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Maintenance & Repair 

 

44 

 

 

 
 
 
 
 
 
 
 

 

 

 

 
 
 

 

 
 

 

Clean water filter 

Clean the water filter before each use.

 

 

     

WARNING

:  

When cleaning filters, check whether dangerous chemicals have 
been used with the filter and take any precautions that may be 
recommended by the manufacturer of these chemicals.  Always 
dispose of hazardous fluids per local, state, and national 
guidelines.  

 

1)

 

Locate water filter on pump inlet fitting. (See Components section of 
this manual.) 

2)

 

Remove water filter cap. 

3)

 

Remove filter screen. 

4)

 

Run water through screen to clean. 

5)

 

Reassemble. 

Check tires/ trailer 

Check tires and trailer before each use. 

 

1.

 

Make sure tires are fully inflated and in good repair.  See tire sidewall 
for recommended pressure and fill as needed. 

2.

 

Check to make sure that trailer is in safe working condition.  Make sure 
all nuts, bolts, and connections are tight.  If a part needs replacement, 
only use parts that meet the manufacturer's specifications.   

 

      WARNING:   

 

Do not over-inflate tires.  Serious injury can occur if tire 
explodes. 

 

Damaged or missing components, or replacement parts that do 
not meet specifications, may result in a safety hazard or poor 
operation of the trailer. 

 

Bad 

Exposed wire mesh due 

to wear 

Water dripping or spraying, 

or localized moisture

 

Good 

Bad 

Figure 15 

Summary of Contents for 157595

Page 1: ...er shut off the engine and get to fresh air RIGHT AWAY Skin Eye Injury High pressure spray can cause serious skin or eye injury including injection injury if fluid pierces the skin Injection injury ca...

Page 2: ...a standard 12VDC 18 Ah automotive battery Group 75 86 Water Flow Requirements Make sure your supply water flow rate is 20 higher than the pressure washer s flow rate see Specifications section for det...

Page 3: ...allation 16 Moving and Towing 17 Before Each Use 19 Step 1 Check Equipment 19 Step 2 Add Fuel s 20 Step 3 Select a Suitable Worksite 22 Operation 24 Step 1 Connect Hose s Water Supply and Spray Nozzle...

Page 4: ...safety apparel during operation of this pressure washer Safety apparel includes waterproof insulated gloves safety glasses with side and top protection and non slip protective footwear Some cleaning c...

Page 5: ...ed Engine Fuel Regular Unleaded Gasoline Engine Oil See Engine Owner s Manual Burner Fuel 1 or 2 Diesel B5 or lower Biodiesel Kerosene or Fuel Oil Capacity 4 Gal Pump Oil shipped with oil but refills...

Page 6: ...gine manual 9 Ball Valve city tap water 16 Circuit Breaker 3 Inlet Plumbing 10 Water Filter 17 Heat Switch 4 Diesel Tank 11 Control Panel 18 Thermostat 5 Gasoline Tank 12 Battery Box battery not inclu...

Page 7: ...ter Used to open or close the water line from city tap 10 Water Filter Filters water prior to entering the pump 11 Control Panel Flat surface for mounting switches 12 Battery Box Storage place to hous...

Page 8: ...ety labels are in place and in good condition If a safety label is missing or not legible order new labels or unsafe operation could result To order replacement safety labels call NorthStar Product Su...

Page 9: ...m all combustible objects Situate on heat resistant flooring when using burner Understand all safety hazards and first aid measures for chemicals being used Follow chemical manufacturer s directions w...

Page 10: ...y temperature and automatically turns the burner off when the temperature setting is reached When the discharge spray temperature drops the burner automatically reignites Thermal Relief Valve This uni...

Page 11: ...identified in Figure 2 Overview of Pressure Washer Components and Figure 3 Hardware Bag Inspect the pressure washer immediately after you receive delivery for missing parts and damage If you have mis...

Page 12: ...3 Part 82291 1 2 x 5 Bolt Qty 1 Part 82119 1 2 x 4 Bolt Qty 2 Part 82250 5 8 x 1 3 4 Bolt Qty 4 Part 82664 5 8 Class G Nut Qty 4 Part 82288 3 8 x 1 Bolt Qty 3 Part 82023 3 8 Flat Washer Qty 3 Part 820...

Page 13: ...frame built into the front posts 4 Install jack onto A frame with 3 8x1 bolts 3 8 lock nuts and washers provided Tighten to 37 ft lbs 5 Crank jack down until A frame becomes level parallel to ground...

