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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 machine's operation, maintenance and safety precautions. Everyone w ho operates this machine
must read and understand this manual. The time you take now w ill prolong your machine's life and prepare you
for its safe operation. Enj oy 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 w ithout incurring any obligation to install them on units prev iously sold.
Engine Oil
Engine is shipped without oil. Fill before starting.
Use SAE 10W-30 motor oil.
Pump Oil
Pump is shipped with oil. Remove shipping tape and check pump oil level before
starting. Use SAE 30 Non-detergent pump oil (item # 4043) or Cat Pump Oil (item
#22158) for oil changes.
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
In the United States
Northstar Customer Service
Call 1-800-270-0810
Hours: Monday - Friday 7:00 AM to 5:30 PM
Saturday 7:30 AM-11:30 AM Central Time
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.
M157310C
ITEM NUMBER:
SERIAL NUMBER:
Engine Mo del:
Pump Mo del:
Flow:
Hose Length:
Nozzle Size:
Cleans dirty surfaces with high
:
pressure hot water.
In the United Kingdom
Call 02392639752
Northern Tool and Equipment Co. (UK) Ltd.
Unit 2, Keel Close,
Portsmouth, Hants PO3 5QD, England
157310
Pressure:
Lance Length:
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Summary of Contents for NorthStar M157310C
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Page 1: Quick Facts
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 machine’s operation, maintenance and safety precautions. -
Page 2: Table Of Contents
Table of Contents Important Safety Instructions Maintenance Instructions 12-15 Specifications Moving and Handling Instructions Machine Component Long Term Storage Identification Installation Instructions Troubleshooting Operation Instructions 9-11 Parts Breakdowns 18-20 Safety Features Electrical Schematic 21-23 Important Safety Instructions WARNING -Risk of injection or injury to persons - Do not direct discharge stream at persons. - Do not use hose if exterior damage is evident. -
Page 3: Specifications
Specifications ITEM 157310 Pressure Rating 3000 psi Flow Output 4 gpm Pump Type Cat 66DX Water Supply Standard tap water @ 20-75 Engine Horsepower 13 hp BTU Output 353,700 BTU Temperature Rise 140° F Ma ximum Temperature 210° F Approved Fuels #1 or #2 Diesel, Kerosene, Fuel Oil Fuel Capacity... -
Page 4: Machine Component Identification
Machine Component Identification Ref # Description Ref # Description Exhaust Vent Fuel Cap Pump Fuel Tank Battery Box Control Panel Fuel Filter/Water Separator Engine Gas Cap Burner Gas Tank... -
Page 5: Installation Instructions
Installation Instructions I.) Unpack Your pressure washer is shipped on one pallet. Separate and identify the components and use the assembly instructions in this manual for assembly. -
Page 6: Hardware Bag
Hardware Bag Owner’s Honda Manual Manual 6X Grommet 1X Chemical Injector 6X Nozzle 4Ft Braided 4X Wheel Hose Retainer 4X - 5/16 X 3/4” Flange Bolt 1X Strainer 4X - 5/16 Flange Nut... - Page 7 II.) Assembly Instructions LIFT BACK OF UNIT BY HANDLES TO INST ALL REAR WHEELS, THEN LIFT FRONT OF UNIT TO INSTALL FRONT WHEELS INSTALL WHEEL ONTO AXLE FASTEN WHEEL WITH RETAINER, SECURE RETAINER WITH WR ENCH PROVIDED NOTE: IT IS RECOMMENDED THAT TWO PEOPLE LIFT THIS UNIT WHILE A THIRD SLIDES THE WHEELS ONTO THE AXLES PRESS BRAIDED HOSE ONTO...
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Page 8: Exhaust Vent
3.) Slowly open the air band until white smoke just starts VI.) Getting Started to appear. IMPORTANT: Proper initial installation of equipment 4.) Turn the air band half way back to the black smoke will assure more satisfactory performance, longer position previously noted. -
Page 9: 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 Garden Hose A.) Position the machine for easy access to all Remove shipping plug from pump inlet and confirm controls. - Page 10 V.) Turn Water Supply ON VIII.) Applying Chemicals Make sure the hose is not “kinked”. A kinked hose will WARNING: Only use NorthStar pressure washer provide insufficient water supply to the pump and will chemicals or chemicals specifically formulated for reduce its life.
- Page 11 A.) Hold the lance with two hands, have a sturdy stance. IX.) Start Engine B.) Point lance at dirty surface and squeeze trigger. *Refer to the engine manual to start your C.) Wash from the bottom to the top, using side to side engine.
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Page 12: Safety Features
Safety Features I.) Safety Relief II.) High Temperature Limit The safety relief valve is a backup safety feature. If the There is a high temperature limit using the thermometer. unloader malfunctions, the safety relief valve will open If the discharge water overheats, the unit will shut down. and relieve system pressure. -
Page 13: Pump
Cleaning The Inlet Filter WARNING: Check whether dangerous chemicals have been used, and take precautions when handling filters. Good A.) Unscrew inlet filter. B.) Remove filter screen. C.) Run water though to clean filter. Checking the Tire Air Pressure Water A.) Remove air fill cap. - Page 14 Coil Descaling Coil Desooting In hard w ater areas, scale build-up w ithin the Poor grades of fuel oil or inadequate combustion air heating coil w ill occur. Scale deposits w ill decrease will cause heavy soot build-up on the outside the w ater temperature rise and may eventually clog surface of the heating coil.
- Page 15 Electrodes 4. Reset the spacing as show n below . On a yearly basis the electrodes should be inspected and any necessary adjustments made. 1. Remove the 4 nuts that attach the burner to the heating chamber. You do not have to Electrodes disconnect the fuel lines or the electric cords.
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Page 16: Moving And Handling Instructions
Moving and Handling In structions Maneuvering Your Pressure Washer Lift Here 1.) Use the handles to move the pressure washer. 2.) To turn, lift slightly on the handles and pivot the pressure washer on its front wheels. 3.) To engage brakes, pull brake arms out, rotate them down and use them as chocks. -
Page 17: Troubleshooting Guide
Any Questions, Comments, Problems or Parts Orders In the United States In the United Kingdom Call 02392639752 NorthStar Customer Service Call 1-800-270-0810 Northern Tool and Equipment Co. (UK) Ltd. Hours: Monday - Friday 7:00 AM to 5:30 PM Unit 2, Keel Close,... -
Page 18: Parts Breakdowns
157310 REV-C... -
Page 19: Battery Box
777667 Battery Cable, Black W/ Post Terminal 33387 Ceramic Insulation Can 777668 Battery Cable, Red W/ Post Terminal 777658 Inner Wrap 778239 13 HP Honda H-AP GX390 777725 NorthStar Label 31985 Grommet 36180 Stainless Steel Wrap 778209 Control Box Weldment 38398 Ceramic Insulation Lid...
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