bearing Seal 8.758-216.0 Spacer 8.754-843.0 Seal Spacer, Crankshaft See kits below O Ring 1.78x26.7 9.802-914.0 Snap Ring, 25 mm...
- Page 20 LPP3035G1 PUMP PARTS LIST ITEM PART NO. DESCRIPTION 45* 9.803-962.0 Spacer, Copper 8.759-032.0 Plunger Rod 9.803-965.0 Connecting Rod Pin 9.803-966.0 Connecting Rod 8.933-020.0 Screw, Connecting Rod 8.754-847.0 O-ring Ø2.62 X 111.62 8.754-842.0 Cover, Crankcase 9.803-906.0 O-ring Ø1.78 X 14 9.803-202.0 Sight Glass, G3/4 * Available in kit (See below) KIT NUMBERS...
- Page 21 LS 4040G PUMP EXPLODED VIEW 8.750-753.0 LS4040G TORQUE SPECS Item # Ft.-lbs LS4040G PUMP PARTS LIST ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION 8.751-217.0 Crankcase 9.802-945.0 Set Screw See Kit Below Plunger Oil Seal 9.802-921.0 Oil Dip Stick See Kit Below O-Ring 1.78 x 31.47 9.804-581.0 O-Ring 3.53 x 55.56 See Kit Below Pressure Ring...
- Page 22 LS4040G PUMP PARTS LIST REPAIR KIT NUMBER 8.725-358.0 8.725-359.0 8.933-023.0 9.802-603.0 9.802-609.0 Plunger U-Seal Complete Plunger Oil KIT DESCRIPTION 15 mm U-Seal Packing 15 mm Plunger 15 mm Complete Valve Seals ITEM NUMBERS 46, 47, 48, 49, 3, 5, 7 3, 4, 5, 6, 7 11, 12, 13 50, 51...
- Page 23 VRT3 UNLOADER EXPLODED VIEW AND 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 8.750-713.0 Outlet Fitting 8.750-712.0 Knob, Unloader 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) Unloader Adjustment Procedures Remove lock nut (Item 19).
- Page 24 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION LOW OPERATING Insufficient water supply. Closed Use larger garden hose; clean inlet water PRESSURE faucet. Inlet hose kinked screen. Open faucet. Clogged inlet hose strainer Check plumbing system for leaks. Retape leaks with teflon tape. Faulty or mis-adjusted unloader Adjust unloader for proper pressure.
- Page 25 TROUBLESHOOTING PROBLEM POSSIBLE CAUSE SOLUTION ENGINE FALTERS Choke is opened too soon Move choke to halfway position until engine runs smoothly. WATER DRIPPING Piston packing worn Call local distributor. FROM UNDER PUMP O-Ring plunger retainer worn Call local distributor. Cracked piston Call local distributor.
- Page 26 PREVENTATIVE MAINTENANCE This pressure washer was produced with the best available materials and quality craftsmanship. However, you as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventative maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer for maintenance.
- Page 27 Karcher North America, 6398 N. Karcher Way, Aurora, CO 80019 Form #9.808-473.0 • Printed in U.S.A. or Mexico...
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