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PROBLEM
CAUSE
CORRECTION
No or low
1.
Worn seal or packing.
1.
Have replaced byAWSC.
pressure (after
2.
Worn or obstructed
2.
Have replaced byAWSC.
period of nor-
valves.
mal use.)
3.
Worn unloader piston.
3.
Have replaced by AWSC.
Water leaking
1.
Worn or broken o-ring.
1.
Check and replace.
at gun/wand
connection
2.
Loose hose connection.
2.
Tighten.
Water leaking
1.
Loose connections.
1.
Tighten.
at pump
2.
Piston packings worn.
2.
Have replaced byAWSC.
3.
Worn or broken o-rings.
3.
Have replaced by AWSC.
4.
Pump head or tubes
4.
Have replaced by AWSC.
damaged from freezing.
Pump Pulsates
1.
Nozzle obstructed.
2.
See Spray Wand paragraph
in the Maintenance
section
for the correct procedure.
D28234
20* ENG
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