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9.800-083.0  •  REV. 11/06

OPERA

TOR’S MANU

AL

    

PRESSURE 

W

ASHER 

 

10

WARNING:  Some  detergents 
may  be  harmful  if  inhaled  or 
ingested,  causing  severe  nau-
sea, fainting or poisoning. The 
harmful  elements  may  cause 
property  damage  or  severe 
injury.

STeP  1: 

Connect  detergent  injector  to  discharge 

nipple  on  machine.  Connect  high  pressure  hose  to 
injector with quick coupler. (Check to make sure lock-
ing  couplers    are  in  proper  position  before  applying 
water pressure).

STeP 2:

  Use detergent designed 

specifically for pressure washers. 
Household detergents could dam-
age the pump. Prepare detergent 
solution as required by the manu-
facturer.  Fill a container with pres-
sure washer detergent. Place the 
filter end of detergent suction tube 
into the detergent container.

STeP 3:

 With safety latch on spray gun engaged, se-

cure black detergent nozzle into quick coupler.

NoTe:

  Detergent cannot be applied using red, yellow, 

green or white nozzles.

STeP  4:

 With  the  engine  run-

ning, pull trigger to operate ma-
chine. Liquid detergent is drawn 
into the machine and mixed with 
water.  Apply  detergent  to  work 
area. Do not allow detergent to 
dry on surface. 

IMPORTANT: You must flush the detergent injection 
system after each use by placing the suction tube 
into a bucket of clean water, then run the pressure 
washer in low pressure for 1-2 minutes.

THeRMAl PUMP PRoTeCTIoN

If you run the engine on your pressure washer for 1-2 
minutes without pressing the trigger on the spray gun, 
circulating water in the pump can reach high tempera-
tures. When the water reaches this temperature, the 
pump protector engages and cools the pump by dis-
charging the warm water onto the ground. This thermal 
device prevents internal damage to the pump.

CleANINg TIPS

Pre-rinse 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 feet square 
and always apply detergent from bottom to top). Allow 
detergent to remain on surface 1-3 minutes. Do not al-
low detergent to dry on surface. If surface appears to 
be drying, simply wet down surface with fresh water. 
If needed, use brush to remove stubborn dirt. Rinse at 
high pressure from top to bottom in an even sweeping 
motion keeping the spray nozzle approximately 1 foot 
from cleaning surface. Use overlapping strokes as you 
clean and rinse any surface. For best surface cleaning 
action spray at a slight angle.

Recommendations:

  •  Before  cleaning  any  surface,  an  inconspicuous 

area should be cleaned to test spray pattern and 

distance for maximum cleaning results.

  •   If painted surfaces are peeling or chipping, use 

extreme caution as pressure washer may remove 

the loose paint from the surface.

  •   Keep the spray nozzle a safe distance from the  

surface you plan to clean. High pressure wash a 

small area, then check the surface for damage. If 

no damage is found, continue to pressure wash-
ing.

       CAUTION - Never use:

  •   Bleach, chlorine and other corrosive chemicals
  •   Liquids  containing  solvents  (i.e.,  paint  thinner, 

gasoline, oils)

  •   Tri-sodium phosphate products
  •   Ammonia products
  •   Acid-based products
These chemicals will harm the machine and will dam-
age the surface being cleaned.

RINSINg

It will take a few seconds for the detergent to clear.  
Apply safety latch to spray gun. Remove  black soap 
nozzle from the quick coupler. Select and install the 
desired high pressure nozzle. 

NoTe: 

You can also stop 

detergent from flowing by simply removing detergent 
siphon tube from bottle.

WARNINg

deTeRgeNTS & geNeRAl CleANINg TeCHNIqUeS

detergent 

Injector

discharge 

Nipple

High Pressure 

Hose

Summary of Contents for HD 2.8/20 Pb-1.575-150.0

Page 1: ...1 575 150 0 Model HD 2 5 27 Pb 1 575 151 0 Model HD 3 0 30 Pb 1 575 152 0 Model HD 3 7 35 Pb 1 575 154 0 OPERATOR S MANUAL To locate your local K rcher Commercial Pressure Washer Dealer nearest you v...

Page 2: ...nt Identification 6 Assembly Instructions 7 Operating Instructions 8 9 Detergents Cleaning Techniques 10 Shut Down and Clean Up 11 Storage 11 Troubleshooting 12 13 Adjusting Unloader Valves 13 Prevent...

Page 3: ...specific details WARNING Risk of asphyxiation Use this product only in a well ventilated area 3 Avoid installing machines in small areas or near exhaust fans Exhaust contains poi sonous carbon monoxi...

Page 4: ...lectrical wiring Safety Information Cont 9 Do not operate with spray gun in the off position for extensive periods of time as this may cause damage to the pump 10 The best insurance against an acciden...

Page 5: ...the spray gun High Pressure Hose Connect one end to water pump discharge nipple detergent injector nipple and the other end to spray gun Note If trigger on spray gun is released for more than 1 2 min...

Page 6: ...cks Pull the nozzle to make sure it is secure STEP 7 Connect high pressure hose to pump discharge fitting Push coupler collar forward until secure STEP 5 Pull the spring loaded collar of the wand coup...

Page 7: ...eck pump oil level by using dipstick or observe oil level in oil window if equipped Use 30 wt non detergent oil STEP 5 Move the fuel shut off valve to the On posi tion When the engine is not in use le...

Page 8: ...fast position CAUTION Small engines may kick back Do not hold pull starter grip tightly in hand operating instructions cont The five color coded quick connect nozzles provide a wide array of spray wid...

Page 9: ...cleaning tips Pre rinse 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 se...

Page 10: ...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 valv...

Page 11: ...lace as needed Slow engine RPM Set engine speed at proper specifications Pump sucking air Check water supply and possibility of air seepage Valves sticking Check and clean or replace if necessary Unlo...

Page 12: ...ce Regular preventative maintenance will add many hours to the life of your pressure washer Perform maintenance more often under severe conditions Maintenance Operation Every 8 Hrs or Daily 25 Hrs or...

Page 13: ...rrosion 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 recommended...

Page 14: ...Form 9 800 083 0 Revised 11 06 Printed in U S A...

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