PowrTwin Plus 27
GB
Troubleshooting
Problem
A. Tails
B. Hour glass
C. Distorted
D. Pattern expanding and
contracting (surge)
E. Round pattern
Cause
1. Inadequate uid delivery
1. Inadequate uid delivery
1. Plugged or worn nozzle tip
1. Suction leak
2. Pulsating uid delivery
1. Worn tip
2. Fluid too heavy for tip
Solution
1. Fluid not atomizing correctly:
Increase uid pressure. Change to smaller tip orice size.
Reduce uid viscosity. Reduce hose length. Clean gun
and lter(s). Reduce number of guns using pump.
1. Same as above.
1. Clean or replace nozzle tip.
1. Inspect for suction hose leak.
2. Change to a smaller tip orice size. Install pulsation
dampener in system or drain existing one. Reduce
number of guns using pump. Remove restrictions in
system; clean tip screen if lter is used.
1. Replace tip.
2. Increase pressure. Thin material. Change nozzle tip.
7.4 Spray Patterns
