Craftsman 580.768331 Operator's Manual page 11

• Reconnect thewatersupply, t urnonthewater,and
startthe engine.
• Disengage s afetylatchonthegun.
• Testthe pressure w asher.
O-Ring Maintenance
Through the normal operation of your pressure
washer, the o-rings keep the connections of the hoses
and gun tight and leak-free. They may become worn
or damaged with use. Provided with your pressure
washer is an O-ring Maintenance Kit containing
replacement o-rings, rubber washer and a garden
hose inlet screen.
Parts in the O-Ring Kit Include:
• 1 o-ring, red, (p/n B2726) for the end of the spray
gun connection between gun and nozzle extension.
1 o-ring, blue, (pin B3065) for the inside of the
nozzle extension quick connect.
1 rubber washer, (p/n B2385) for the inside of the
garden hose connector.
1 water inlet screen (p/n B2384) for the garden
hose connector.
O
1 o-ring, yellow, (p/n B2264) for the end of the
high pressure hose.
NOTE: The above two o-rings are close in size.
Please match carefully to assure proper o-ring usage.
To remove a worn or damaged O-Ring:
• Use a small flathead screwdriver to get underneath
the o-ring to gently pry it off.
ENGINE MAINTENANCE
Checking Oil Level
Oil level should be checked prior to each use or at
least every 5 hours of operation. Keep oil level
maintained.
Changing Oil
Change engine oil after the first 5 hours and every
50 hours or annually thereafter. If you are using your
pressure washer under extremely dirty or dusty
conditions, or in extremely hot weather, change oil
every 25 hours.
Change oil while engine is still warm from running, as
follows:
• Remove drain plug from the bottom of engine.
• Drain oil into a suitable container. When crankcase
is empty, replace drain plug in engine.
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