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Electric Hot Water/Steam Pressure Washer
Instructions for Set-up, Operation, Maintenance & Storage
This pressure washer produces cold or hot water high-pressure spray as well as steam spray. Cleaning chemicals
may be incorporated into the spray if desired. The pressure pump is powered by an electric motor and water is
heated by an open flame burner fueled by diesel/kerosene or fuel-. Read and understand this Owner's Manual
completely before using and keep this manual for review. Failure to properly set up, operate, and maintain could
result in serious injury or death to operator or bystanders.
WARNING: SPECIAL HAZARDS
• Skin/Eye Injury: High-pressure spray can cause serious skin or eye injury, including injection injury if fluid pierces the skin.
Injection injury can result in blood poisoning and/or severe tissue damage.
• Burns: Hot spray can scald and burn skin. Hot surfaces of wand and burner, as well as hot exhaust from the burner can
cause burns.
• Slips/Falls: Spray discharge can cause puddles and slippery surfaces. Spray-gun kickback can cause operator loss of
balance and falls.
• Flying Debris: High-pressure spray can cause surface damage and flying debris.
• Fire/Explosion: Burner sparking can ignite fuel or other flammable liquids or vapors in the vicinity. Hot exhaust from burner
can ignite combustible materials.
• Chemical Exposure: Cleaning chemical vapors or contact with skin may be hazardous.
• Electric shock: Spray contact with electrical sources can cause electric shock.
• Electrocution: Improper connection of the equipment or grounding conductor can result in a risk of electrocution.
• CO Poisoning: Exhaust from burner contains carbon monoxide, a poisonous gas that can cause carbon monoxide poisoning
and possible death if inhaled.
Inspect Upon Delivery: STOP! Closely inspect to make sure no components are missing or damaged. For missing
or damaged components please contact Product Support at 1-800-270-0810.
Check Pump Oil: Pump is shipped with oil. Check pump oil level before starting.
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Remove shipping tape and black vent plug( if present) from pump oil fill cap (CAT Pumps)
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Remove shipping plug and install vented fill cap (Comet Pumps)
Water Flow Requirements: Make sure your supply water flow rate is 20% higher than the pressure washer's flow
rate (3 gal/min preferred), and that your water is clean and particle free.
Chemical Spraying: Use only NorthStar brand or equivalent washer chemicals designed for pressure washer use.
Maintenance Schedule: Pump, burner fuel filter, burner coil and electrodes require periodic checking and servicing
to keep pressure washer functioning efficiently. See "Maintenance & Repair" for frequency of servicing.
Any Questions, Comments, Problems or Parts Orders
Owner's Manual
Equipment Protection Quick Facts
Call NorthStar Product Support 1-800-270-0810
M157305AY.1
ITEM NUMBER: 157305, 157306,
SERIAL NUMBER: _____________
1
157307, 157308
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Related Manuals for North Star M157305AY.1
Summary of Contents for North Star M157305AY.1
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Page 1: Equipment Protection Quick Facts
M157305AY.1 ITEM NUMBER: 157305, 157306, 157307, 157308 SERIAL NUMBER: _____________ Owner’s Manual Electric Hot Water/Steam Pressure Washer Instructions for Set-up, Operation, Maintenance & Storage This pressure washer produces cold or hot water high-pressure spray as well as steam spray. Cleaning chemicals may be incorporated into the spray if desired. -
Page 2: Table Of Contents
Table of Contents Equipment Protection Quick Facts ............................ 1 TABLE OF CONTENTS .............................. 2 ABOUT YOUR PRESSURE WASHER ........................4 SPECIFICATIONS ..............................5 COMPONENT IDENTIFICATION ..........................6 SPECIAL EQUIPMENT SAFETY FEATURES ......................8 High Pressure Safety Device (Rupture Disc) ........................8 Temperature Control Switch ............................. - Page 3 Step 3. Spraying ................................17 Starting ..................................17 Spraying Procedure ............................... 17 Using Chemicals for Cleaning (if desired) ........................17 Hot Spray Procedure..............................18 Step 4. Stopping ................................19 STORAGE ................................19 Between-Use Storage ..............................19 Long-Term Storage Preparation (between infrequent uses and at end of season)............19 Winter Storage Preparation ............................
