Troubleshooting And Rectification - WAGNER GM 4700AC Operating Manual

VERSION 06/2014
OPERATING MANUAL
9

TROUBLESHOOTING AND RECTIFICATION

Incorrect maintenance/repair!
Danger to life and damage to the device.
Functional fault
Insuffi cient product
output.
Poor spray pattern
ORDER NUMBER DOC2311730
DANGER
Only a WAGNER service center or a suitably trained person may
carry out repairs and replace parts.
Only repair and replace parts that are listed in the "Spare Parts"
chapter and that are assigned to the device.
Before all work on the device and in the event of work
interruptions:
- Switch off the energy/compressed air supply.
- Relieve the pressure from the spray gun and device.
- Secure the spray gun to prevent actuation.
Observe the operating manual and service manuals at all times
when carrying out work.
Cause
Nozzle too small.
Product pressure too
low.
Gun fi lter or high
pressure fi lter clogged at
pump
Nozzle is clogged.
The valve rod path is too
short.
Atomizing air incorrectly
adjusted.
Nozzle worn.
Product pressure too
low.
The product viscosity is
too high.
The nozzle is partially
clogged.
The drilled holes in the
air cap are damaged or
clogged.
Incorrectly selected air
cap.
Remedy
Select larger nozzle.
Increase product pressure.
Clean or replace fi lter.
Nozzle cleaning
Replace the valve rod.
Readjust the atomizing air.
Replace nozzle.
Increase the product pressure at
pump.
Dilute the spray product
in accordance with the
manufacturer's instructions.
Nozzle cleaning
Clean or replace the air cap.
Insert the correct air cap (solvent
/water based paint).
GM 4700AC
See Chapter
13
8.4
7.3.6
10.4
7.3.1
7.3.4
7.3.5 / 7.3.6
7.3.6
7.3.6 / 13.2
44