FUSION AP - TROUBLESHOOTING
Contents
1. 29 Damaged side seal o rings 18d Replace page 29 18e Tightened air cap with fluid valves Close valves first 12b open Fluid mist from mix chamber or air Damaged side seals 18c Replace page 29 cap Damaged side seal o rings 18d Replace page 29 18e Rapid buildup of material on air cap Damaged missing fluid housing Replace page 29 o ring 23 Damaged front o ring 3 Replace page 29 Reduced cleanoff air Damaged front o ring 3 Replace page 29 Excessive cleanoff air when fluid Damaged missing fluid housing Replace page 29 valves are closed and gun Is trig o ring 23 gered Fluid does not shut off when fluid Damaged fluid valves 12b Replace valves are closed Burst of air from muffler when gun is Normal No action required Steady air leakage from muffler Damaged piston o rings 16 17 Air leakage from front air valve Damaged air valve o rings 24 Cannot tighten retaining ring 9 until Air cap 10 assembled before retain Install retaining ring 9 first then air it bottoms out ing ring 9 cap 10 page 302. FUSION AP TROUBLESHOOTING 1 a Follow Pressure Relief Procedure page 15 2 Check all possible problems and causes before before checking or repairing gun disassembling gun To prevent cross contamination of the gun s wetted parts do not interchange A component isocyanate and B component resin parts PROBLEM CAUSE SOLUTION Gun does not fully actuate when trig Safety lock engaged Disengage safety lock page 10 gered Plugged muffler 22 Clean page 20 Damaged air valve o rings 24 Replace page 33 Fluid does not spray when gun is fully Closed fluid valves 12b Open actuated Gun actuates slowly Dirty air valve or damaged o rings__ Clean air valve or replace o rings 24 page 33 Gun delays then actuates abruptly Cured material around side seals Inspect side seals 18c and mix 18 chamber 19 for scratches Replace page 29 Retaining ring 9 not bottomed out Tighten retaining ring until bottomed out Loss of round pattern Dirty mix chamber nozzle Clean page 21 Loss of flat pattern Plugged spray tip Clean in compatible solvent page 18 Replace page 18 Dirty mix chamber nozzle Clean page 21 Leakage between flat tip and mix Tip not seated properly Reassemble page 18 chamber Pressure imbalance 23 Troubleshooting PROBLEM CAUSE SOLUTION A and or B fluid in gun air section Damaged side seals 18c Replace page 29 Damaged mix chamber 19 Replace page
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