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• 9.801-759.0 • Rev. 11/15

15

 PRESSURE 

W

ASHER  

T

roub

leshooting  Guide

MAINTENANCE SCHEDULE

Engine Oil

Inspect

Daily

Change

First month or 20 hours.
Every 100 hours or every 6 months after fi rst month

Filter

Every 50 hours

Air Cleaner/Filter

Inspect

Every 50 hours

Clean

Monthly

Engine Fuel Filter

500 hours or 6 months

Spark Plug Maintenance

300 hours or annually

Clean Fuel Tank(s)

Annually

Replace Fuel Lines

Annually

Pump Oil

Inspect

Oil level daily

Change

After fi rst 50 hours, then every 500 hours or annually

Replace High Pressure Nozzle

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

For Models: HD 3.0/27 G, HD 3.4/35 G, HD 4.0/40 G, HD 4.0/40Ge

This pressure washer was produced with the best available materials and quality craftsmanship. However, you 
as the owner have certain responsibilities for the correct care of the equipment. Attention to regular preventa-
tive maintenance procedures will assist in preserving the performance of your equipment. Contact your dealer 
for maintenance. Regular preventative maintenance will add many hours to the life of your pressure washer. 
Perform maintenance more often under severe conditions. Check pump oil and engine oil level before fi rst use 
of your new pressure washer.

Summary of Contents for HD 3.0/27 G

Page 1: ...R HD 3 0 27 G 1 107 270 0 HD3 0 27 GB 1 107 271 0 HD 3 4 35 G 1 107 272 0 HD 3 3 35 GB HD 4 0 40 G HD 4 0 40 GB HD 4 0 40 Ge HD 4 0 40 GeB 1 107 273 0 1 107 274 0 1 107 275 0 1 107 276 0 1 107 277 0 K...

Page 2: ......

Page 3: ...nt Safety Information 4 6 Component Identification 7 Assembly Instructions 8 Operating Instructions 9 10 Detergent and General Operating Techniques 11 Shut Down and Clean Up 12 Storage 12 Troubleshoot...

Page 4: ...Failure to follow in structions could cause mal function of the machine and result in death serious bodily injury and or property damage 2 Know how to stop the machine and bleed pressure quickly Be t...

Page 5: ...not allow acids caustic or abrasive fluids to pass through the pump IMPORTANT SAFETY INFORMATION WARNING This product contains chemicals known to the state of California to cause cancer and birth defe...

Page 6: ...overreach or stand on unstable support Keep good footing and balance at all times 25 Do not operate this machine when fatigued or under the influence of alcohol prescription medications or drugs Follo...

Page 7: ...ed 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 reache...

Page 8: ...debris then connect the garden hose to pump water inlet CAUTION Do not run the pump without water or pump damage will result STEP 8 Place battery in battery box Use a standard 12 volt battery STEP 9...

Page 9: ...oil level by using dipstick or observe oil level in oil window if equipped Use 40 wt non detergent oil STEP 4 Connect garden hose to the cold water source and turn water on completely Never use hot w...

Page 10: ...y kick back Do not hold pull starter grip tightly in hand OPERATING INSTRUCTIONS WARNING Never replace nozzles without engaging the safety latch on the spray gun trigger The four color coded quick con...

Page 11: ...se 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...

Page 12: ...ure 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 car...

Page 13: ...ris with fine needle Pump sucking air 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 I...

Page 14: ...gent suction tube not properly connected to machine Check connection Detergent is too thick Dilute detergent For best results use manufacturers detergent Detergent filter valve is at lowest setting Se...

Page 15: ...cts O Rings Annually As needed Clean Water Screen Filter Weekly Replace HP Hose Annually if there are any signs of wear PREVENTATIVE MAINTENANCE For Models HD 3 0 27 G HD 3 4 35 G HD 4 0 40 G HD 4 0 4...

Page 16: ...ontrol valve Rebuild or replace 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 o...

Page 17: ...NDER PUMP Piston packing worn Call local distributor O Ring plunger retainer worn Call local distributor Cracked piston Call local distributor OIL DRIPPING FROM UNDER PUMP Oil seal worn or damaged Cal...

Page 18: ...ar clockwise onto the spray gun threads until tight Broken o ring Call local distributor and order an o ring PUMP IS NOISY Pump is sucking air Check that hoses and fittings are air tight Turn off mach...

Page 19: ...1 8 712 398 0 Nozzle Compl Qcem 6540 Brass chem 1 Quick Connect Nozzle Kit 3 75 HD3 0 27 GB 9 804 627 0 Nozzle SAQCMEG 000375 Red 1 9 804 625 0 Nozzle SAQCMEG 250375 Green 1 9 804 624 0 Nozzle SAQCMEG...

Page 20: ...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 and en...

Page 21: ...KNA Inc 4555 Airport Way Denver CO 80239 Form 9 801 759 0 Revised 11 15 Printed in U S A or Mexico...

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