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9.800-088.0  •  REV. 0/08

OPERA

T

OR’S MANU

AL

  

PRESSURE 

W

ASHER 

 

8

WARNING:  Some  detergents 
may be harmful if inhaled or in-
gested, causing severe nausea, 
fainting or poisoning. The harm-
ful elements may cause property 
damage or severe injury.

STEP 1: 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 2: Apply safety latch to spray gun trigger.  Secure 
black detergent nozzle into quick coupler.  NOTE:  De-
tergent cannot be applied using the Yellow nozzle.

STEP 3: With the engine run-
ning,  pull  trigger  to  operate 
machine.  Liquid  detergent  is 
drawn  into  the  machine  and 
mixed with water. Apply deter-
gent 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 3-5 
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  products  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 AND gENERAL OPERATINg TECHNIqUES

Summary of Contents for HD 1.8/14 Ed

Page 1: ...MODEL ORDER MODEL HD 2 0 10 Ed 1 575 400 0 HE 201006D HD 1 8 14 Ed 1 575 401 0 HE 201406D OPERATOR S MANUAL To locate your local Kärcher Commercial Pressure Washer Dealer nearest you visit www karchercommercial us ...

Page 2: ...of purchase and keep in a safe place for future reference 9 800 088 0 REV 02 08 Important Safety Information 3 4 Component Identification 5 Assembly Instructions 6 Operating Instructions 7 Applying Detergent and General Operating Techniques 8 Shut Down and Clean Up 9 Storage 9 Troubleshooting 10 Preventative Maintenance 11 Oil Change Record 11 Exploded View 12 Exploded View Parts List 13 14 Hose a...

Page 3: ...y company or the selling distributor for specific details If your machine is rated 250 volts or less single phase will be pro vided with a ground fault circuit interrupter GFCI If rated more than 250 volts or more than single phase this product should only be connected to a power supply receptacle protected by a GFCI DANGER Improper connection of the equip ment grounding conductor can result in a ...

Page 4: ...NING Protect machine from freezing 13 To keep machine in best operating conditions it is important you protect machine from freezing Failure to protect machine from freezing could cause malfunction of the machine and result in death serious bodily injury and or property damage Fol low storage instructions specified in this manual 14 Inlet water must be clean fresh water and no hotter then 90 F 15 ...

Page 5: ... siphon and mix detergents High Pressure Hose Connect one end to water pump discharge nipple and the other end to spray gun Nozzle Quick Coupler Pump Develops high pressure Spray Gun Controls the application of water and detergent onto cleaning surface with trigger device Includes safety latch Swivel Connector Allows free range of movement to avoid coiling hoses Wand Must be connected to the spray...

Page 6: ... spray gun wand Tighten both by hand STEP 3 Pull the spring loaded collar of the wand coupler back to insert your choice of pressure nozzle STEP 7 Inspect strainer for block age Connect the garden hose to pump water inlet CAUTION Do not run the pump without water or pump damage will result Safety Latch Spray Gun High Pressure Hose Nozzle Extension Spray Gun Wand Wand Coupler Nozzle Nozzle Wand Cou...

Page 7: ... spray nozzle Cold Water Source Garden Hose WARNING Never replace nozzles without engaging the safety latch on the spray gun trigger The two color coded quick connect nozzles are easily accessible when placed in the convenient rubber nozzle holder which is provided on the front of the machine NOTE To rinse select the yellow To apply detergent select the black nozzle NOZZLES Safety Latch STEP 4 Con...

Page 8: ...ly 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...

Page 9: ...ssure Pump Water Inlet High Pressure Outlet Safety Latch STORAGE CAUTION Pump Storage CAUTION Always store your pres sure 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 If you must store your pressure washer in a location where the temperature is below 32 F you ca...

Page 10: ...ce if necessary Foreign matter in valves Check and clean if necessary Worn bearings Check and replace if necessary Water temperature excessive Reduce to below 160o F presence of water in pump oil Oil seal worn Check and replace if necessary High humidity in air Check and replace if necessary Piston packing worn Check and replace if necessary Water dripping from under pump Piston packing worn Check...

