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PROBLEM
CAUSE
No or low
pressure (after
period of nor-
mal use.)
Water leaking
at gun/wand
connection
Water leaking
at pump
Pump Pulsates
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.
Nozzle obstructed.
CORRECTION
1.
Have replaced by AWSC.
2.
Have replaced by AWSC.
3.
Have replaced byAWSC.
1.
Check and replace.
2.
Tighten.
1.
Tighten.
2.
Have replaced by AWSC.
3.
Have replaced by AWSC.
4.
Have replaced by AWSC.
See Spray Wand paragraph
in the Maintenance
section
for the correct procedure.
A04S4e
20- ENG
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