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19

Troubleshooting Guide

 

 

Pressure Washer Will Not Run - No Power

 

Causes 

Solutions 

Machine not plugged in 

Plug machine in 

GFCI tripped 

Make sure machine is dry   
Press RESET on the GFCI 

Machine turned OFF 

Turn Pump switch ON 

Line circuit breaker tripped 

Check for tripped circuit breaker in building 

 

Circuit Breaker Trips During Operation

 

Causes 

Solutions 

Voltage too low 

Check the voltage 

Circuit Breaker Overloaded 

Make sure to use NEMA specified receptacle  
Make sure there is no other equipment using the same circuit  

see Specifications

 

Pressure set too high 

Check/adjust pressure setting on unloader 

 

Pressure Washer Runs But No Pressure

 

Causes 

Solutions 

Partially clogged or damaged nozzle 

Clean or replace nozzle 

Low water flow 

Make sure the water supply is more than

 

the required flow 

 
 

Pressure Washer Surges Or Cycles While In Bypass

 

Causes 

Solutions 

Leak between pump and gun 

Check all connections between pump and gun for leaks   
Tighten loose components and replace damaged components 

Gun leaking internally 

Replace spray gun 

 

Smoke From Heat Exchanger

 

Causes 

Solutions 

Air band not adjusted properly due to 
different elevation 

Adjust the air band until the burner burns cleanly   
See 

Oil Burner

 under 

Installation Instructions

 

Poor quality fuel 

Use Kerosene for the cleanest burn 

 

Water Not Heating Sufficiently

 

Causes 

Solutions 

Scale build-up in coil 

See 

Coil Descaling

 under 

Maintenance Instructions

 

Coil is full of soot 

See 

Coil Desooting

 under 

Maintenance Instructions

 

 

Safety Relief Valve Sprays Water

 

Causes 

Solutions 

Unloader/Burner Control Problem 

Call Product Support 

 

Poor Or No Detergent Supply

 

Causes 

Solutions 

Inadequate detergent supply 

Refill detergent container 
Make sure the chemical strainer is fully submerged 

High pressure hose too long 

Use less hose   
Move machine closer to the work 

Chemical strainer or injector clogged 

Clean the strainer and injector. Always start with a clean detergent 
container. Run clean water through the injector after each use. 

Содержание 157305

Страница 1: ...g any obligation to install them on units previously sold Quick Facts Pump Oil Pump is shipped with oil Change oil plug and check pump oil level before starting Use Universal Tractor Transmission Oil UTTO or Mobil1 Synthetic15w50 for Comet pumps and Cat pump oil item 22158 for Cat oil changes Water Make sure your water flow is 20 higher than the pressure washer s flow rate Make sure your water is ...

Страница 2: ...als Do not run machine without sufficient lubrication or sufficient water to cool the pump 9 Wear safety glasses gloves face protection and appropriate clothing when operating the machine 10 Do not operate this machine with broken or missing parts Never alter the manufacturer s original design or deactivate any safety device on the machine 11 Risk of exposure to dangerous chemicals Wear protective...

Страница 3: ...otection from the risk of electric shock Should replacement of the plug or cord become necessary use only identical replacement parts that include GFCI protection 2 For a product rated more than 125 volts GROUND FAULT CIRCUIT INTERRUPTER PROTECTION To comply with the National Electric Code NFPA 70 and to provide additional protection from the risk of electric shock this pressure washer should only...

Страница 4: ...power 1 5 hp 5 hp 2 0 hp 5 hp Maximum Temperature 250 F 250 F 250 F 250 F Approved Fuels 1 or 2 Diesel Kerosene Fuel Oil 1 or 2 Diesel Kerosene Fuel Oil 1 or 2 Diesel Kerosene Fuel Oil 1 or 2 Diesel Kerosene Fuel Oil Fuel Capacity 8 25 gal 8 25 gal 8 25 gal 8 25 gal Discharge Hose 3 8 x 50 3 8 x 50 3 8 x 50 3 8 x 50 Power Requirements Dedicated NEMA Receptacles 5 20R 6 30R 5 20R 6 30R Volts 115V 2...

