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HD • 9.807-622.0 • Rev. 03/20

11

 PRESSURE WASHER 

    

OPERATOR’S MANUAL

  

SHUTTING DOWN AND CLEAN-UP

STEP 1:

 Remove detergent suc-

tion tube from container and insert 
into one gallon of fresh water. Slide 
nozzle forward for low pressure or 
to connect black detergent nozzle. 
Pull trigger on spray gun and siphon 
water for one minute.

STEP 2:

 Turn off the engine.

STEP 3:

 Turn off water  

supply.

STEP 5:

 Disconnect the garden 

hose from the water inlet on the 
machine.

STEP 6:

 Disconnect the high 

pressure hose from pump dis-
charge nipple.

STEP 7:

 Engage 

the spray gun safe-
ty lock.

STEP 4:

 Press trig-

ger to release water 
pressure.

CAUTION: Always store your pressure washer in a 
location where the temperature will not fall below 
32°F (0°C). The pump in this machine is susceptible 
to permanent damage if frozen. FREEZE DAMAGE 
IS NOT COVERED BY WARRANTY.

  1.  Stop the pressure washer, squeeze spray gun trig-

ger to release pressure.

  2. Detach water supply hose and high pressure 

hose.

  3. Turn on the machine for a few seconds, until  re-

maining water exits. Turn engine off immediately.

  4.  Drain the gas from the engine.
  5. Do not allow high pressure hose to become 

kinked.

  6.  Store the machine and accessories in a room which 

does not reach freezing temperatures.

CAUTION: Failure to follow the above directions will 
result in damage to your pressure washer.

When the pressure washer is not being operated or is 
being stored for more than one month, follow these 
instructions:
  1.  Replenish engine oil to upper level.
  2. Drain gasoline from fuel tank, fuel line, fuel valve 

and carburetor.

  3. Pour about one teaspoon of engine oil through 

the spark plug hole, pull the starter grip several 

times and replace the plug. Then pull the starter 
grip slowly until you feel increased pressure which 
indicates the piston is on its compression stroke and 
leave it in that position. This closes both the intake 
and exhaust valves to prevent rusting of cylinder.

  4.  Cover the pressure washer and store in a clean, dry 

place that is well ventilated away from open flame  
or sparks. 

NOTE: 

The use of a fuel additive, such 

as STA-BIL

®

, or an equivalent, will minimize the 

formulation of fuel deposits during shortage. Such 
additives may be added to the gasoline in the fuel 
tank of the engine, or to the gasolinee in a storage 
container.

After Extended Storage

CAUTION: Prior to restarting, thaw out any pos-
sible ice from pressure washer hoses, spray gun 
or wand.

Engine Maintenance

During the winter months, rare atmosheric 
conditions may develop which will cause an 

icing condition in the carburetor. If this develops, the 
engine may run rough, lose power and may stall. This 
temporary condition can be overcome by deflecting some 
of the hot air from the engine over the carburetor area. 

 

NOTE:

 Refer to the engine manufacturer's manual for 

service and maintenance of the engine.

STORAGE

On-Off

Switch

Pump 

Water Inlet

Pump 

Discharge 

Nipple

Safety 

Latch

Garden 

Hose

Summary of Contents for HD 3.5/40 P

Page 1: ...RIE BN AH ME UN BE DIN GT BE DIE NU NG SA NL EIT UN G DU RS CH LE SE N NO UT ILIZ AR SIN AN TE S NO HA BE R LE IDO EL MA NU AL 9 807 622 0 03 20 High pressure cleaner Combustion engine Cold water Reg...

Page 2: ...You should record both serial number and date of purchase and keep in a safe place for future reference HD 9 807 622 0 Rev 03 20 Important Safety Information 3 5 Component Identification 6 Assembly I...

Page 3: ...al codes Contact your electrician plumber utility company or the selling distributor for specific details WARNING RISK OF ASPHYXIATION USE THIS PRODUCT ONLY IN A WELL VENTILATED AREA WARNING Risk of a...

Page 4: ...nal injury or equip ment damage Keep clear of nozzle Use caution when op erating Do not direct discharge stream at people or severe injury or death will result 13 Never make adjustments on machine whi...

Page 5: ...ning models use only kerosene No 1 home heating fuel or diesel If diesel is used add a soot remover to every tankful 27 This pressure washer is equipped with pneumatic tires which may not be fully inf...

Page 6: ...udes safety latch Detergent Injector Allows you to siphon and mix detergents Wand Must be connected to the spray gun High Pressure Hose Connect one end to water pump discharge nipple and the other end...

Page 7: ...ated properly STEP 8 Connect the high pres sure hose to the pump discharge nipple Push coupler collar forward until secure STEP 5 Attach nozzle extension to spray gun wand Tighten both by hand STEP 6...

Page 8: ...level by using dipstick or observe oil level in oil window if equipped Use 30 wt non detergent oil STEP 5 Rotate the fuel shut off valve to the On position Slide the fuel valve lever to the ON positio...

Page 9: ...ttle to fast position CAUTION Small engines may kick back Do not hold pull starter grip tightly in hand OPERATING INSTRUCTIONS CON T WARNING Never replace nozzles without engaging the safety latch on...

Page 10: ...h fresh water Place de tergent suction tube directly into cleaning solution and apply to surface at low pressure for best results limit your work area to sections approximately 6 feet square and alway...

Page 11: ...s not being operated or is being stored for more than one month follow these instructions 1 Replenish engine oil to upper level 2 Drain gasoline from fuel tank fuel line fuel valve and carburetor 3 Po...

Page 12: ...alves Contact local dealer Nozzle is obstructed Blow out or remove debris with fine needle Pump sucking air inlet hose leak ing Check all pump lines and connections PRESSURE LOW AFTER PERIOD OF NORMAL...

Page 13: ...0 garden hose NO DETERGENT Detergent suction tube not properly connected to machine Check connection Detergent is too thick Dilute detergent For best results use manufac turers detergent Detergent fil...

Page 14: ...under severe conditions MAINTENANCE SCHEDULE Engine Oil SAE 10W 30 Inspect Daily Change First month or 20 hours Every 100 hours or every 6 months after first month Filter Every 50 hours Air Cleaner Fi...

Page 15: ...it 040 104 0 1 9 802 296 0 Nozzle 0015 Yellow 1 9 802 297 0 Nozzle 0025 Green 1 8 932 298 0 Nozzle 0040 White 1 4 8 904 154 0 Quick Connect Nozzle Kit 035 102 0 223 0 1 8 712 338 0 Nozzle 1503 5 Yello...

Page 16: ...wer Washer Change pump oil after first 50 hours every year or 500 hours thereafter Use SAE 10W 40 non foaming Engine oil Check daily before first use of your new Power Washer Change engine oil after f...

Page 17: ...e Meinung Rate your product and tell us your opinion valuer votre produit et dites nous votre opinion Rese e su producto y d ganos su opini n www kaercher com welcome www kaercher com dealersearch Alf...

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