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2

English

DANGER

indicates “an imminently hazardous sit-

uation which, if not avoided, will result in 

death or serious injury.

WARNING 

indicates “a potentially hazardous situa-

tion which, if not avoided, could result in 

death or injury.”

CAUTION

indicates “a potentially hazardous situa-

tion which, if not avoided, may result in 

minor or moderate injury or in property 

damage incidents.”

The owner and/or user must have an 

understanding of the manufacturer’s 

operating instructions and warnings be-

fore using this pressure washer.

Warning information should be empha-

sized and understood.

If the operator is not fluent in English, 

the manufacturer’s instructions and 

warnings shall be read to and discussed 

with the operator in the operator’s native 

language by the purchaser/owner, mak-

ing sure that the operator comprehends 

its contents.

Owner and/or user must study and 

maintain for future reference the manu-

facturers’ instructions.

To locate your nearest dealer please visit 

our web site :

www.karchercommercial.com

or call 1.888.805.9852.

HIGH PRESSURE WASHER OPERATOR MANUAL

Model Overview

3

Important Safety Instructions

4

Assembly Instructions

6

Operating Instructions

7

Using the Accessories

8

Working with Detergents

9

Taking a Break

10

Shutting Down & Clean-Up

10

Winterizing and Long-Term Storage 11

Maintenance Instructions

11

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Troubleshooting

14

Specifications

Operating pressure  3000 PSI
Water volume 

2.5 GPM

Detergent suction 0.15 - 0.20 GPM
Engine

187cc

Honda GC 190

Part No. 

1.107-078.0

Serial no. 

Safety Alert Symbols

Owner/User Responsibility

Kärcher Comercial Customer 

                  Support 

Summary of Contents for HD 2.5/30 CH

Page 1: ...English 2 Espa ol 16 Fran ais 32 9 139 224 0 01 08 HD 2 5 30 CH...

Page 2: ...operator in the operator s native language by the purchaser owner mak ing sure that the operator comprehends its contents Owner and or user must study and maintain for future reference the manu factu...

Page 3: ...pressure hose 5 Gas tank 6 Spray wand 7 Dipstick 8 Water inlet with garden hose con nector 9 High pressure outlet 10 Detergent suction tube with filter 11 Quick connect nozzles 12 Spark plug 13 Water...

Page 4: ...ling pres sure Set the pressure reducer on the compressor at 25 psi before correct ing the tire pressure Tire pressure should not exceed max 25 psi WARNING Risk of Injection or Injury Do Not Di rect D...

Page 5: ...not be connected directly to the public drinking water supply This is to ensure that there is no feedback of chemicals into the water supply Di rect connection via a receiver tank or backflow prevent...

Page 6: ...zzle holder STEP 5 Attach the wand to the spray gun STEP 6 Pull the spring loaded collar of the wand back to insert your choice of quick connect nozzle STEP 7 Release the collar and push the noz zle u...

Page 7: ...ect garden hose to unit s water inlet STEP 5 Connect garden hose to the cold wa ter source and turn water on com pletely Do not use hot water STEP 6 Unlock the trigger gun safety lock Trigger the gun...

Page 8: ...in nozzle area Risk of injury caused by improperly locked nozzle Make sure you hear a click when in serting the nozzle tip into the wand Pull the nozzle to make sure it is seated properly before oper...

Page 9: ...r use with cleaning detergents recommended by the manufacturer The use of other cleaning detergents may affect the op eration of the machine and void the war ranty Always Use K rcher Detergent for Bes...

Page 10: ...esh water Siphon water at low pressure for one minute STEP 2 Engine with manual throttle Move the throttle lever to the SLOW position Allow the engine to idle for a few seconds then move the throt tle...

Page 11: ...he winter months All K rcher pumps ship with oil already inside direct from the factory There is no need to add oil You should routinely make a visual in spection of the pressure washer s pump If you...

Page 12: ...se at high pres sure from top to bottom in an even sweeping motion keeping the spray nozzle approximately 6 inches from the cleaning surface CAUTION Do not use Dirtblaster spray nozzle on siding as it...

Page 13: ...w detergent to dry on surface If needed use special Wash Brush Attachment not included to re move stubborn dirt Rinse at high pres sure in a sweeping motion keeping the spray nozzle approximately 3 6...

Page 14: ...Not enough inlet water supply Turn water on full force Check garden hose for kinks leaks or blockage Water inlet filter is clogged Remove filter and rinse out in warm water Black detergent nozzle is a...

Page 15: ...ne needle Garden hose connection leaks Loose fittings Tighten fittings Missing worn rubber washer Insert new washer Spray wand leaks Spray wand not properly attached Turn the swivel nut of the gun clo...

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