20- ENG
D25115
PROBLEM
CAUSE
CORRECTION
No or low
pressure (after
period of nor-
mal use.)
Water leaking
at gun/wand
connection
Water leaking
at pump
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 dam-
aged from freezing.
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 AWSC.
Oil leaking at
pump
1. Oil seals worn. 2. Have replaced by AWSC