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ITEM PART #  DESCRIPTION 

QTY 

MODEL 

 

ITEM PART # DESCRIPTION 

QTY

MODEL 

38525 

50’ PW Hose Assy 

ALL 

 

35 

38379  Swivel Fitting, 6MP-8FPS 

ALL 

777914  Quick Couple, 3/8” FPT 

ALL 

 

36 

5027 

Elbow, 8MP-FP 

ALL 

777915  Quick Couple Nipple, 3/8” FPT 

ALL 

 

37 

38509  Threaded Gun Hook 

ALL 

777904  Quick Coupler, 1/4” FPT 

ALL 

 

38 

38510  Threaded Hose Hook 

ALL 

779166 

Lance 

Assembly 

1 ALL   

39 

777111 Grommet 

1 ALL 

313107  Quick Couple, 3/8” FPT 

ALL 

 

40  778092 Hot Water Frame 

ALL 

779168  Gun Trigger Assembly 

ALL 

 

41 

32308  Fuel Filter, Water Separator 

ALL 

10 

22622 

Gun Grip 

ALL 

 

42 

30388  Pneumatic Wheel/Tire 

ALL 

11 

38398 

Insulation Cap Assembly 

ALL 

 

43  305408 Axle 

ALL 

12 

36302 

Fiberglass Rope 

49” 

ALL 

 

44  305200 Wheel Retainer 

ALL 

13 

35331 

Heat Exchanger Lid 

ALL 

 

777165 Braided Chemical Hose, 1/4” 

36”  157305, 157306

14  305410  ~Caution Hot~ Decal 

ALL 

 

45 

777165 Braided Chemical Hose, 1/4” 

36”  157307, 157308

15  777913  Quick Couple Nipple, 3/8” 

ALL  

46 

2212 

Chemical 

Strainer 

ALL 

16 

30048 

Reducer, 8MP – 6FP 

ALL 

 

47  778236 Thread-on Coupler, 22mm 

157305, 157306

17  305208  Tee, 8FP 

ALL 

 

778153 Comet GXD 1617-E 

157305 

18  778179  Kink Guard 

ALL 

 

778162 Comet GXD 2527G-E 

157306 

19  779228  Coil Assembly  

ALL 

 

778154 Cat 2DX 

157307 

20 33387 Insulation 

Can 

ALL 

 

48 

38518 Cat 

3DX 

157308 

21  779232  Fire Chamber 

ALL 

 

777616 Leeson, 1.5 HP Motor 

157305 

37530 

Vented Wrap 

157305, 157306

 

778670 Leeson 5 HP Motor 

157306, 157308

22 

36180 

Vented Wrap, Stainless 

157307, 157308

 

49 

777617 Leeson, 2 HP Motor 

157307 

23 

38120 

Insulation Gasket 

ALL 

 

50  779303 Control Box Cover 

ALL 

24  778111  Heat Exch. Mount Weld. 

ALL 

 

51 

31985  Grommet 

ALL 

777166  Burner, 120V 

157305, 157307

 

52  779301 Control Panel Weldment 

ALL 

25 

778189  Burner, 230V 

157306, 157308

 

53 

35198  Grommet, 7/16” ID 

ALL 

26  305267  Strain Relief Nut 

ALL 

 

778197 Nozzle 5-pack, #2.0 

157305, 157307

27 

22502 

Strain Relief 

157306, 157308

 

54 

38531  Nozzle 5-pack, #3.0 

157306, 157308

28  777340  Hose Barb, 1/4” MPT x 1/4” 

ALL 

 

55 

778198 Steam Nozzle, 15 Deg  

ALL 

29  777834  Hose Clamp, 1/4” 

ALL 

 

778151 DP Contactor, 120V/25A 

157305, 157307

30A  777345  Fuel Line, 1/4” Burner-Tank 

25” 

ALL 

 

56 

778152 DP Contactor, 230V/30A 

157306, 157308

30B  777345  Fuel Line, 1/4” Filter -Burner 10” 

ALL 

 57 

30754 

Leather 

Washer 

ALL 

30C  777345  Fuel Line, 1/4” Tank to Filter 

25” 

ALL 

 

58  3054007 Fuel Tank 

ALL 

35104 

Pop Off Valve, 3/8” 

157305, 157307

 

59  305206 Printed Fuel Cap 

ALL 

31 

22392 

Pop Off Valve, 3/8” 

157306, 157308

 

60  777410 Elbow, 3/8” NPT 

157305,157306

778195  3000PSI RXS Hose, 3/8x18” 

18”  157305, 157306

 

61  305266 Strain Relief, 1/2” NPT 

157306,157308

32 

778193  3000PSI RXS Hose, 3/8x26” 

26”  157307, 157308

 

778194 Motor Power Cord 14/3 

157305 

33 

777347 Tee, 

6MP-6FP-6FP 

ALL 

 

62 

778191 Motor Power Cord 12/3 

157306, 157307,

157308 

34 

37537  Flow Switch 

ALL 

 

778141 GFCI Cord, 120V/20A, 36 ft 

157305, 157307

 

 

 

 

 

 

63 

778142 GFCI Cord, 240V/30A, 36 ft 

157306, 157308

 

 

 

 

 

 

 

 

 

 

 

 

 

M157305G - 157305,157306,157307, 157308

 

Parts List

 

Summary of Contents for 157305

Page 1: ...cts Pump Oil Pump is shipped with oil Change oil plug if and check pump oil level before starting Use UTTO for Comet 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 clean and particle free Storage Do not allow water to freeze in the pump hose coil or spray gun Spraying Chemicals Use any North ...

Page 2: ... 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 gloves wh...

Page 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...

Page 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...

Page 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 ...

Page 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 ...

Page 7: ...ay from frame 3 Slide the two wheel retainers onto the end of the axle Tighten the set screw 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...

Page 8: ...m 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 GXD 1617 E UTTO 5 0oz 0 15L Comet GXD 2527G UTTO 5 0oz 0 15L 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 ...

Page 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...

Page 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...

Page 11: ... 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 d...

Page 12: ... too close 11 Small parts should be washed in a basket so the pressure does not push them away Larger light weight 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...

Page 13: ...epairs are required North Star Customer Service 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 washer and is capable of making minor repairs and performing all preventative maintenance procedures as outlined in the pr...

Page 14: ...ate the pressure washer if the hose is cracked worn or leaking A Check all hoses 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 on Cat pumps 2 Drain pump oil 3 Replace oil drain plug 4 Fill pump oil according to table below 5 Use dip stick to fill to proper level or sight glass on Cat pumps On...

Page 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...

Page 16: ...ame 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 cords 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 7 16 Electrodes ...

Page 17: ...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...

Page 18: ... 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...

Page 19: ...19 M157305G 157305 157306 157307 157308 Parts Breakdown ...

Page 20: ... 1 157305 157306 778670 Leeson 5 HP Motor 1 157306 157308 22 36180 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 ...

Page 21: ...8 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 ...

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