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Page 4: About Your Pressure Washer
About Your Pressure Washer Thank you for purchasing a NorthStar hot water Site Selection. Pressure washers used while the open pressure washer! It is designed for long life, flame burner is used to heat the water are for dependability, and top performance. OUTDOOR USE ONLY unless specific exhausting guidelines are met. -
Page 5: Specifications
Specifications MODEL Model # 157305 157306 157307 157308 FLOW OUTPUT Pressure Rating 1700 psi 2700 psi 2000 psi 2750 psi Flow Rate 1.5 gpm 2.5 gpm 1.5 gpm 2.5 gpm Maximum Temperature 250 F POWER REQUIREMENTS Dedicated NEMA 5-20R 6-30R 5-20R 6-30R Receptacles... -
Page 6: Component Identification
Component Identification Exhaust Vent: Provides an exit for burner exhaust Fuel Tank: The Burner has an 8.25 gal. fuel tank- gases. kerosene, #1 or #2 diesel, or fuel oil may be used. High Pressure Water Outlet: A passage for water Do not mix fuel types. - Page 7 11. Power Switch: Flip up for on. 18. Garden Hose Water Inlet: Connection point for 12. Thermostat: Controls power to fuel solenoid for standard garden hose. Garden hoses less than firing. 100’ in length must have a minimum inner diameter 13.
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Page 8: Special Equipment Safety Features
Special Equipment Safety Features Pump Thermal Relief Valve This unit is equipped with the following safety features: This valve, on the Unloader bypass port, protects the High Pressure Safety Device (Rupture Disc) pump from overheating. The pump continues to work in Acts as a backup safety feature. -
Page 9: Safety
Safety Hazard Signal Word Definitions This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death. DANGER (red) indicates a hazardous situation, which if DANGER not avoided, will result in death or serious injury. -
Page 10: Safety Decal Locations
Safety Decal Locations ® CHEMICAL NOZZLE STEAM NO ZZLE 0° NOZZLE 15° NO ZZLE 25° NO ZZLE 40° NO ZZLE Ref# Part# Description 305410 Caution, Hot Water... -
Page 11: Assembly And Initial Set-Up
Assembly and Initial Set-Up Step 1. Inspect & Unpack Step 2. Assembly Inspect pressure washer immediately after delivery for Insert nozzles in spaces provided on the control panel. missing parts or damage. Find and separate To install wheels, refer to Figure 6: components identified in Figure 4 and Figure 5. -
Page 12: Step 4. Moving And Handling
Handle (NFPA 70) and to provide additional protection from the risk of electric shock. Note: Before use, your GFCI should be tested at either built-in or receptacle base. 1. For a product rated at 125 volts or less, the GFCI is built into the power cord plug. -
Page 13: Before Each Use
Before Each Use Follow the steps below prior to each use. WARNING: High pressure fluid injection hazard Step 1: Inspect Equipment High-pressure fluid discharge from leaks (even pin- Electrical sized) or ruptured components can pierce skin and inject fluid into the body. Injection injury can result in •... -
Page 14: Filling Burner Fuel Tank (If Heated Water To Be Used)
Filling Burner Fuel Tank (if heated water to Step 3. Select Suitable Worksite Guidelines be used) WARNING: Location hazard WARNING: Flammability hazard You must choose a suitable site for operating your Burner fuels are highly flammable. Turn the machine off pressure washer to avoid equipment damage and/or and allow it to cool for at least 2 minutes before injury and possible death from carbon monoxide... -
Page 15: For Indoor Hot Water/Burner Use
For Indoor Hot Water/Burner Use For more details, refer to NFPA 31: Standard for • Exhaust: the Installation of Oil-Burning Equipment. Hot fumes from burner must be exhausted Chapter 5 provides guidelines on how to ensure • through a hood or piped to the outside. adequate air is provided for safe combustion. -
