Operating Instructions
Gravity Feed Spray Gun
7
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Troubleshooting Chart (Continued)
Stop using tool immediately if any of the following problems occur. Serious personal injury could occur.
Any repairs or replacements must be done by a Qualified Service Person or Authorized Service Center.
Symptom
Possible Cause(s)
Corrective Action
Air leaking from air cap
without pulling trigger
1 . Sticking air valve stem
1 . Lubricate
2 . Contaminate on air valve or seat
2 . Clean
3 . Worn or damaged air valve or seat
3 . Replace
4 . Broken air valve spring
4 . Replace
5 . Bent valve stem
5 . Replace
Fluid leaking from fluid tip
of pressure feed spray gun
1 . Packing nut too tight
1 . Adjust
2 . Fluid tip worn or damaged
2 . Replace tip and/or needle
3 . Foreign matter on tip
3 . Clean
4 . Fluid needle spring broken
4 . Replace
Excessive overspray
1 . Too high atomization pressure
1 . Reduce pressure
2 . Too far from work surface
2 . Adjust to proper distance
3 . Improper stroking (arcing, gun motion
too fast)
3 . Move at moderate pace, parallel to surface
Will not spray
1 . No pressure at gun
1 . Check air lines
2 . Fluid control not open enough
2 . Open fluid control
3 . Fluid too heavy
3 . Thin fluid or change to pressure feed system
Notes
