North Star M157305H Maintenance Instructions, Safety Relief II. High Temperature Limit

Safety Features

I.) Safety Relief II.) High Temperature Limit

The safety relief valve is a backup safety feature. If the unloader malfunctions, the safety relief valve will open

Safety

Relief

High Temp.

Limit

00789

and relieve system pressure.

00790

WARNING: If the safety relief valve ever discharges water, turn the unit off and do not use the machine. See a dealer or call Customer Service at 1-800-270-0810.

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.

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

13