Page 14: ...rame with 1 2 x 5 bolt and Class G lock nut Place a flat washer next to the head of the bolt slide the bolt through the cable and the A frame Then slide the other cable onto the bolt followed by anoth...

Page 15: ...ick if equipped 2 If oil level is low fill using SAE30 non detergent oil or Cat Pump Oil Item 22158 3 Replace oil fill cap Prepare Engine Fill the engine with oil Note The engine is shipped without oi...

Page 16: ...the general battery safety rules and instructions listed below General Battery Safety Rules ALWAYS use eye protection and protective clothing when handling batteries NEVER smoke or work near sparks o...

Page 17: ...result in a safety hazard or poor operation of the trailer Move pressure washer to vehicle When moving the pressure washer by hand always keep the jack cranked down to provide support if needed Attach...

Page 18: ...vers starts or stops that could create sway Rough or sloped terrain Slow down and exercise extra caution on rough or sloped terrain in order to reduce risk of rollover Pick the most level route possib...

Page 19: ...s Manual for oil type and capacity and more detailed oil check fill instructions WARNING Burn hazard Never open oil port while engine is running Hot oil can spray over face and body Notes o Low oil s...

Page 20: ...connections loose or missing fuel hose clamps damaged gasoline tank or defective gasoline shut off valve Perform other scheduled maintenance as needed Make sure that any other regular maintenance has...

Page 21: ...filling Do not use a nozzle lock open device 5 Clean up fuel spills splashes immediately If possible move the pressure washer away from spilled fuel on the ground Wipe up spilled fuel and wait 5 minu...

Page 22: ...e well ventilated resulting in dangerous and fatal concentrations within minutes Follow the directions below for choosing a location to operate your pressure washer in order to avoid carbon monoxide p...

Page 23: ...Never place any objects against or on top of the pressure washer Do not operate with a tarp blanket or cover surrounding the pressure washer 4 Hot exhaust clearance The exhaust gas from your pressure...

Page 24: ...elect Suitable Worksite section of this manual A suitable location is OUTDOORS only away from all building air intakes Where no flammable vapors dusts and gases are present Where there is adequate uno...

Page 25: ...ply 1 Water supply should be standard tap water 2 Make sure the water is clean Debris can cause excess pump wear and reduce performance 3 Make sure the water supply is steady and capable of flowing at...

Page 26: ...ith components such as hose connections and spray gun rated for lower pressure and or temperature limits than the machine s maximum rated pressure and temperature or component could rupture and cause...

Page 27: ...sed on the following table Color of Nozzle Spray Angle Used For Red 0 Highest Impact Yellow 15 Tough Stains Stripping Green 25 General White 40 Light Cleaning Black Low pressure 65 Chemicals NOTE You...

Page 28: ...he proper cleaning chemical for the application can speed up cleaning jobs tremendously Your pressure washer is equipped with a quick connect chemical injector which siphons cleaning chemicals into a...

Page 29: ...ormulated for use with pressure washers CAUTION Non approved chemicals can damage pressure washer components seals wand hoses pump etc and be harmful to the environment Prepare for chemical spray if p...

Page 30: ...h pressure hose or component Always replace it with a part that is rated at or above the pressure rating of the machine Modifications Do not modify the pressure washer in any way or deactivate any saf...

Page 31: ...carbon monoxide poisoning Put on personal protective gear WARNING Use personal protective gear to prevent Eye and skin injection injury from high pressure spray Burns from hot water or steam Eye inju...

Page 32: ...re all the air is out of the hoses before starting the pressure washer engine Start engine Start the engine to power the pump 1 Make sure water supply is connected and primed CAUTION Running the pump...

Page 33: ...r If hot spray or steam is desired If HOT spray or steam is desired turn on the burner 1 First make sure vicinity is free of flammable vapors dust gases or other potentially combustible materials Oper...

Page 34: ...possibly amputation Seek medical attention Do not secure trigger open To reduce risk of injury do not attempt to secure the spray gun open by blocking or tying the spray gun in the open position Preve...

Page 35: ...and allows the detergent to soak as you work toward the top 5 Use the width of the spray pattern to wash a wide path Overlap spray paths for complete coverage 6 The nozzle should be 12 to 24 from the...

Page 36: ...pping Stop the engine using the following steps WARNING Never disconnect the high pressure hose from the pump or spray gun while the system is pressurized Relieve pressure by squeezing the spray gun t...

Page 37: ...m tank can ignite o Away from extreme high or low temperatures Do not store the pressure washer in freezing conditions unless it is prepared as directed below for those conditions Perform regular main...