Страница 5: ...r 2 High Pressure Water Outlet 11 Tee 20 Quick Connector 3 Motor 12 Safety Relief Valve 21 Spray Gun 4 Burner 13 Pump 22 Grip 5 Fuel Fill Cap 14 Gun Hooks 23 Lance Wand 6 Fuel Tank 15 Power Switch 24 Power Cord Hangers 7 Control Box 16 Thermostat 25 High Pressure Hose Hanger 8 Elbow 17 Service Panel 26 Garden Hose Water Inlet 9 Swivel Fitting 18 Nozzles ...

Страница 6: ...npack Separate and identify all components Use the assembly instructions in this manual for assembly High Pressure Hose Qty 1 Wheel Retainer Qty 2 Spray Gun Grip Qty 1 Wheel Qty 2 Pressure Washer Qty 1 Fastener Bag Qty 1 Nozzle Qty 6 ...

Страница 7: ...way from frame 3 Slide the two wheel retainers onto the end of the axle Tighten the setscrew with a hex wrench Description Qty Wheel 2 Wheel Retainer 2 B 1 Install the pressure hose onto the pressure washer as shown 2 Connect the other end of the pressure hose to the spray gun as shown 3 Make sure all plumbing connections are tight Description Qty Spray Gun Lance 1 Spray Hose 1 Wheel Retainer Whee...

Страница 8: ... Remove shipping tape from oil fill cap B Make sure the oil is 1 2 way up oil sight glass Quantities Of Fluid Pump Type of Fluid QTY Comet BXD 1617 UTTO 4 3oz 0 13L Comet BXD 2527G E UTTO 4 3oz 0 13L Cat 2DX SAE 30 8 5oz 0 25L Cat 3DX SAE 30 8 5oz 0 25L Universal Tractor Transmission Oil or Mobil 1 15W50 SAE Non Detergent order Cat Pump Oil Item 22158 ...

Страница 9: ... where exhaust fans may cause an insufficient supply of oxygen Proper combustion can only be obtained when there is a sufficient supply of oxygen available for the amount of fuel being burned If it is necessary to install a unit in a poorly ventilated area outside fresh air may have to be piped to the burner and a fan installed to bring sufficient air into the unit VI Oil Burner Burner Air Adjustm...

Страница 10: ...ned for a pressurized water source such as a city water faucet Sucking water out of a tank may cause pump cavitation and damage to your pump However the inlet pressure of the pump must not exceed 115 psi 8 bar E Always use a flexible rubber hose for your water supply Do not use rigid piping F Do not pump flammable liquids or liquids containing incompatible chemicals or solvents III Before Starting...

Страница 11: ...y turn off IMPORTANT Do not run the machine in hot mode without any fuel in the fuel tank The fuel pump will be damaged if it is run dry To Clean WARNING Wear eye ear hand foot and skin protection at all times while operating this pressure washer DANGER Do not point the spray wand at yourself or at any person Bodily injury may result from water under high pressure CAUTION Be careful on painted or ...

Страница 12: ...s too close 11 Small parts should be washed in a basket so the pressure does not push them away Larger lightweight parts should be clamped down 12 The pressure washer is set to the maximum rated pressure when it leaves the factory To adjust the pressure turn the unloader knob counter clockwise WARNING Do not alter the unloader valve s maximum pressure Excess pressures could cause serious injury an...

Страница 13: ...ill need repairs A NorthStar pressure washer is no exception At times a NorthStar pressure washer may be inoperable because repairs are required NorthStar Product Support will assist in these repairs as needed but if an inoperable pressure washer creates a major expense to your business then we strongly recommend the following 1 Have someone on staff who is trained in the operation of the pressure...

Страница 14: ... for leaks B Check all hoses of worn areas Changing The Pump Oil Change oil after first 50 hours then every 3 months or 500 hours 1 Remove oil drain plug 2 Drain pump oil 3 Replace oil drain plug 4 Fill pump oil according to table below 5 Use sight glass to fill to proper level Quantities Of Fluid Pump Type of Fluid QTY Comet UTTO 4 3 oz 0 13L CAT SAE 30 8 5 oz 0 25L Universal Tractor Transmission...