Page 11: ...ior and exterior of the mo tor is free of dirt oil grease water etc Oily vapor paper pulp textile lint etc can accumulate and block motor ventilation If the motor is not properly ven tilated overheating can occur and cause early motor failure 2 Check all electrical connectors to be sure that they are tight Lubrication Bearings Bearing grease will lose its lubricating ability over time not suddenly...

Page 12: ...OPERATOR S MANUAL PRESSURE WASHER 12 exploded View 23 13 14 12 11 1 25 17 15 14 21 14 21 30 29 35 36 26 28 25 33 34 20 19 18 32 31 16 10 9 8 7 1 24 2 7 3 4 5 6 8 27 22 34 14 13 14 13 Model 401 0 Model 400 0 22 11 37 37 11 38 ...

Page 13: ...2 804 0 Washer 5 16 Flat SAE 12 15 9 800 037 0 Label French Warning 1 16 9 800 059 0 Label Instructions 1 17 9 802 873 0 Handle Assy Black 1 18 9 802 311 0 Nozzle Compl QCEM 6540 w Black Nylon Soap Nozzle 1 19 9 804 624 0 Nozzle SAQCMEG 150375 Yellow 400 0 1 9 802 288 0 Nozzle SAQCMEG 1503 Yellow 401 0 1 20 9 802 064 0 Grommet Rubber Nozzle Holder 2 21 9 802 709 0 Bolt 5 16 x 3 4 NC 4 22 9 800 016...

Page 14: ...02 514 0 Strain Relief Straight LQ Tite 400 0 1 9 802 525 0 Locknut 1 2 400 0 1 9 802 518 0 Strain Relief 3 4 Strt LQ Tite 401 0 1 9 802 526 0 Locknut 3 4 401 0 1 38 9 800 049 0 Label Manufacturer s Cleaning Solution 1 39 9 800 095 0 Tag Pump Plug Vented Cap 1 Not Shown EXPLODED VIEW PARTS LIST ...

Page 15: ... 100 0 Quick Coupler O Ring 1 2 8 739 125 0 Hose 3 8 x 50 Tuff Flex 1 Wire 1 3 9 802 223 0 Spray Gun Shut Off 1 4 9 802 220 0 Wand Straight 1 5 9 802 164 0 Coupler 1 4 Female 1 9 802 096 0 Quick Coupler O Ring 1 6 9 802 288 0 Nozzle 3 0 15 Yellow 401 0 1 9 804 624 0 Nozzle 3 75 15 Yellow 400 0 1 7 9 802 311 0 Nozzle Brass Soap 1 Not Shown 5 3 1 2 6 7 Pressure Nozzle Brass Soap Nozzle 4 ...

Page 16: ...210 0406 00 O Ring E F 1 21 89 0009 0206 00 Ring E F 1 22 89 0204 0045 00 Housing E 1 ITEM Part description Kit qty 23 89 1210 0407 00 O Ring E F 1 24 89 1210 0405 00 O Ring E F 1 25 89 0009 0205 00 Ring E F 1 26 89 1210 0404 00 O Ring E F 1 27 89 0009 0204 00 Ring E F 1 28 89 3002 0508 00 Housing with Ball E F 1 29 89 3009 0122 00 Seat E F 1 30 89 1210 0403 00 O Ring E F 1 31 89 3009 0013 00 Valv...

Page 17: ... 89 3200 0017 00 Plug 1 8 x 8 1 65 89 3200 0007 00 Plug 3 8 Gas OT58 1 66 89 2803 0435 00 Injector Kit 1 67 89 2003 0425 00 Hose Barb Fitting 1 68 89 2812 0067 00 O Ring 1 69 89 3003 0026 00 Ball 1 70 89 1802 0180 00 Spring 1 71 89 3218 0299 00 Pump Valve Chamber 1 72 89 3200 0017 00 Plug 1 8 x 8 1 77 89 2800 0081 00 Garden Hose Tail 1 AXD Pump Exploded view parts list Kit A 89 5025 0014 00 Comple...

Page 18: ...htning strikes 7 Defects caused by water sediments rust 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 mended by Kärcher 8 Defects caused by improper voltage voltage spikes or power transients in the electrical supply 9 Devices or accessories not dist...

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