Troubleshooting And Rectification - WAGNER GA 4000ACIC-R Translation Of The Original Operating Manual

VERSION 06/2013
OPERATING MANUAL
8

TROUBLESHOOTING AND RECTIFICATION

Functional fault
Insuffi cient product
output.
Poor spray pattern.
Air valve leaking / air
leaks.
Packing leaking.
Spray gun will not shut-
off correctly / product
valve leaking.
ORDER NUMBER DOC 2312956
Cause
Nozzle too small.
Product pressure too low.
Filter upstream of gun or high pressure
fi lter clogged at pump.
Nozzle is clogged.
The valve rod path is too short.
Wrongly set atomizing air.
The nozzle is too large.
Product pressure too low.
The product viscosity is too high.
The nozzle is partially clogged.
Incorrectly set shaping air.
The drilled holes in the air cap are
damaged or clogged.
Incorrectly selected air cap.
Air valve seals are leaky.
Packing worn.
The valve seat or the valve ball is
damaged.
Remedy
Select larger nozzle (see chapter 10.1).
Increase product pressure.
Clean or replace fi lter.
Nozzle cleaning (see chapter 7.5).
Increase the control air pressure.
Replace the valve rod.
Reset atomizing air (see chapter 7.1).
Select a smaller nozzle
(see chapter 10.1).
Increase the product pressure at pump.
Thin product in accordance with the
manufacturer's instructions.
Nozzle cleaning (see chapter 7.5).
Reset shaping air.
Clean or replace the air cap.
Use suitable air cap
(high viscosity/low viscosity).
Replace air valve seal (see chapter 9.3).
Insert a new packing.
Replace the parts.
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