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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 What to Do
Inlet Filter Each Use Visually inspect and clean inlet filter with clear water.
Pressure Hose Each Use
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.
Bolts Each Use Tighten any loose bolts.
Engine Oil See engine
manual
See engine manual for oil change intervals, see Maintenance
section of this manual for oil change instructions.
Pump Oil Never 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