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  4. M157598L.1
  5. Installation, Operation And Maintenance Manual

North Star M157598L.1 Installation, Operation And Maintenance Manual

Summary of M157598L.1

  • Page 1

    M157598l.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 d...

  • Page 2

    2 table of contents important safety instructions 2 long term/winter storage 15 specifications 3 troubleshooting 16 machine component identification 4 parts breakdowns 17-20 installation instructions 5-6 electrical schematic 21 operation instructions 7-9 pump breakdown 22-23 safety features 10-11 ca...

  • Page 3: Specifications

    Specifications 3 specifications pressure rating 4000 psi flow output 7 gpm pump type northstar tws 7040 water supply water feed tank engine horsepower 25 hp btu output 547,400 btu maximum temperature 200 ° f approved fuel #1 or #2 diesel, kerosene, fuel oil fuel capacity 15 gallon gasoline capacity ...

  • Page 4

    Machine component identification 4 figure 1 (ref. 1-13) figure 2 (ref. 14-19) ref # description ref # description 1 indicator light (power) 11 flow switch 2 indicator light (flow) 12 unloader 3 indicator light (burner igniter) 13 water outlet 4 indicator light (thermostat) 14 engine (see engine manu...

  • Page 5: Installation Instructions

    Installation instructions 5 installing a battery warning: sulfuric acid is a corrosive poison. Avoid contact with skin, eyes or clothing. Always wear safety glasses. Always wear safety glasses when working on or near the battery. The engine will not run and the burner will not fire without first ins...

  • Page 6: Installation Instructions

    Installation instructions 6 venting danger: do not run machine indoors or in an enclosed area without adequate ventilation, or in areas where flammable vapors, (gasoline, solvents, etc.) may be present. Do not vent exhaust gases into a wall, a ceiling, or a concealed place. Caution: all venting must...

  • Page 7: Operating Instructions

    Operating instructions 7 read and understand the entire manual before operating the pressure washer. Follow these instructions every time you use the pressure washer. I.) pre-operation read entire manual, especially the important safety instructions. 1.) check hoses, fittings, wand, trigger gun and ...

  • Page 8: Operating Instructions

    Operating instructions 8 iv.) applying chemicals warning: only use northstar pressure washer chemicals or chemicals specifically formulated for pressure washers. Follow the chemical manufacturer’s recommendations. Understand all safety precautions and first aid for all chemicals. Note: your pressure...

  • Page 9: Operating Instructions

    Operating instructions 9 vii.) cleaning 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 ...

  • Page 10: Trailer Safety

    Trailer safety 10 warning carefully read and make sure you understand the following safety information before using the pressure washer trailer. Before towing • trailer prep . Always inspect and prepare the trailer before use according to the directions provided in this manual. • connecting trailer ...

  • Page 11: Trailer Safety

    Trailer safety 11 step one. Inspect/repair trailer must be inspected before each use. Warning read instructions below carefully for inspecting and preparing the trailer. Damaged or missing components could result in injury to the operator, bystanders, or property damage. Important safety rules: • re...

  • Page 12: Maintenance Instructions

    Maintenance instructions 12 warning: unauthorized machine modification or use of non-approved replacement parts may cause personal injury and/or property damage and will void the manufacturer warranty . See engine manual for engine maintenance . Maintenance mode before performing any maintenance on ...

  • Page 13: Maintenance Instructions

    Maintenance instructions 13 flow switch 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 is important because ...

  • Page 14: Maintenance Instructions

    Maintenance instructions 14 belt tension some general rules of belt tension are: 1.) ideal tension is the lowest tension without belt slippage. 2.) over tightening decreases belt and bearing life. 3.) keep belts clean and free of foreign material that may cause slippage. 4.) tighten belts when slipp...

  • Page 15: Long Term / Winter Storage

    Long term / winter storage 15 during cold weather, store the pressure washer indoors and move it outdoors before starting the engine. Long term storage and freeze protection 1.) fill tank with 5 gallons of rv antifreeze. 2.) run the pressure washer in cold mode until rv antifreeze comes out both of ...

  • Page 16: Troubleshooting Guide

    Troubleshooting guide 16 engine will not start causes solutions low oil shutdown fill engine with the adequate amount of oil. Cold engine choke engine to start. No fuel add gas to engine, make sure fuel shutoff valve is open. Dead battery recharge/replace battery. Spark plug wire not attached attach...

  • Page 17

    Parts breakdown 157598 – rev l.1 17.

  • Page 18

    Parts breakdown 157598 – rev l.1 18 ref part # description qty 1 5027 elbow, 1/2npt mxf 3 2 17141 hose clamp 3/4 hose 3 3 780086 unloader 1 4 777376 relief valve, 3/8 npt 1 5 30048 reducer 1/2npt x 3/8npt mxf 3 6 30289 clear pvc hose, 3/4 45 in 7 32308 fuel filter, water separator 1 8 780091 relay 1...

  • Page 19

    Parts breakdown 157597 – rev l.1 19.

  • Page 20

    Parts breakdown 157597 – rev l.1 20 ref part # description qty 1 779612 skid sub-assembly (see 157598 for parts breakdown) 1 2 779580 tank strap 2 3 779500 525 gallon tank 1 4 779633 3/8” 150” 4000 psi hose 2 5 779167 28” lance 2 6 779165 gun with lance 2 7 784105 3/8” 4000 psi hose 23” 2 8 778498 p...

  • Page 21: Wiring Diagram – Rev L.1

    Wiring diagram – rev l.1 21.

  • Page 22: Pump Breakdown

    Pump breakdown 22.

  • Page 23: Pump Breakdown

    Pump breakdown 23.

  • Page 24

    24 california emission control warranty statement your warranty rights and obligations the california air resources board and northern tool and equipment co, inc. Are pleased to explain the evaporative emission control system (eecs) warranty on your small off road equipment (sore). In california, ne...

  • Page 25

    25 (3) any warranted part that is scheduled for replacement as required maintenance in the written instructions supplied is warranted for the period of time before the first scheduled replacement date for that part. If the part fails before the first scheduled replacement, the part will be repaired ...

  • Page 26: Limited Warranty

    Limited warranty 26 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 27

    27 this page has intentionally been left blank..

  • Page 28

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