Nozzle Maintenance; O-Ring Maintenance; Pump Maintenance; Changing Pump Oil - Craftsman 580.752700 Owner's Manual

Nozzle Maintenance
A pulsing sensation felt while squeezing the spray gun
trigger may be caused by excessive pump pressure.
The principal cause of excessive pump pressure is a
spray tip clogged or restricted with foreign materials,
such as dirt, etc. To correct the problem, immediately
clean the spray tip following these instructions:
1. Shut off engine and turn off water supply.
2. Remove spray tip from end of nozzle extension.
3. Remove in-line filter from other end of nozzle
extension.
.
Use a small paper clip to free any foreign material
clogging or restricting spray tip.
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to remove
debris.
5. Using a garden hose, remove additional debris by
back flushing water through nozzle extension.
Back flush between 30 to 60 seconds.
Pump Maintenance
Changing Pump Oil
Change oil every 50 hours or once yeady, whichever
occurs first.
NOTE: You must purchase a premeasured bottle of
pump oil, item number 190586GS, 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.
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Oil Cap
6. Reinstall spray tip and in-line filter into nozzle
extension.
7. Reconnect nozzle extension to spray gun.
8. Reconnect water supply, turn on water, and start
engine.
9. Test pressure washer by operating with each
Quick Connect spray tips.
O-Ring Maintenance
Purchase an (;:)-Ring Repair Kit, item number 71-75116,
at your local Sears or by calling 1-800-366-PART or
online at v,^,uw.sears.com. It is not included with the
cleaning system. This kit includes replacement o-dngs,
rubber washer and water inlet filter. Refer to the
instruction sheet provided in the kit to service your unit's
o-rings.
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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