Troubleshooting
313294D
17
Fluid does not shut off when fluid
valves are closed.
Damaged fluid valves (42b).
Replace.
Air leakage around fluid housing.
Damaged or missing o-ring (49).
Replace.
Air leakage from piston safety lock.
Damaged or missing o-rings (47).
Replace, page 23.
Burst of air from muffler when gun is
triggered.
Normal.
No action required.
Steady air leakage from muffler.
Damaged air valve o-rings (37d).
Replace, page 24.
Damaged piston o-rings (45, 48).
Replace, page 23.
Air leakage from front air valve.
Damaged air valve o-rings (37d).
Replace, page 24.
Component B (resin) leak from fluid
housing.
Worn rear rod seal.
Adjust Rear Rod Seal, page 21.
Cross Contamination of A and B
components.
Worn out mix module.
Replace.
Sealing surface OD not clean.
Clean sealing surface on fluid hous-
ing.
Air leakage from holes on solvent
purge assembly.
Cleanoff air valve open.
Close cleanoff air valve tightly. Clea-
noff air valve should never be open
when using solvent purge gun.
Fluid leakage from holes on solvent
purge assembly.
Mix module nut is only handtight.
Tighten mix module nut 1/12 with
wrench.
PROBLEM
CAUSE
SOLUTION