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  3. Pressure Washer
  4. 157305
  5. Installation, Operation And Maintenance Manual

NorthStar 157305 Installation, Operation And Maintenance Manual

Manual is about: HOT WATER PRESSURE WASHER

Summary of 157305

  • Page 1

    M157305l.1 installation, operation, and maintenance manual hot water pressure washer : cleans dirty surfaces with high-pressure hot water. To the owner: thank you for purchasing a northstar hot water pressure washer. Your machine is designed for long life, dependability, and the top performance you ...

  • Page 2

    2 table of contents important safety instructions 2 safety features 13 grounding instructions 3 maintenance instructions 13-17 extension cords 3 moving and handling instructions 18 specifications 4 long term storage 18 machine component identification 5 troubleshooting 19 installation instructions 6...

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    3 grounding instructions this product must be grounded. If it should malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electrical shock. This product is equipped with a cord having an equipment-grounding conductor and a grounding plug....

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    4 specifications item number 157305 157306 157307 157308 pressure rating 1700 psi 2700 psi 2000 psi 2750 psi flow output 1.5 gpm 2.5 gpm 1.5 gpm 2.5 gpm pump type ceramic triplex plunger ceramic triplex plunger ceramic triplex plunger ceramic triplex plunger water supply standard tap water @ 20-100p...

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    5 machine component identification 157305, 157306, 157307, 157308 ref # description ref # description ref # description 1 exhaust vent 10 flow switch 19 fuel filter 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...

  • Page 6

    6 installation instructions i.) unpack 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

    7 ii.) assembly instructions a. 1. Carefully raise the pressure washer off the floor by using blocks or ramps. Make sure the pressure washer is secure before proceeding. 2. Install the two wheels as shown with grease zerk away from frame. 3. Slide the two wheel retainers onto the end of the axle. Ti...

  • Page 8

    8 iii.) pump preparation *comet pumps only a.) replace shipping oil plug with vented plug. B.) make sure the oil is 1/2 way up oil sight glass. **cat pumps only a.) 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 ...

  • Page 9

    9 v.) getting started important: proper initial installation of equipment will assure more satisfactory performance, longer service life and lower maintenance cost. Make sure the pressure washer is on a level surface and in a protected area where it is not readily influenced by outside forces such a...

  • Page 10

    10 operating instructions follow these instructions every time you use the pressure washer. I.) pre-operation ; a.) position the machine for easy access to all controls. ; b.) position the machine on a solid surface, with less than a three degree slope and so it is protected from external damage. ; ...

  • Page 11

    11 v.) attach nozzle color of nozzle: spray angle used for: red 0 highest impact yellow 15 tough stains/ stripping green 25 general white 40 light cleaning yellow 15 steaming black 65 chemical your pressure washer is equipped with six nozzles. To install a nozzle simply pull back the collar towards ...

  • Page 12

    12 2. The black, low-pressure chemical nozzle must be used to spray chemicals. 3. Squeeze the spray gun trigger. The chemical injector will draw the chemical into the water stream. 4. Spray detergent onto the surface and allow it to soak. Chemicals need time to work properly. Follow the chemical man...

  • Page 13

    13 safety features i.) safety relief the safety relief valve is a backup safety feature. If the unloader malfunctions, the safety relief valve will open and relieve system pressure. Warning: if the safety relief valve ever discharges water, turn the unit off and do not use the machine. See a dealer ...

  • Page 14

    14 cleaning the inlet filter warning: check whether dangerous chemicals have been used and take precautions when handling filters. A.) unscrew clear tube by hand. B.) remove inlet filter c.) run water though to clean filter checking the tire air pressure a.) remove air fill cap b.) fill tire to 20ps...

  • Page 15

    15 coil descaling in hard water areas, scale build-up within the heating coil will occur. Scale deposits will decrease the water temperature rise and may eventually clog the heating coil. 1. Mix scale remover in a 5 gallon bucket and elevate the bucket so it is higher than the pump. 2. Attach the hi...

  • Page 16

    16 electrodes on a yearly basis the electrodes should be inspected and any necessary adjustments made. 1. Tip the machine back until it rests on the frame. 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 b...

  • Page 17

    17 cleaning instructions for flow switch on 157306 & 157308 mineral build-up and/or debris within the flow switch can occur and may affect burner operation if not periodically cleaned. Mineral build-up and/or debris can stop the movement of the shuttle inside the flow switch body. Shuttle movement i...

  • Page 18

    18 moving and handling instructions maneuvering your pressure washer 1.) pull the handle back with both hands. 2.) rotate the handle downward to a comfortable height. 3.) push the pressure washer forward as you walk. Lifting your pressure washer 1.) to reduce risk of injury, it is recommended to use...

  • Page 19

    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 cir...

  • Page 20

    20 m157305l.1 - 157305,157306,157307, 157308 parts breakdown.

  • Page 21

    21 item part # description qty model item part # description qty model 1 38525 50’ pw hose assy 1 all 35 38379 swivel fitting, 6mp-8fps 1 all 2 777914 quick couple, 3/8” fpt 1 all 36 5027 elbow, 8mp-fp 1 all 3 777915 quick couple nipple, 3/8” fpt 1 all 37 38509 threaded gun hook 2 all 6 777904 quick...

  • Page 22

    22 item part # description qty model 779402 comet bxd 1617 1 157305 779403 comet bxd 2527g-e 1 157306 778154 cat 2dx 1 157307 1 38518 cat 3dx 1 157308 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” s...

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    Comet bxd 1617 pump exploded view 26.

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    Comet bxd 1617 pump exploded view 27.

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    Comet bxd 2527g-e pump exploded view 28.

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    Comet bxd 2527g-e pump exploded view 29.

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    Cat 2dx pump exploded view 30

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    Cat 3dx pump exploded view 31.

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    32 this page has intentionally been left blank..

  • Page 33: Limited Warranty

    Limited warranty 33 dear valued customer: the northstar product you just purchased is built with the finest material and craftsmanship. Use this product properly and enjoy the benefits from its high performance. By purchasing a northstar product, you show a desire for quality and durability. Like al...

  • Page 34

    34 manufactured by northern tool + equipment co., 2800 southcross drive west p.O. Box 1499 burnsville, mn 55337-0499 ®.