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8.780-016.0

 • Xpert-HD/DD • Rev. 10/09

OPERATOR’S MANUAL

  

PRESSURE WASHER 

 

12

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  discharge 
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 and oil 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  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 formula-

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

After extended Storage

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

engine maintenance

During the winter months, rare atmospheric 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 mainte-
nance of the engine.

StorAGe

on-off
Switch

pump 

Water Inlet

discharge Nipple

Safety 

latch

Summary of Contents for Xpert-HD 3.8/35p

Page 1: ...your local K rcher Shark Commercial Pressure Washer Dealer nearest you visit www karchercommercial com or www karchershark com 8 780 016 0 model Order Xpert HD 3 8 35p DD 383537 1 107 108 0 OPERATOR...

Page 2: ...cord both serial number and date of purchase and keep in a safe place for future reference 8 780 016 0 Xpert HD DD Rev 10 09 Important Safety Information 4 6 Component Identification 7 Assembly Instru...

Page 3: ...RAY AWAY FROM ELECTRICAL WIRING WARNING Keepwand hose and water spray away from electric wiring or fatal electric shock may result 4 All installations must comply with local codes Contact your electri...

Page 4: ...engines on mobile or portable equipment shall be refueled a outdoors b with the engine on the equipment stopped c with no source of ignition within 10 feet of the dispensing point and d with an allow...

Page 5: ...y cause dam age to the pump 24 Protect discharge hose from vehicle traffic and sharp objects Inspect condition of high pressure hose before using or bodily injury may result 25 Before disconnecting di...

Page 6: ...onnected to the spray gun High Pressure Hose Connect one end to water pump discharge nipple and the other end to spray gun Pump Protector Cycles fresh cool water through pump when recirculating water...

Page 7: ...ntil secure STEP 7 Attach wand to spray gun wand Tighten both STEP 8 Pull spring loaded collar of the wand coupler back to insert your choice of pressure nozzle STEP 11 Connect garden hose to the cold...

Page 8: ...require maintenance At temping to check oil on this pump may damage it and will void your pump warranty STEP 4 Connect garden hose to the cold water source and turn water on completely Never use hot...

Page 9: ...throttle to fast position CAUTION Small engines may kick back Do not hold pull starter grip tightly in hand operating instructionS WARNING Never replace nozzles without engaging the safety latch on t...

Page 10: ...e cleaning surface with 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...

Page 11: ...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 a...

Page 12: ...r 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 nozzle Insufficient water supply Turn water...

Page 13: ...den hose NO DETERGENT Detergent suction tube not properly connected to machine Check connection Detergent is too thick Dilute detergent For best results use manufacturers detergent Detergent filter va...

Page 14: ...Every 6 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 This pressure washer...

Page 15: ...021 0 Hose 3 8 X 50 1 Wire Tuff Skin Xpert HD and DD Models 1 2 8 750 247 0 Gun M407 1 3 8 783 040 0 Wand 44 With Side Grip 1 4 9 104 030 0 Quick connect nozzle Kit 040 1 s9 802 295 0 Nozzle 0003 Red...

Page 16: ...ANUAL Date Oil Changed Month Day Year Estimated Operating Hours Since Last Oil Change Date Oil Changed Month Day Year Estimated Operating Hours Since Last Oil Change oil change record Check pump oil a...

Page 17: ...t corrosion thermal expansion scale deposits or a contaminated water supply such as water in the unit with chloride content higher than that of 80 mg liter or use of chemicals not approved or recom me...

Page 18: ...www karchercommercial com www karchershark com Form 8 780 016 0 Xpert HD DD Revised 10 09 Printed in U S A or Mexico...

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