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9.801-759.0 - B     (08/06//20)

OPERATOR’S MANUAL

MODEL #

ORDER #

HD 3.0/27 G 

1.107-270.0

HD3.0/27 GB

1.107-271.0

HD 3.5/35 G

1.107-272.0

HD 3.5/35 GB

HD 4.0/40 G

HD 4.0/40 GB

HD 4.0/40 Ge

HD 4.0/40 GeB

HD 5/30 G

1.107-273.0

1.107-274.0

1.107-275.0

1.107-276.0

1.107-277.0

1.107-412.0

KNA, Inc.4555 Airport Way Denver, CO  80239 

Summary of Contents for HD3.0/27 GB

Page 1: ...3 0 27 G 1 107 270 0 HD3 0 27 GB 1 107 271 0 HD 3 5 35 G 1 107 272 0 HD 3 5 35 GB HD 4 0 40 G HD 4 0 40 GB HD 4 0 40 Ge HD 4 0 40 GeB HD 5 30 G 1 107 273 0 1 107 274 0 1 107 275 0 1 107 276 0 1 107 27...

Page 2: ......

Page 3: ...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 Troubleshooting...

Page 4: ...or oughly 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 qui...

Page 5: ...es 19 Do 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 b...

Page 6: ...4 Do not 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 dr...

Page 7: ...be connected 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 wa...

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 12 V battery with a minimum capac...

Page 9: ...heck pump 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...

Page 10: ...ll 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 the spray gun trigger The four color co...

Page 11: ...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 approxi...

Page 12: ...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 13: ...emove debris 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...

Page 14: ...ENT Detergent 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 s...

Page 15: ...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 5 35 G HD 4 0 40 G HD 4 0 40Ge This pre...

Page 16: ...king pressure control 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 Ch...

Page 17: ...DRIPPING FROM UNDER 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 wor...

Page 18: ...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 machine and purge pump by...

Page 19: ...75 HD3 0 27 GB 9 804 625 0 Nozzle SAQCMEG 250375 Green 1 9 804 624 0 Nozzle SAQCMEG 150375 Yellow 1 9 804 626 0 Nozzle SAQCMEG 400375 White 1 8 712 398 0 Nozzle Compl Qcem 6540 Brass chem 1 Quick Con...

Page 20: ...WASHER 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 o...

Page 21: ...KNA Inc 4555 Airport Way Denver CO 80239 Form 9 801 759 0 Revised 08 20 Printed in U S A or Mexico...

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