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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
M157594P.1
ITEM NUMBER: 157594, 157595
SERIAL NUMBER:
®
Cleans dirty surfaces with high
:
pressure hot water.
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Summary of Contents for North Star M157594P.1
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Page 1: Quick Facts
M157594P.1 ITEM NUMBER: 157594, 157595 SERIAL NUMBER: ® 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 Long Term/Winter Storage Specifications Troubleshooting Guide Machine Component Identification Parts Breakdowns 14-16 Installation Instructions Electrical Schematic Operation Instructions Trailer Assembly Instructions (157595) Safety Features California Emissions Statement Maintenance Instructions Limited Warranty Important Safety Instructions WARNING -Risk of injection or injury to persons - Do not direct discharge stream at persons. -
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 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 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.
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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.
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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 157594P.1... -
Page 15: Battery Box
Component List – 157594P.1 PART # DESCRIPTION Model QTY PART # DESCRIPTION Model 783394 Honda engine 18hp 777721 Decal, side panel 783396 Honda muffler kit 777647 Battery box 30511 1/2” npt plug 777489 Battery strap 777837 3/8” npt plug 82233 Carriage bolt, 5/16”... - Page 16 Parts Breakdown – 157595P.1 PART # DESCRIPTION PART # DESCRIPTION 783427 Hose Reel 5370 Bulkhead ¾” NPT Female 777903 Frame, Skid 50NBR12 ½ Hose Barb x ¾ NPT Elbow 30198 200 Gal Tank 17141 Hose Clamp ¾ 777707 Tank Strap 30289 ¾...
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Page 17: Electrical Schematic
Wiring Diagram – Rev P.1... -
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: 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 20 (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 21: 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 22 ® Manufactured by Northern Tool + Equipment Co., 2800 SouthCross Drive West P.O. Box 1499 Burnsville, MN 55337-0499...
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