Harbor Freight Tools 93974 - Manual (Page 19)

Page 19
SKU 93974 For technical questions, please call 1-800-444-3353
Troubleshooting (continued)
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. No pressure at gun
2. Fluid control not open enough
3. Fluid too thick
1. Improper application speed
2. Improper distance from workpiece
3. Too much pressure
1. Dirty tip
2. Tight Packing Nut
3. Broken fluid needle spring
4. Worn or damaged tip
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. Packing Nut loose
2. Packing worn or dry
Sputtering Spray
Will Not Spray
Overspray
Fluid Tip Leakage
Air Leaking from
Air Cap
Fluid Leaking from
Packing Nut
1. Refill
2. Hold upright
3. Clean vent hole
4. Tighten
5. Lubricate and/or tighten
6. Adjust or replace
1. Check air hoses
2. Open fluid control
3. Thin fluid or increase pressure
(within Maximum range)
1. Move moderately and parallel
2. Adjust distance
3. Reduce air pressure
1. Clean
2. Loosen Packing Nut
3. Replace
4. Replace tip and/or needle
1. Clean
2. Lubricate
3. Replace
4. Replace
5. Replace
1. Tighten without restricting
2. Replace or lubricate (non-silicone)
Problem Cause Solution