Страница 15: ... the inlet strainer when finished Coil Desooting Poor grades of fuel oil or inadequate combustion air will cause heavy soot build up on the outside surface of the heating coil These deposits will insulate the coil This will restrict the air flow through the coil further aggravating the soot build up Most coils will never require desooting However to desoot a coil 1 Wear protective clothing goggles...

Страница 16: ...rame 2 Remove the 4 nuts that attach the burner to the heating chamber You do not have to disconnect the fuel lines or the electric co 3 Let the burner fall away from the heat exchanger 4 Clean off carbon deposits which may have accumulated on the tips of the electrodes 5 Reset the spacing as shown below 4 Nuts 00793 00794 1 16 1 8 5 16 Electrodes ...

Страница 17: ...ts to hose or tee depending on model 3 Unthread the removable outlet fitting with the swivel still attached from the flow switch assembly 4 Remove the shuttle 5 Clean the inside of the brass flow switch body and the shuttle with water and a soft brush 6 Insert the shuttle into the brass flow switch in the orientation shown Note Aligning the male tabs on the shuttle to the female guides inside the ...

Страница 18: ...nstructions to prevent the pump from freezing during storage Winter Storage Items needed 12 piece of garden hose or equivalent funnel and RV antifreeze approximately 2 gallons 1 Attach the garden hose with funnel to the pump inlet see illustration 2 Pour RV antifreeze into the funnel 3 Turn the unit on and make sure the burner is off 4 Let the pump run no more than 15 seconds at a time until antif...

Страница 19: ... all connections between pump and gun for leaks Tighten loose components and replace damaged components Gun leaking internally Replace spray gun Smoke From Heat Exchanger Causes Solutions Air band not adjusted properly due to different elevation Adjust the air band until the burner burns cleanly See Oil Burner under Installation Instructions Poor quality fuel Use Kerosene for the cleanest burn Wat...

Страница 20: ...20 M157305L 1 157305 157306 157307 157308 Parts Breakdown ...

Страница 21: ... Vented Wrap Stainless 1 157307 157308 49 777617 Leeson 2 HP Motor 1 157307 23 38120 Insulation Gasket 1 ALL 50 779303 Control Box Cover 1 ALL 24 778111 Heat Exch Mount Weld 1 ALL 51 31985 Grommet 1 ALL 777166 Burner 120V 1 157305 157307 52 779301 Control Panel Weldment 1 ALL 25 778189 Burner 230V 1 157306 157308 53 35198 Grommet 7 16 ID 6 ALL 26 305267 Strain Relief Nut 2 ALL 778197 Nozzle 5 pack...

Страница 22: ... 2 35918 Thermal Protector 1 4 1 157307 157308 3 777340 1 4 MPT x 1 4 Hose Barb 1 157308 4 778236 22mm Thread On Coupler 1 157305 5 777410 3 8 Street Elbow 1 157305 157306 38584 3 8 NPT Easy Start Valve 1 157308 6 777837 3 8 Plug 1 157307 7 777411 3 8 Tee 1 157307 157308 8 38596 Inlet Filter 1 157307 157308 9 777165 Braided Chemical Hose 12 157308 ...

Страница 23: ...23 ...

Страница 24: ...24 ...

Страница 25: ...25 ...

Страница 26: ...Comet BXD 1617 Pump Exploded View 26 ...

Страница 27: ...Comet BXD 1617 Pump Exploded View 27 ...

Страница 28: ...Comet BXD 2527G E Pump Exploded View 28 ...

Страница 29: ...Comet BXD 2527G E Pump Exploded View 29 ...

Страница 30: ...Cat 2DX Pump Exploded View 30 ...

Страница 31: ...Cat 3DX Pump Exploded View 31 ...

Страница 32: ...32 This page has intentionally been left blank ...

Страница 33: ...ch as engines are guaranteed by their manufacturer and can be serviced at factory authorized locations near you Any costs incurred due to replacement or repair of items outside of a NorthStar approved facility is the responsibility of the buyer and not covered under warranty NorthStar can supply you with the service center location in your area This warranty specifically excludes the following fai...

Страница 34: ...34 Manufactured by Northern Tool Equipment Co 2800 SouthCross Drive West P O Box 1499 Burnsville MN 55337 0499 ...

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