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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.
All mechanical equipment, no matter how well designed, will need repairs. A North Star pressure washer is no exception.
At times, a North Star pressure washer may be inoperable because repairs are required. North Star Customer Service
will assist in these repairs as needed, but if an inoperable pressure washer creates a major expense to your business
then we strongly recommend the following:
1. Have someone on staff who is trained in the operation of the pressure washer and is capable of making minor repairs
and performing all preventative maintenance procedures as outlined in the provided manuals.
2. Keep a stock of recommended service parts for maintenance and minor repairs.
Recommended Service Parts List
Following is a list of the service parts we recommend stocking.
Description 157321 157322 157325 157326
0° Nozzle
25302 25302 305280 305280
15° Nozzle
25309 25309 253010 253010
25° Nozzle
253091 253091 253017 253017
45° Nozzle
253024 253024 253025 253025
Steam Nozzle - 305297 - 778945
Pump Oil 4043 22158 4043 22158
Chemical Injector 31934 31934 31934 31934
Spray Gun 2227 2227 2227 2227
30’ Pressure Hose 31911 - 31911 -
50’ Pressure Hose - 31933 - 31933
Pump Seal Kit AAAR1866 CA30453 AAAR2741 CA30453
Pump Valve Kit AAAR1864 CA34052 AAAR1864 CA34052
Pump Inlet Valve
Kit
- CA34668 - CA34668
Electrode Kit RWB5780U RWB5780U RWB5780U RWB5780U
Fuel Pump RWB2460U RWB2460U RWB2460U RWB2460U
Pressure Switch 777656 777656 777656 777656
Pressure Gauge MV32154 MV32154 MV32154 MV32154
Fuel Filter Element RCR12T RCR12T RCR12T RCR12T
Maintenance Mode
Before performing any maintenance on the pressure
washer, it must be placed in maintenance mode.
A.) Turn off water supply
B.) Bleed water from system
C.) Turn off and unplug power cord
Maintenance Schedule
What to Check When To Check What to Do
Fuel Filter 500 hrs Change
Inlet Filter Each Use Clean
Tires Each Use Check Pressure
Hoses Each Use Check for Wear
Bolts Each Use Check for Loose
Bolts