44
GM 4700AC
OPERATING MANUAL
VERSION 06/2014 ORDER NUMBER DOC2311730
Functional fault Cause Remedy See Chapter
Insu cient product
output.
Nozzle too small. Select larger nozzle. 13
Product pressure too
low.
Increase product pressure.
Gun lter or high
pressure lter clogged at
pump
Clean or replace lter. 8.4
Nozzle is clogged. Nozzle cleaning 7.3.6
The valve rod path is too
short.
Replace the valve rod. 10.4
Poor spray pattern Atomizing air incorrectly
adjusted.
Readjust the atomizing air. 7.3.1
Nozzle worn. Replace nozzle. 7.3.4
Product pressure too
low.
Increase the product pressure at
pump.
The product viscosity is
too high.
Dilute the spray product
in accordance with the
manufacturer's instructions.
The nozzle is partially
clogged.
Nozzle cleaning 7.3.5 / 7.3.6
The drilled holes in the
air cap are damaged or
clogged.
Clean or replace the air cap. 7.3.6
Incorrectly selected air
cap.
Insert the correct air cap (solvent
/water based paint).
7.3.6 / 13.2
9 TROUBLESHOOTING AND RECTIFICATION
DANGER
Incorrect maintenance/repair!
Danger to life and damage to the device.
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 o 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.
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