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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' 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 without 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 is clean and particle free and tank fed only. See Installation
instructions.
Storage
Do not allow water to freeze in the pump, hoses, coil, or spray guns.
Hose reels
Uncoil hose completely before pressurizing with first use.
Electric
Product 157597 requires an electric brake controller (Brake controllers are available in
Brakes
our Northern Tool & Equipment Catalogs and Stores).
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.
Check daily.
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.
Mounting Bolts: checked mounting bolts regularly for proper torque
(see maintenance instructions for torque spec)
Call NorthStar Product Support 1-800-270-0810
M157598L.1
ITEM NUMBER: 157597, 157598
SERIAL NUMBER:
Engine Model:
Pump Model:
®
Flow:
Hose Length:
Nozzle Size:
Pressure:
Lance Length:
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Table of Contents
Related Manuals for North Star M157598L.1
Summary of Contents for North Star M157598L.1
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Page 1: Quick Facts
M157598L.1 ITEM NUMBER: 157597, 157598 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. -
Page 2: Table Of Contents
Table of Contents Important Safety Instructions Long Term/Winter Storage Specifications Troubleshooting Machine Component Identification Parts Breakdowns 17-20 Installation Instructions Electrical Schematic Operation Instructions Pump Breakdown 22-23 Safety Features 10-11 California Emissions Statement 24-25 Maintenance Instructions 12-13 Limited Warranty Important Safety Instructions WARNING -Risk of injection or injury to persons - Do not direct discharge stream at persons. -
Page 3: Specifications
Specifications 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
Machine Component Identification Figure 1 (Ref. 1-13) Ref # Description Ref # Description Indicator light (Power) Flow Switch Indicator light (Flow) Unloader Indicator light (Burner igniter) Water Outlet Indicator light (Thermostat) Engine (see engine manual) Thermostat Engine Key Switch Heat Switch Pump Control Panel Water Inlet... -
Page 5: Installation Instructions
Installation Instructions Attaching Customer Supplied Water Feed Installing a Battery Tank (157598 only) Warning: Sulfuric acid is a corrosive poison. Warning: This unit can only be used with a tank. Direct Avoid contact with skin, eyes or clothing. Always feed from a normal city water hookup can cause wear safety glasses. - Page 6 Installation Instructions Venting Oil Burner Burner Air Adjustment: The oil burner is preset and DANGER: Do not run machine indoors or in an 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.
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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 Read entire manual, especially the important safety instructions. 1.) Check hoses, fittings, wand, trigger gun and fuel connections signs wear,... - Page 8 Operating Instructions IV.) Applying Chemicals V.) Start Engine WARNING: Only use NorthStar pressure washer See the engine manual to start your engine. chemicals or chemicals specifically formulated for IMPORTANT: The water feed tank must contain pressure washers. Follow chemical adequate water before starting. Running the pump manufacturer’s recommendations.
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Page 9: Safety Features
Operating Instructions VII.) Cleaning VIII.) Shut-Down Instructions WARNING: Wear eye, ear, hand, foot and skin WARNING: Do not leave an operating machine protection at all times while operating this pressure unattended. Always shut the machine OFF and washer. relieve the pressure before leaving the machine. DANGER: Do not point the spray wand at yourself or Never disconnect the high-pressure hose from the at any person. - Page 10 Trailer Safety 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. •...
- Page 11 Trailer Safety Step One. Inspect/Repair Important: When not towing the trailer the pin must Trailer must be inspected BEFORE EACH USE. be installed in breakaway switch. Failure to have pin installed will drain your pressure washers battery. Never use breakaway switch as a parking brake. WARNING Read instructions below carefully for lights.
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Page 12: 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 13 Maintenance Instructions Flow Switch Mineral build-up and/or debris within the flow switch Swivel can occur and may affect burner operation if not Fitting periodically cleaned. Mineral build-up and/or debris can stop the movement of the shuttle inside the flow switch body.
- Page 14 Maintenance Instructions Tightening Belts Belt Tension 1) Loosen pump mount bolts (4 places). Some general rules of belt tension are: 2) Tighten tension bolt. 1.) Ideal tension is the lowest tension without belt a) See tension specs below slippage. 3) Ensure all 3 belts are the same tension 2.) Over tightening decreases belt and bearing life.
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Page 15: 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.) Fill tank with 5 gallons of RV antifreeze. 2.) Run the pressure washer in cold mode until RV antifreeze comes out both of the water outlets. Make sure excess antifreeze is disposed of safely. -
Page 16: 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 17: Parts Breakdowns
Parts Breakdown 157598 – Rev L.1... - Page 18 Parts Breakdown 157598 – Rev L.1 PART # DESCRIPTION PART # DESCRIPTION 5027 ELBOW, 1/2NPT MXF 779565 LARGE COIL WRAP 17141 HOSE CLAMP 3/4 HOSE 782055 CONTROL BOX TOP, SKID 780086 UNLOADER 779567 CONTROL PANEL BOTTOM, SKID 777376 RELIEF VALVE, 3/8 NPT 779570 TENSIONER WLDT, LG SKID 30048 REDUCER 1/2NPT X 3/8NPT MXF...
- Page 19 Parts Breakdown 157597 – Rev L.1...
- Page 20 Parts Breakdown 157597 – Rev L.1 PART # DESCRIPTION Skid Sub-assembly (see 157598 for parts 779612 breakdown) 779580 Tank Strap 779500 525 Gallon Tank 779633 3/8” 150” 4000 PSI Hose 779167 28” Lance 779165 Gun with Lance 784105 3/8” 4000 PSI Hose 23” 778498 Pin Catch 777111...
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Page 21: Electrical Schematic
Wiring Diagram – Rev L.1... -
Page 22: Pump Breakdown
Pump Breakdown... - Page 23 Pump Breakdown...
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Page 24: California Emissions Statement
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, new SORE must be designed, built and equipped to meet the State’s stringent anti-smog standards. - Page 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 or replaced by Northern Tool and Equipment Co, Inc.
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Page 26: Limited Warranty
Limited Warranty 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 all mechanical equipment this unit requires a due amount of care. - Page 27 This page has intentionally been left blank.
- Page 28 ® Manufactured by Northern Tool + Equipment Co., 2800 SouthCross Drive West P.O. Box 1499 Burnsville, MN 55337-0499...
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