Troubleshooting
12 3A2244A
Pump is difficult to prime
1. Air in pump or hose 1. Check and tighten all fluid connections.
Cycle pump as slowly as possible during
priming.
2. Intake valve is leaking 2. Clean intake valve. Be sure ball seat is not
nicked or worn and that ball seats well.
Reassemble valve.
3. Pump packings are worn 3. Replace pump packings; see pump man-
ual.
4. Paint is too thick 4. Thin the paint according to supplier recom-
mendations.
No display, sprayer oper-
ates
1. Display is damaged or has bad
connection
1. Check connections. Replace display.
TYPE OF PROBLEM
WHAT TO CHECK
If check is OK, go to next check
WHAT TO DO
When check is not OK, refer to this column
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