Maintenance & Repair; Maintenance Schedule Summary; Detailed Instructions - Maintenance & Repair; Follow Safety Rules - North Star 157121 Owner's Manual

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ALWAYS shut off water supply, bleed water pressure, turn off engine, and disconnect the spark plug wire before cleaning,
adjusting, or servicing the pressure washer. After servicing, make sure all guards and cover shields are replaced before
using.
Remove dust/debris accumulation
Inspect fuel system

Inspect spray system

Clean inlet filter
Check engine oil level
Check pump oil level
Perform engine maintenance
Change pump oil
See detailed instructions for each maintenance item below.
(Note: For end-of-the-season storage instructions, see the "Storage" section of this manual.)
No modifications. Never modify or alter the pressure
washer in any way. Modifications can create serious
safety hazards and will also void the warranty.

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 service technician. Obtain factory approved
parts from NorthStar Product Support at 1-800-270-
0810.
Maintenance & Repair
Maintenance Hazards

Maintenance Schedule Summary

Item
Detailed Instructions – Maintenance & Repair
WARNING
As needed
Each use
Each use
Each use
Each use
Each use
As specified in engine Owner's manual
• After first 50 hours of use
• Every 3 months or 500 hours of use after that
Replacement parts. If a part needs replacement, only
use factory approved repair parts. Replacement parts
that do not meet specifications may result in a safety
hazard or poor operation of the pressure washer and
will void the warranty.

Keep Pressure Washer Clean

If dust or debris accumulates on the pressure washer,
clean the pressure washer with a damp cloth or soft
bristle brush. Do not allow air intakes to become
blocked.
Do not spray pressure washer with a garden hose
or pressure washer. Water may enter the
pressure washer and cause damage.
Inspect Spray System
Inspect spray system for damage and leaks before
each use.
Do not start pressure washer until all needed repairs
have been completed.
25
Frequency
CAUITION

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