Table of Contents
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Installation, Operation, and Maintenance Manual
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 will
better understand the machine's 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.
Pump Oil
Pump is shipped with oil. Change oil plug and check pump oil level before starting.
Use Universal Tractor Transmission Oil (UTTO) or Mobil1 Synthetic15w50 for Comet
pumps and Cat pump oil (item# 22158) for Cat 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
Maintenance
Pump Oil: change after first 50 hours, then every 3 months or 500 hours.
Schedule
Read and understand all manuals before operating.
Any Questions, Comments, Problems or Parts Orders
HOT WATER PRESSURE WASHER
Cleans dirty surfaces with high-pressure hot water.
Quick Facts
NorthStar Product Support 1-800-270-0810
M157305L.1
ITEM NUMBER: 157305,306,307,308
SERIAL NUMBER:
HP:______ Volts:______ Amp:______ Ph:_____
RPM:____ PSI:____ GPM:____ Nozzle Size:_____
®
Pump:___________ Hose:______ Lance:_______
Max. Discharge Temperature:_____________
:
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Related Manuals for NorthStar 157305
Summary of Contents for NorthStar 157305
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Page 1: Quick Facts
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 will better understand the machine’s operation, maintenance and safety precautions. -
Page 2: Table Of Contents
Table of Contents Important Safety Instructions Safety Features Grounding Instructions Maintenance Instructions 13-17 Extension Cords Moving and Handling Instructions Specifications Long Term Storage Machine Component Identification Troubleshooting Installation Instructions Parts Breakdowns 20-22 Operation Instructions 10-12 Wiring Diagram 23-25 Limited Warranty Important Safety Instructions WARNING -Risk of Injection or Injury to Persons - Do Not Direct Discharge Stream at Persons - Do not use... -
Page 3: Grounding Instructions
Grounding Instructions This product must be grounded. If it should malfunction or breakdown, grounding provides a path of least resistance for electric current to reduce the risk of electrical shock. This product is equipped with a cord having an equipment-grounding conductor and a grounding plug. -
Page 4: Specifications
Specifications Item Number 157305 157306 157307 157308 Pressure Rating 1700 psi 2700 psi 2000 psi 2750 psi Flow Output 1.5 gpm 2.5 gpm 1.5 gpm 2.5 gpm Pump Type Ceramic Triplex Ceramic Triplex Ceramic Triplex Ceramic Triplex Plunger Plunger Plunger... -
Page 5: Machine Component Identification
Machine Component Identification 157305, 157306, 157307, 157308 Ref # Description Ref # Description Ref # Description Exhaust Vent Flow Switch Fuel Filter High Pressure Water Outlet Quick Connector Motor Safety Relief Valve Spray Gun Burner Pump Grip Fuel Fill Cap... -
Page 6: Installation Instructions
Installation Instructions I.) Unpack Separate and identify all components. Use the assembly instructions in this manual for assembly. Spray Gun & Grip Qty-1 High Pressure Hose Qty-1 Fastener Bag Qty-1 Wheel Retainer Qty-2 Wheel Qty-2 Pressure Washer Nozzle Qty-1 Qty-6... - Page 7 Wheel Retainer II.) Assembly Instructions Axle A. 1. Carefully raise the pressure washer off the floor by using blocks or ramps. Make sure the pressure washer is secure before proceeding. 2. Install the two wheels as shown with grease zerk away from frame.
- Page 8 III.) Pump Preparation **Cat Pumps Only *Comet Pumps Only A.) Remove shipping tape from oil fill cap A.) Replace shipping oil plug with vented plug. B.) Make sure the oil is 1/2 way up oil sight glass. B.) Make sure the oil is 1/2 way up oil sight glass. Quantities Of Fluid Pump Type of...
- Page 9 V.) Getting Started VI.) Oil Burner IMPORTANT: Proper initial installation of equipment Burner Air Adjustment: The oil burner is preset and performance tested at the factory (elevation 1100 feet). will assure more satisfactory performance, longer A one-time initial correction of the burner for your service life and lower maintenance cost.
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Page 10: Operating Instructions
Operating Instructions Follow these instructions every time you use the pressure washer. I.) Pre-Operation III.) Before Starting A.) Position the machine for easy access to all WARNING: Make sure all switches and controls are controls. in the OFF position prior to plugging in the cord. B.) Position the machine on a solid surface, with DO NOT stand in water while plugging or unplugging less than a three degree slope and so it is... - Page 11 You do not need to use chemicals for every job, however, the proper chemical used for the proper application can speed up cleaning jobs tremendously. Lance WARNING: Only use NorthStar pressure washer Nozzle Collar Coupler chemicals or chemicals specifically formulated for pressure washers.
