Craftsman 919.769010 Owner's Manual page 16

PROBLEM
No or low pressure (after
period of normal use.)
Water leaking at gun/wand
connection
Water leaking at pump
Oil leaking at pump
CAUSE
1. Worn seal or packing.
2. Worn or obstructed valves.
3. Worn unloader piston.
1. Worn or broken o-ring.
2. Loose hose connection.
1. Loose connections.
2. Piston packings worn.
3. Worn or broken o-rings.
4. Pump head or tubes damaged from
freezing.
1. Oil seals worn.
2. Loose drain plug.
3. Worn drain plug, o-ring
4. Worn fill plug o-ring.
5. Pump overfilled.
6. Incorrect oil used.
7. Vent plug is clogged.
CORRECTION
1. Have replaced by AWSC.
2. Have replaced by AWSC.
3. Have replaced by AWSC.
1. Check and replace.
2. Tighten.
1. Tighten.
2. Have replaced by AWSC.
3. Have replaced by AWSC.
4. Have replaced by AVVSC.
1. Have replaced by AWSC.
2. Tighten.
3. Check and replace.
4. Check and replace.
5. Check for correct amount.
6. Drain and fill with correct amount and type of
oil.
7. Clean vent plug; blow air through it to
remove any blockage. If problem persists,
replace plug.
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