WAGNER GA 2800EA, Руководство по эксплуатации

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GA 2800EA, GA 2805EA
OPERATING MANUAL
EDITION 12/2008 PART NO. DOC350731
7
TROUBLESHOOTING AND MAINTENANCE
Problem Cause Solution
Insuffi cient
material output • Nozzle too small • Select larger nozzle (see chapter
9.1)
• Material pressure too low • Increase material pressure
• Material viscosity too high • Thin material in accordance with
the manufacturers instructions
• Filter in material supply
clogged
• Clean or replace fi lter
• Nozzle is clogged • Clean or replace nozzle
• Union screw is screwed in
too far.
• Turn union screw anticlockwise
Poor spray
pattern • Wrongly adjusted atomizing
air and / or fan air
• Readjust the atomizing air or fan
air
• Nozzle too large • Select smaller nozzle (see chapter
9.1)
• Material viscosity too high • Thin material acc. to manufacturers
instruction.
• Material pressure too high • Reduce material pressure
• Damaged nozzle • Replace nozzle
• Damaged electrode • See chapter 8.4 for repairs
Leaking air valve • Damaged seals on the valve
rod
• Exchange seals (see chapter 8.3)
• Sealing screw loose • Tighten sealing screw
Poor wrap round
or electrostatic
effect • Poor earthing at object • Check earthing of object or
hanger with ohmmeter
• Paint resistance too high /
to low
• Check resistance of paint in
accordance with paragraph 4.1.1
• Spraying pressure too high • Adjust spraying pressure
Back spraying • Object not earthed • Check earthing
• Distance between spray gun
and work piece too large
• Reduce distance between spray
gun and work piece