20- ENG
D28236
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
damaged 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.
1.
Nozzle obstructed.
2.
See Spray Wand paragraph
in the Maintenance section
for the correct procedure.
Pump
Pulsates
Summary of Contents for 919.672101
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