Ransburg REA Automatic Applicators 77359, 76110, 77140 - Manual (Page 28)

Pattern will not
shape
Pattern heavy at
one end
Extremely heavy
spitting or severely
deformed pattern.
1. Clogged or faulty fan valve remote
fan air line
2. Air passages in applicator or air
feed lines clogged
3. Worn, faulty or clogged air cap
1. Clogged or faulty air cap
2. Clogged or faulty fluid nozzle
1. Wrong air cap/fluid nozzle
combination
2. Timing of fluid on and air on is not
adjusted
1. Clean, replace or repair.
2. Blow out.
3. Clean or replace.
1. Clean or replace.
2. Clean or replace.
1. Ensure proper fluid nozzle/air
nozzle pressure reducer
combinations (see chart).
2. Check programming se-
quence.
General Problem Possible Cause Solution
Air
Fluid
1. Air passages in applicator or air feed
lines clogged
2. Deficient source air
3. Paint in air passage
1. Clogged or faulty fluid nozzle
2. Clogged passages in applicator fluid
tube or fluid feed lines
3. Insufficient needle/electrode travel
4. Low source pressure
5. Clogged fluid filter
6. Clogged or obstructed ball valve or
fluid regulator
1. Blow out.
2. Increase.
3. Clean and blow out.
1. Flush or replace.
2. Flush.
3. Adjust (see “Trigger Nut
Adjustment”).
4. Increase.
5. Clean or replace.
6. Clean as required.
DEFECTIVE DELIVERY
LEAKAGE
Air
Fluid (at rear of
barrel)
Fluid (sight at nozzle
when trigger is
released)
1. Loose or defective fittings
1. Packing, chevron seals and/or
needle /electrode shaft defective
1. Nozzle not secure
2. Trigger valve closing before fluid
nozzle valve
1. Tighten or replace.
1. Tighten needle or replace.
1. Tighten.
2. Check programming
sequence.
DEFECTIVE SPRAY PATTERN
TROUBLESHOOTING GUIDE
Ransburg
REA Automatic Applicators - Maintenance
24 AA-99-02.5