Page 16: Selecting And Connecting Spray Nozzle
Figure 10 Coupler Turn pressure washer off and depressurize line before connecting a new nozzle. Engage safety latch on spray gun. Connect appropriate nozzle according to “Quick Connect Procedure.” Water outlet or Collar nozzle-type Step 2. Pre-Spraying Procedure connection Safety Rules Figure 9a Prevent slips/loss of balance. -
Page 17: Personal Protective Gear
Personal Protective Gear • Disengage safety latch and start spraying at the top using long, even, side-to-side, overlapping passes. WARNING: High pressure spray hazard • The pressure washer is set and locked to the High-pressure spray can injure eyes/skin. Hot water can maximum rated pressure when it leaves the factory. -
Page 18: Hot Spray Procedure
The special NorthStar braided chemical hose when Chemical Spraying Procedure: placed within a liquid and attached at the pump’s Disengage safety latch and apply chemicals • chemical injection port will inject 1 part chemical to 15 evenly to the cleaning surface working from parts water. -
Page 19: Step 4. Stopping
Step 4. Stopping DANGER: Carbon monoxide poisoning hazard If the heater was used, turn heat switch OFF and run Exhaust fumes from the burner contain carbon cold water through the coil for at least 2 minutes while monoxide (CO), a poisonous gas you cannot see, spraying. -
Page 20: Maintenance & Repair
Maintenance & Repair WARNING: Maintenance hazards ALWAYS shut off water supply, bleed water pressure, turn off motor and unplug electrical cord before cleaning, adjusting, or servicing the pressure washer. After servicing, make sure all guards and cover shields are replaced before using. Follow all safety rules and recommended maintenance instructions. -
Page 21: Clean Inlet Filter For Garden Hose
b. For Cat pumps: Use SAE30 non-detergent oil or Cat Pump Oil Item #22158. Replace oil fill cap. • Drain Burner’s Fuel Filter/Water Separator Good Drain water from burner’s filter bowl as needed. Replace filter after every 500 hours of use or annually. Important: Always empty the burner’s fuel tank •... -
Page 22: Inspect And Clean The Flow Switch As Needed
Attach high-pressure hose(s) to machine’s high- • Cap Fitting pressure water outlet. Do not hook up the spray gun. Place other end of high-pressure hose(s) in the 5- • gallon bucket. Attach a short length of garden hose to garden •... - Page 23 4) Observe the “Shuttle Assembly” and internal 8) Insert the “Shuttle Assembly” with the rounded portion of “Body” for obstructions, hard water end first, into the body. Align with grooves. deposits and any other foreign debris. Remove the foreign debris with light scraping or compressed air.
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Page 24: Inspect Heating Coil And Desoot As Needed
Inspect Heating Coil and Desoot as Needed Inspect and desoot coil annually. Although most coils never require desooting, poor grades of fuel oil or inadequate combustion air will cause heavy soot build- up on the outside surface of the heating coil tubing. These deposits will insulate the coil, which then restricts airflow through the heat exchanger and further aggravates the soot build-up. -
Page 25: Perform Engine Maintenance
NorthStar Product Support will assist in these repairs as needed, but if an inoperable pressure washer creates a major expense to your business, then we Electrodes strongly recommend the following: Have a staff person become familiar with the • mechanical operation of the pressure washer and capable of making minor repairs and performing all preventative maintenance procedures. -
