Troubleshooting
310648P 27
Fluid does not shut off when fluid
valves are closed.
Damaged fluid valves (12b). Replace.
Air leakage around fluid housing. Damaged or missing o-ring (20). Replace.
Air leakage from piston safety lock. Damaged or missing o-rings (18). Replace, page 39.
Burst of air from muffler when gun is
triggered.
Nor mal. No action required.
Steady air leakage from muffler. Damaged air valve o-rings (24). Replace, page 41.
Damaged piston o-r ings (16, 19). Replace, page 39.
Air leakage from front air valve. Damaged air valve o-rings (24). Replace, page 41.
Component B (resin) leak from fluid
housing.
Worn rear rod seal. Adjust Rear Rod Seal, page 37.
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
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