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Troubleshooting
312578J 11
Will not spray Cup is empty. Fill cup.
Fluid control valve (8) turned
too far clockwise.
Adjust valve (8) counterclockwise.
Excessive air blowing
back
Loose fluid nozzle (11). Tighten fluid nozzle (11).
Damaged fluid nozzle seal (19). Replace seal (19).
Excessive air leak
behind
trigger.
Worn u-cups/air valve. Repair gun (Kit 289408). Be sure to use
all included parts.
Worn trigger. Replace trigger (part 289140). If leak
persists repair gun (Kit 289408).
Problem Cause Solution