
26
GM 1-350/530
OPERATING MANUAL
VERSION 02/2015
ORDER NUMBER DOC2349369
Functional fault
Cause
Remedy
See Chapter
Insuffi
cient product
output.
Nozzle too small.
Select larger nozzle.
12
Product pressure too low.
Increase product pressure.
Spray gun fi lter or high-pressure
fi lter clogged at pump.
Clean or replace fi lter.
8.4
Nozzle is clogged.
Nozzle cleaning.
7.3.4/7.3.5
The valve rod path is too short.
Replace the valve rod.
See service
manual
Poor spray pattern
Nozzle worn.
Replace nozzle.
7.3.3
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.
7.3.4 / 7.3.5
Valve rod leaks
The seals on the valve rod are
damaged or the valve rod itself
is damaged.
Completely replace valve rod.
See service
manual
Gun will not shut off
correctly
The valve seat or the valve ball
is damaged.
Completely replace valve rod.
See service
manual
9
TROUBLESHOOTING AND RECTIFICATION
10
REPAIR WORK
10.1
REPAIR STAFF
Repair work must be carried out carefully by qualifi ed and trained staff . They should be
informed of specifi c hazards during their training. The repairs must be carried out in
accordance with the corresponding service manual.
The following hazards may arise during repair work:
- Health hazard from inhaling solvent vapors
- Use of unsuitable tools and aids
A skilled person must ensure that the device is checked for being in a reliable state after
repair work is completed.
11
DISPOSAL
When the equipment must be scrapped, please diff erentiate the disposal of the waste
materials.
The following materials have been used:
Stainless steel
Aluminum
Plastics
Carbide
Consumable products (lacquers, adhesives, fl ushing and cleaning agents) must be
disposed of in accordance with all applicable legal requirements.