Troubleshooting (continued) – Harbor Freight Tools Heavy Duty Air Paint Spray Gun 97855 User Manual
Page 15

SKU 97855
For technical questions, please call 1-800-444-3353.
Page 15
Troubleshooting (continued)
Problem
Cause
Solution
Sputtering Spray
1. Low material level
2. Cup tipped too far
3. Clogged Air Vent
4. Loose fluid inlet connections
5. Dry or loose fluid needle Packing
Nut
6. Loose/damaged fluid tip/seat
1. Refill
2. Hold upright
3. Clean vent hole
4. Tighten
5. Lubricate and/or tighten
6. Adjust or replace
Will Not Spray
1. No pressure at gun
2. Fluid control not open enough
3. Fluid too thick
1. Check air hoses
2. Open fluid control
3. Thin fluid or increase pressure
(within Maximum range)
Overspray
1. Improper application speed
2. Improper distance from workpiece
3. Too much pressure
1. Move moderately and parallel
2. Adjust distance
3. Reduce air pressure
Fluid Tip Leakage
1. Dirty tip
2. Tight Packing Nut
3. Broken fluid needle spring
4. Worn or damaged tip
1. Clean
2. Loosen Packing Nut
3. Replace
4. Replace tip and/or needle
Air Leaking from Air
Cap
1. Dirty air valve/seat
2. Sticking air valve
3. Damaged air valve spring
4. Worn/damaged air valve/seat
5. Bent valve stem
1. Clean
2. Lubricate
3. Replace
4. Replace
5. Replace
Fluid Leaking from
Packing Nut
1. Packing Nut loose
2. Packing worn or dry
1. Tighten without restricting
2. Replace or lubricate (non-silicone)