O-Ring Maintenance; Pump Maintenance; Change Pump Oil - Craftsman 580.752600 Owner's Manual

4. Usea small p apercliptofreeanyforeign material
clogging or restricting o rifice.
Insert wire into orifice and turn back
and forth to clear obstruction.
5. Using a garden hose, remove additional debris by
back flushing water through nozzle extension.
Back flush between 30 to 60 seconds. Turn
adjustable nozzle extension to stream spray and
move nozzle from low to high while flushing.
6. Reinstall orifice and in-line filter into nozzle
extension. DO NOT overtighten orifice with allen
wrench.
7. Reconnect nozzle extension to spray gun.
8. Reconnect water supply, turn on water, and start
engine.
9. Test pressure washer by operating with nozzle in
high and low positions.
O-Ring
Maintenance
Purchase an O-Ring Repair Kit, item number 7175116,
at your local Sears or by calling 1-800-366-PART or
online at www.sears.com. It is not included with the
pressure washer. This kit includes replacement o-rings,
rubber washer and water inlet filter. Refer to the
instruction sheet provided in the kit to service your unit's
o-rings.
Pump Maintenance
Changing Pump Oil
Change oil every 50 hours or once yearly, whichever
occurs first.
NOTE: You must purchase a premeasured bottle of
pump oil, item number 190585GS, by calling
1-800-366-PART or online at www.sears.com.
Change pump oil as follows:
1. Drain engine oil and fuel from pressure washer.
2. Use a 8mm allen wrench to remove black pump
oil cap between high pressure outlet and garden
hose inlet.
Oil Cap
3. Tilt pressure washer to drain oil into an approved
container until it drips slowly from pump.
4. Tilt pressure washer in opposite direction and
empty premeasured pump oil bottle into same
opening (a small funnel may be helpful).
5. Install black pump oil cap and tighten firmly.
6. Set pressure washer in upright position. Add fuel
and engine oil.
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