North Star M157594J User Manual

Installation, operation, and maintenance manual

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Installation, Operation, and Maintenance Manual
HOT WATER PRESSURE WASHER
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 demand! Take time now to read through this manual so you better
understand the machines' operation, maintenance and safety precautions. Everyone who operates this machine
must read and understand this manual. The time you take now will prolong your machine's life and prepare you
for its safe operation. Enjoy the exceptional performance of your NorthStar hot water pressure washer, the
industry leader! The manufacturer reserves the right to make improvements in design and/or changes in
specifications at any time without incurring any obligation to install them on units previously sold.
Engine Oil
Engine is shipped with out oil. Fill before starting. Use SAE 10W-30 motor oil.
Pump Oil
Pump is shipped with oil. Check pump oil level before starting.
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
Use any NorthStar brand or equivalent pressure washer chemicals.
Chemicals
Adjust soap adjustment knob to regulate cleaning power.
Maintenance
Engine:
Schedule
Pump:
Read and understand all manuals before operating.
Any Questions, Comments, Problems, or Parts Orders

Quick Facts

Oil: change after first 20 hours, then annually or every 100 hours.
Spark Plug: clean every 100 hours, replace annually or every 300 hours.
Air Filter: clean every 100 hours, replace annually or every 300 hours.
Oil: change after first 40 hours, then every 3 months or 500 hours.
Call NorthStar Product Support 1-800-270-0810
M157594J
ITEM NUMBER: 157594, 157595
SERIAL NUMBER:
Engine Model:
Pump Model:
Flow:
Hose Length:
Nozzle Size:
TM
Cleans dirty surfaces with high
:
pressure hot water.
Pressure:
Lance Length:

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Summary of Contents for North Star M157594J

  • Page 1: Quick Facts

    M157594J ITEM NUMBER: 157594, 157595 SERIAL NUMBER: Engine Model: Pump Model: Flow: Pressure: Hose Length: Lance Length: Nozzle Size: 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 demand! Take time now to read through this manual so you better understand the machines’...
  • Page 2: Table Of Contents

    Table of Contents Important Safety Instructions Maintenance Instructions Specifications Long Term/Winter Storage Machine Component Troubleshooting Identification Installation Instructions Parts Breakdowns 14-16 Operation Instructions Electrical Schematic Safety Features Trailer Assembly Instructions (157595) Important Safety Instructions WARNING -Risk of injection or injury to persons - Do not direct discharge stream at persons. - Do not use a hose if exterior damage is evident.
  • Page 3: Specifications

    Specifications Pressure Rating 4000 psi Flow Output 4 gpm Pump Type Cat 66DX Water Supply Standard tap water @ 20-75 psi or water feed tank Engine Horsepower 18 hp BTU Output 353,700 BTU Maximum Temperature 210 F Approved Fuels #1 or #2 Diesel, Kerosene, Fuel Oil Fuel Capacity 4 Gal Gasoline Capacity...
  • Page 4: Machine Component Identification

    Machine Component Identification Ref # Description Ref # Description Ref # Description Unloader Ball Valve (feed tank) Water Outlet Lifting Eye Ball Valve (city tap water) Engine Key Switch Engine (see engine manual) Water Filter Circuit Breaker Inlet Plumbing Water Inlet (city tap water) Heat Switch Diesel Tank (trailer models use hose reel)
  • Page 5: Installation Instructions

    Installation Instructions Attaching a Water Feed Tank (157594 only) Installing a Battery Caution: Make sure to follow these instructions. Warning: Sulfuric acid is a corrosive poison. Inadequate plumbing between a feed tank and the Avoid contact with skin, eyes or clothing. Always pressure washer can cause damage to the pump from wear safety glasses.
  • Page 6 Installation Instructions Venting Oil Burner DANGER: Do not run machine indoors or in an Burner Air Adjustment: The oil burner is preset and enclosed area without adequate ventilation, or in performance tested at the factory (elevation 1100 feet). areas where flammable vapors, (gasoline, solvents, Different altitudes may require a one-time initial burner etc.) may be present.
  • Page 7: Operating Instructions

    Operating Instructions Read and understand the entire manual before operating the pressure washer. Follow these instructions every time you use the pressure washer. I.) Pre-Operation III.) Attach High Pressure Hose Read entire manual, especially the important safety Attach the high pressure hose to the water outlet. See instructions.
  • Page 8 Operating Instructions V.) Turn Water Supply ON (city water tap A.) Snap the quick couple chemical injector onto the high only) pressure outlet and high pressure hose and submerge Make sure the hose is not “kinked”. A kinked hose will the suction strainer into the chemical solution.
  • Page 9: Safety Features

    Operating Instructions X.) For Hot Water XII.) Shut-Down Instructions If HOT water is desired, make sure there is fuel in the WARNING: Do not leave an operating machine fuel tank, turn the heat switch ON, and adjust the unattended. Always shut the machine OFF and thermostat to the desired temperature.
  • Page 10: Maintenance Instructions

    Maintenance Instructions 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 Checking the Hoses Before performing any maintenance on the pressure WARNING: Do not use a finger or skin to check for washer, it must be placed in maintenance mode.
  • Page 11 Maintenance Instructions Coil Descaling Coil Desooting In hard water areas, scale build-up within the heating coil Poor grades of fuel oil or inadequate combustion air will will occur. Scale deposits will decrease the water cause heavy soot build-up on the outside surface of the temperature rise and may eventually clog the heating heating coil.
  • Page 12: Long Term/Winter Storage

    Long Term / Winter Storage During cold weather, store the pressure washer indoors and move it outdoors before starting the engine. Long Term Storage and Freeze Protection 1.) Attach a feed tank or bucket to the water inlet (feed tank). See Installation section for Attaching a Water Feed Tank instructions.
  • Page 13: Troubleshooting Guide

    Troubleshooting Guide 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.
  • Page 14: Parts Breakdowns

    Parts Breakdown 157594J...
  • Page 15: Battery Box

    Component List – 157594J PART # DESCRIPTION Model QTY PART # DESCRIPTION Model 777222 Honda engine 18hp 777486 Heat shield, battery 32842 Honda muffler kit 777485 Tank clamp 30511 1/2npt plug 777666 Decal, gasoline 777837 3/8npt plug 777721 Decal, side panel 38198 CAT pump, 4gpm 777647...
  • Page 16 Parts Breakdown – 157595J PART # DESCRIPTION PART # DESCRIPTION 779257 Hose Reel 5318 Nipple ¾ NPT x ¾ Hose Barb 777903 Frame, Skid 5370 Bulkhead ¾” NPT Female 30198 200 Gal Tank 50NBR12 ½ Hose Barb x ¾ NPT Elbow 777707 Tank Strap 17141...
  • Page 17: Electrical Schematic

    Wiring Diagram – Rev J...
  • Page 18: Trailer Assembly Instructions (157595)

    Trailer Assembly Instructions (157595 only) 1.) Remove the top and four sides of the steel crate. 2.) Remove a-frame from trailer frame. (keep fasteners for step 7) 3.) Slide a-frame into holders under trailer frame (built into the front posts). Trailer 4.) Install jack onto a-frame with 3/8x1”...
  • Page 19 This page has intentionally been left blank.
  • Page 20 Manufactured by Northern Tool + Equipment Co., 2800 SouthCross Drive West P.O. Box 1499 Burnsville, MN 55337-0499...

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