North Star M157594I - Manual (Page 43)

Maintenance & Repair
43
270-0810.

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 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.
CAUTION: Do not spray pressure washer with a garden hose or
pressure washer. Water may enter the pressure washer and cause
damage.
Inspect fuel
system(s) Inspect the fuel systems (of both engine and burner) and check for leaks
before each use.
Do not start pressure washer until all needed repairs have been completed.
WARNING : Fuel leak hazard
Gasoline and burner fuel are highly explosive and fuel leaks can
result in fire or explosions. You can be burned and seriously injured
if the fuel system is not properly hooked up or there is a fuel leak
when you start the engine.
Inspect the entire fuel system, for both engine and burner. Look for:
 signs of leaks or deterioration,
 chafed or spongy fuel hose,
 loose connections,
 loose or missing fuel hose clamps,
 damaged fuel tank, or
 defective gasoline shut-off valve.
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.
WARNING: High pressure fluid injection hazard
High pressure fluid discharge from leaks (even pin-sized) or
ruptured components can pierce skin and inject fluid into the body.
Injection injury can result in blood poisoning and/or severe tissue
damage leading to infection, gangrene, and possibly amputation.
 Never use a finger or skin to check for leaks.

Never operate machine with damaged or missing hoses/parts.

Never attempt to repair a high-pressure hose or component –
Always replace it with a part that is rated at or above the
pressure rating of this machine.
1) Check hoses, fittings, wand, trigger gun and connections for signs of
wear, cracks, looseness, or leaks. Replace as required.
2) Check and clean the nozzle orifice.