Page 26: Oil Burner Adjustment (Only Needed If White Exhaust Smoke Appears)
Oil Burner Adjustment (only needed if white exhaust smoke appears) Figure 24 The oil burner is preset and performance tested at factory elevation of 1100 feet. Different altitudes may 5. Loosen locking screw and rotate air band closed require a one-time initial burner adjustment. until black smoke appears from burner exhaust vent. -
Page 27: Troubleshooting
Troubleshooting Pressure Washer Will Not Run At All - No Power Causes Solutions Machine turned OFF Turn Pump switch ON Line circuit breaker tripped Check for tripped circuit breaker in building Circuit Breaker Trips Causes Solutions Voltage too low Check the voltage Circuit Breaker Overloaded Make sure there is no other equipment using the same circuit. -
Page 28: Parts Explosion- Rev Ay
Parts Explosion– Rev AY... -
Page 29: Parts List- Rev Ay
Parts List– Rev AY ITEM PART # DESCRIPTION MODEL ITEM PART # DESCRIPTION MODEL 50’ PW Hose Assembly 38525 801084 Hot Water Frame 777914 Quick Couple, 3/8” FPT 799864 Filter, Fuel/Water Separator 777915 Quick Couple Nipple, 3/8” FPT 778295 Turf Tire 791274 Quick Coupler, 1/4”... -
Page 30: Pump Explosions
Pump Explosions ITEM PART # DESCRIPTION MODEL 790693 Comet AXD 1617E GH 157305 790550 Comet AXD 2527GE-NH 157306 792420 Cat 4DX 157307 789205 Cat 4DNX 157308 35918 Thermal Protector, 1/4” 157307, 157308 777837 3/8" Plug 157307, 157308 777411 3/8” Tee 157307, 157308 800985... - Page 31 Comet AXD 1617E GH Pump Exploded View...
- Page 32 Comet AXD 1617E GH Pump Exploded View Part # Description Ref # Part # Description Ref # CO3202001800 CO3200001700 PORT PLUG, AXD COMET PUMP PISTON CHECK VALVE KIT,AXD CO3609001400 SCREW, M8 X 55 CO2409009100 CO3218032700 MANIFOLD CO1210046000 O-RING CO3202001800 CO2409008600 CHECK VALVE O-RING,OIL PLUG - WOBBLE CO1210004900...
- Page 33 Comet AXD 2527GE-NH Pump Exploded View...
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Page 34: Comet Axd 2527Ge-Nh Pump Exploded View
Comet AXD 2527GE-NH Pump Exploded View Part # Description Ref # Part # Description Ref # CO3202001800 CO3200001700 PORT PLUG, AXD COMET PUMP PISTON CHECK VALVE KIT,AXD CO3609001400 SCREW, M8 X 55 CO2409009100 NOT AVAILABLE MANIFOLD CO1210046000 O-RING CO3202001800 CO2409008600 CHECK VALVE O-RING,OIL PLUG - WOBBLE CO1210004900... - Page 35 Cat 4DX Pump Exploded View...
- Page 36 Cat 4DX Pump Exploded View Ref# DESCRIPTION Ref# DESCRIPTION Not Available Screw CA941516 Inlet Fitting Assembly CA547153 Bearing Cover CA30516 Bolt Mount Assembly CA14041 O-Ring, Bearing Cover CA32088 Handle Adjustable (Not Shown) CA55337 Oil Seal CA46570 Adjusting Cap CA14488 Inner Ball Bearing CA45070 Lock Nut CA547048...
- Page 37 Cat 4DNX Pump Exploded View Ref# DESCRIPTION Ref# DESCRIPTION Not Available Screw Not Available Seal Case CA547153 Bearing Cover CA13976 O-Ring for Seal Case CA14041 O-Ring, Bearing Cover Kit #1 Seal CA55337 Oil Seal CA17428 O-Ring, Inlet CA14488 Inner Ball Bearing CA547077 Seat, Inlet CA547048...
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Page 38: Wiring Diagrams
Wiring Diagrams... -
Page 39: Wiring Diagrams
Wiring Diagrams... -
Page 40: Wiring Diagrams
Wiring Diagrams... -
Page 41: Wiring Diagrams
Wiring Diagrams... -
Page 42: 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 43: California Proposition 65 Information
This page has intentionally been left blank. California Proposition 65 Information... - Page 44 WARNING : This product can expose you to chemicals including acetaldehyde, which is known to the State of California to cause cancer, and carbon monoxide, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.