Page 38: ...for long term storage if storing more than 30 days First prepare the engine for long term storage if you will not be using the pressure washer again for more than 30 days Fuel can become stale when s...

Page 39: ...t and store it indoors 2 Make sure the engine start switch is OFF and fuel valve is OFF 3 Disconnect the engine spark plug wire if you haven t already done so 4 Disconnect the high pressure hose garde...

Page 40: ...o adjust WARNING The burner adjustment procedure requires part of an individual s body to be underneath the pressure washer while it is elevated Always ensure the pressure washer is securely elevated...

Page 41: ...tal plate located on the outside of the air band The shutter adjusts independently from the air band and is used to fine tune the amount of intake air b Observe that the aluminum pointer attached to t...

Page 42: ...ter water separator Drain water as needed Change filter after every 500 hours of use Descale coil Annually or more frequently as use and performance require see instructions Inspect and desoot coil if...

Page 43: ...riously injured if the fuel system is not properly hooked up or there is a fuel leak when you start the engine Inspect the entire fuel system for both engine and burner Look for signs of leaks or dete...

Page 44: ...ssemble Check tires trailer Check tires and trailer before each use 1 Make sure tires are fully inflated and in good repair See tire sidewall for recommended pressure and fill as needed 2 Check to mak...

Page 45: ...Air filter check replacement 3 Spark plug cleaning and replacement 4 Fuel filter check replacement 5 Inspecting and cleaning muffler and spark arrestor if equipped Change pump oil Change the pump oil...

Page 46: ...e the output pressure and temperature of heated spray and may eventually clog water flow through the heating coil Descale the coil tubing at least annually and more frequently if you detect a decrease...

Page 47: ...If soot has built up on the exterior of the coil tubing clean as follows 1 Wear protective clothing goggles and gloves 2 Disconnect high pressure hose on inlet side of coil and thermostat on outlet s...

Page 48: ...heating chamber You do not have to disconnect the fuel lines or the electric cords Figure 20 2 Pull the burner out from underneath the heat exchanger 3 Clean off carbon deposits which may have accumu...

Page 49: ...e strongly recommend the following Have a staff person become familiar with the mechanical operation of the pressure washer and capable of making minor repairs and performing all preventative maintena...

Page 50: ...upply is more than 4 gpm Pressure Washer Surges Or Cycles While In Bypass Causes Solutions Leak between unloader and gun Check all connections between unloader and gun for leaks Tighten loose componen...

Page 51: ...Parts Explosion 157595 Rev BK 51...

Page 52: ...5 Clear PVC hose 1 4 48 32 777375 Unloader 1 96 221222 Strainer chemical hose 1 33 777337 Nipple 1 2 NPT x 3 8 NPT MxM 1 97 787130 Wire harness burner 1 34 792431 Reducer NPT x NPT 1 98 22502 Strain r...

Page 53: ...Parts Explosion 157595 Rev BK 53...

Page 54: ...cement Lid Shock 1 10 38485 Pin 1 32 777914 QC 3 8 Female Coupling 1 11 796875 Jack 1 33 777410 3 8 Street Elbow 1 12 777775 Coupler 1 34 777378 18 3 8 5400 PSI Gray Hose 1 13 796668 A frame Tow bar 1...

Page 55: ...Pump Explosion Rev BK 55...

Page 56: ...Wiring Diagram Rev BK 56...

Page 57: ...is pressure washer Do not use for other purposes as unforeseen hazards or equipment damage may result Prohibition Against Modifications Never modify or alter the pressure washer in any way or deactiva...

Page 58: ...asoline is highly flammable and explosive and burner fuels are combustible at warm temperatures You can be burned or seriously injured when handling fuel Using extreme care when handling fuel includin...

Page 59: ...issue damage leading to infection gangrene and possibly amputation Check maintain machine before each use Check hoses fittings for damage and leaks before use Ensure all components are properly connec...

Page 60: ...k of injury do not attempt to secure the spray gun open by blocking or tying the spray gun in the open position Keep spray away from electrical wiring Spray contact with electrical wiring will likely...

Page 61: ...chemicals known to the State of California to cause cancer birth defects or other reproductive harm Avoid inhalation of exhaust After use Cool engine before storing Let engine cool for at least five...

Page 62: ...62 This page has intentionally been left blank...

Page 63: ...epair of items outside of a NorthStar approved facility is the responsibility of the buyer and not covered under warranty Transportation costs to and from service center is the responsibility of the c...

Page 64: ...This product can expose you to chemicals including gasoline engine exhaust which is known to the State of California to cause cancer and carbon monoxide which is known to the State of California to ca...

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