Harbor Freight Tools 93974 - Manual (Page 18)

Page 18
SKU 93974 For technical questions, please call 1-800-444-3353
Troubleshooting
Spray Pattern Diagnosis
The Patterns below resemble symptoms of spray pattern problems. Please refer to the
accompanying possible problems if you are experiencing similar difficulties. The solution
to each problem follows the problem in parentheses.
Problem 1:
1. The Pattern Control Knob (13) or (12a) is partially closed. (Open Pattern Control Knob.)
2. The material is too thick. (Thin material according to the manufacturer’s instructions.)
3. The air pressure is too low. (Increase air pressure within the Maximum PSI (40).)
Problem 2:
1. High air pressure. (Reduce air pressure.)
2. Not enough fluid. (Increase fluid.)
3. Pattern Control Knob (13) or (12a) open too much. (Partially close Pattern Control Knob.)
Problem 3:
1. Air Cap plugged. (Clean the Air Cap.)
2. Air cap loose or dirty seat. (Clean and tighten.)
3. Dried material on fluid tip. (Use a non-metallic point to clean the Air Cap.)
Problem 4:
1. Dirt on one side of the fluid tip. (Clean the fluid tip.)
2. Holes on one side of the Air cap are plugged. (Clean the Air cap with a non-metallic point.)