North Star M157477A Maintenance Mode, Maintenance Schedule, What to Check, What to Do

Maintenance

Maintenance Mode

Before performing any maintenance on the pressure washer, it must be placed in maintenance mode. 1.) Turn off engine.

2.) Turn off water supply.

3.) Squeeze trigger to relieve system pressure.

4.) Unplug spark plug wire from spark plug. (see engine owner’s manual)

Maintenance Schedule

What to Check	When To Check
Inlet Filter	Each Use
Pressure Hose	Each Use

Bolts	Each Use
Engine Oil	See engine
	manual
Pump Oil	Never

What to Do

Visually inspect and clean inlet filter with clear water. Visually inspect pressure hose and hose couplings. Replace hose if any of the following is evident:

hose coupling is damaged, wire mesh is exposed or damaged, hose is permanently kinked or flattened, outer hose cover is blistered or loose.

Tighten any loose bolts.

See engine manual for oil change intervals, see Maintenance section of this manual for oil change instructions.

The pump’s crankcase is sealed; oil changes are not required.

Cleaning/Replacing the Nozzle Orifice 1.) Place pressure washer in

maintenance mode. (see above)

2.) Insert a 2mm hex wrench into orifice and turn counter-clockwise to remove orifice from nozzle.

-To clean orifice, remove any debris and soak in descaling solution to remove hard water deposits.

-To replace orifice, order p/n PD38780 from NorthStar Customer

Service, 1-800-270-0810 3.) Use 2mm hex wrench and turn

clockwise to reinstall orifice.

2mm hex wrench

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