- Page 12 Unloader Chemical Injector Braided Hose and Strainer Diluted Chemical Unloader 2. The black, low-pressure chemical nozzle must be used to spray chemicals. 3. Squeeze the spray gun trigger. The chemical injector will draw the chemical into the water stream. 4. Spray detergent onto the surface and allow it to soak. Chemicals need time to work properly.
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Page 13: Safety Features
All mechanical equipment, no matter how well designed, will need repairs. A NorthStar pressure washer is no exception. At times, a NorthStar pressure washer may be inoperable because repairs are required. NorthStar Product Support will... - Page 14 Cleaning The Inlet Filter Checking the Hoses WARNING: Check whether dangerous chemicals have WARNING: Do not use a finger or skin to check for been used and take precautions when handling filters. leaks. Escaping fluid under pressure has sufficient force to penetrate the skin, causing serious injury. Do not operate the pressure washer if the hose is cracked, worn or leaking.
- Page 15 Coil Descaling Coil Desooting In hard water areas, scale build-up within the Poor grades of fuel oil or inadequate combustion heating coil will occur. Scale deposits will decrease air will cause heavy soot build-up on the outside the water temperature rise and may eventually clog surface of the heating coil.
- Page 16 Electrodes 4. Clean off carbon deposits, which may have On a yearly basis the electrodes should be accumulated on the tips of the electrodes. inspected and any necessary adjustments made. 5. Reset the spacing as shown below. 1. Tip the machine back until it rests on the frame. 2.
- Page 17 Cleaning Instructions for Flow Switch on 157306 & 157308 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.
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Page 18: Moving And Handling Instructions
Moving and Handling Instructions Maneuvering Your Pressure Washer Lifting Your Pressure Washer 1.) Pull the handle back with both hands. 1.) To reduce risk of injury, it is recommended to use a hoist to lift this pressure washer. 2.) Rotate the handle downward to a comfortable height. 3.) Push the pressure washer forward as you walk. -
Page 19: Troubleshooting Guide
Troubleshooting Guide Pressure Washer Will Not Run - No Power Causes Solutions Machine not plugged in Plug machine in GFCI tripped Make sure machine is dry Press RESET on the GFCI Machine turned OFF Turn Pump switch ON Line circuit breaker tripped Check for tripped circuit breaker in building Circuit Breaker Trips During Operation Causes... -
Page 20: Parts Breakdowns
M157305L.1 - 157305,157306,157307, 157308 Parts Breakdown... - Page 21 M157305L.1 - 157305,157306,157307, 157308 Parts List ITEM PART # DESCRIPTION MODEL ITEM PART # DESCRIPTION MODEL 38525 50’ PW Hose Assy 38379 Swivel Fitting, 6MP-8FPS 777914 Quick Couple, 3/8” FPT 5027 Elbow, 8MP-FP 777915 Quick Couple Nipple, 3/8” FPT 38509 Threaded Gun Hook 777904 Quick Coupler, 1/4”...
- Page 22 Thermal Protector, 1/4” 157307, 157308 777340 1/4” MPT x 1/4” Hose Barb 157308 778236 22mm Thread-On Coupler 157305 777410 3/8” Street Elbow 157305, 157306 38584 3/8” NPT Easy Start Valve 157308 777837 3/8 Plug 157307 777411 3/8” Tee 157307, 157308...
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Page 26: Limited Warranty
Comet BXD 1617 Pump Exploded View... - Page 27 Comet BXD 1617 Pump Exploded View...
- Page 28 Comet BXD 2527G-E Pump Exploded View...
- Page 29 Comet BXD 2527G-E Pump Exploded View...
- Page 30 Cat 2DX Pump Exploded View...
- Page 31 Cat 3DX Pump Exploded View...
- Page 32 This page has intentionally been left blank.
- Page 33 Any misuse, abuse, alteration or improper installation or operations will void warranty. Determining whether a part is to be replaced or repaired is the sole decision of NorthStar. NOTE: Some services performed by parties other than NorthStar may void warranty.
- Page 34 ® Manufactured by Northern Tool + Equipment Co., 2800 SouthCross Drive West P.O. Box 1499 Burnsville, MN 55337-0499...
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