North Star M157594I - Manual (Page 42)

Maintenance & Repair
42
Inspect and maintain your pressure washer as specified below in order to keep it in safe
and optimal working order. Follow all safety rules and recommended maintenance
instructions.
WARNING
ALWAYS shut off water supply, bleed water pressure, turn off engine and disconnect the
spark plug before cleaning, adjusting, or servicing the pressure washer. After servicing,
make sure all guards and cover shields are replaced before using.
Maintenance Schedule
Item Frequency
Remove dust/debris accumulation As needed
Inspect fuel system Each use
Inspect spray system Each use
Clean water filter Each use
Check tire pressure Each use
Recharge and maintain battery As specified in Battery Manufacturer's
instructions
Perform engine maintenance As specified in Engine Owner's manual
Change pump oil

After first 40 hours of use

Every 3 months or 500 hours of use after that
Maintain burner's fuel filter / water separator

Drain water as needed

Change filter after every 500 hours of use
Descale coil Annually or more frequently as use and
performance require (see instructions)
Inspect and desoot coil if needed Annually
Inspect/clean/adjust electrodes Annually
See detailed instructions for each maintenance item below.
(Note: For end-of-the-season storage instructions, see the "Storage" section of this
manual.)
Maintenance & Repair-Detailed Instructions
Follow safety rules Read and follow these safety rules whenever you will be servicing the
pressure washer:
 Turn off / relieve pressure first. Always turn off pressure washer and
relieve system pressure before inspection or maintenance. Remove spark
plug or spark plug wire to prevent accidental starting.
 Fuel valve off. Turn fuel shut-off valve to OFF position before transporting
or servicing the pressure washer.

Replace guards. Make sure all guards and cover shields are replaced after
servicing the pressure washer.
 Major repair. Major service, including the installation or replacement of
parts, should be performed only by a qualified electrical service technician.
Obtain factory approved parts from Northern Tool Product Support at 1-800-