WARNING: Do not alter the unloader valve’s maximum pressure. Excess pressures could cause serious injury and/or pump damage. Any alteration other than turning the adjustment knob will void your warranty.
To Stop
1.If detergents were used, draw clean water through the detergent inlet line to purge detergent. Failure to do so may clog the chemical injector.
2.Turn the pump switch OFF.
3.Turn OFF the water supply.
4.Squeeze the trigger to relieve the system pressure.
Maintenance Instructions
WARNING: Unauthorized machine modification or use of
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 | Part Number |
Nozzle 5 Pack (157303) | 778197 |
Nozzle 5 Pack (157304) | 778281 |
30784 | |
Pump Oil | 4043 |
Chemical Injector | 31935 |
Spray Gun | 319153 |
50’ Pressure Hose | 32276 |
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.) Disconnect power by unplugging power cord and/or flipping circuit breaker OFF.
Maintenance Schedule
What to Check | When To Check | What to Do |
Inlet Filter | Each Use | Clean |
Hoses | Each Use | Check for Wear |
Bolts | Each Use | Check for Loose |
|
| Bolts |
Cleaning The Inlet Filter
WARNING: Check whether dangerous chemicals have been used, and take precautions when handling filters.
A.) Unscrew inlet filter cap
B.) Remove Inlet filter
C.) Run water though to clean filter
Checking the Hoses
WARNING: Do not use a finger or skin to check for 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.
A.) Check all hoses for leaks
B.) Check all hoses of worn areas
Good
Bad
Water Leak
Wire Mesh | Bad |
00426 |
10
