Sears 580.768050 - Manual (Page 12)

O-Ring Maintenance
Through the normal operation of your cleaning
system, the o-rings keep the connections of the hoses
and gun tight and leak-4ree. They may become worn
or damaged with use. Provided with your cleaning
system is an o-ring Maintenance Kit containing
replacement o-rings, a rubber washer and a garden
hose inlet screen.
Parts in the 0-Ring Kit hidude:
• 1 O-Ring, red, (p/n B2726) for the end of the
spray gun connection between gun and high/low
spray wand.
2 O-Rings, yellow, (p/n B2264) for the ends of the
high pressure hose.
Note: The above two o-rings are close in size.
Please match carefully to assure proper o-ring
usage.
• 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.
To remove a worn or damaged o-ring:
• Use a small flathead screwdriver to get
underneath the o-ring and pry it off.
ENGINE MAINTENANCE
Maintenance, replacement or repair of the
emission control devices and systems may be
performed by any non-road engine repair
establishment or individual.
Checking Oil Level
Oil level should be checked prior to each use or at
least every eight (8) hours of operation. Keep oil level
maintained.
Changing Engine Oil and Oil RIter
Change oil after first eight (8) hours of operation.
Change oil & oil filter every fifty (50) hours thereafter.
If you are using your cleaning system under
extremely dirty or dusty conditions, or in extremely hot
weather, change oil more often.
Chaige oil while engine is stiH warm from running, as
folkwre: '
■ Clean area around oil drain plug.
• Remove oil drain plug and oil fill plug and drain oil
completely into a suitable container.
When oil has completely drained. Install oil drain
plug and tighten securely.
Place a suitable container beneath the oil fitter and
turn filter counterclockwise to remove. Discard
according to local regulations.
Coat gasket of new filter with engine oil. turn filter
clockwise untii gasket contacts tightly with filter
adapter. Then tighten an additional 3/4 turn.
Fill oil sump with recommended oil. (See ‘Before
Starling the Engine" on page 8 for oil
recommendations)
Install the oil fill plug and tighten securely.
Wipe up any spilled oil.
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