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13
Troubleshooting
Spray Patterns
Problem
Tails
Heavy centered pattern
Distorted pattern
Pattern expanding and
contracting (Surge)
Cause
1. Inadequate fluid delivery
2. Fluid not atomizing
3. Insufficient velocity
4. Material too cohesive
5. Tip worn past pump capacity
1. Worn tip
2. Tip may be chipped
1. Plugged, worn or chipped tip
1. Leak in suction tube
2. Not enough hose
3. Tip too large or worn
Solution
1. Increase pressure
2. Change to smaller tip
3. Clean gun and pump filters
4. Reduce viscosity
5. Replace
1. Replace
2. Replace
1. Clean or replace
1. Tighten
2. Use a minimum of 50' (15m) of 1/4" high
pressure hose
3. Replace with a new or smaller tip
