Operating instructions

Following these recommendations will ensure safe spray gun operation and perfor-
mance.
1. Dismantle the gun as described in section 5.5 Retooling the Spray Gun.
2. Clean the air control head and nozzle with a brush dipped in the recommen-
ded cleaning solution.
3. Clean the gun body and all remaining parts with a soft cloth and the recom-
mended cleaning solution.
4. Apply a thin layer of grease to the following parts:
• material control needle
• needle spring
• all sliding parts and bearings.
• The moveable inner parts should be greased at least once a week.
• The springs should at all times be coated with a thin layer of grease.
Use non-acidic, non-resinogenic grease and a brush. The spray gun is then re-
assembled in reverse order.
6.3 Routine Cleaning
It is not always necessary to dismantle the spray gun for cleaning purposes when
paint colour is changed at regular intervals or at the end of a work period (depending,
of course, on the material used).
For routine cleaning purposes please observe the following steps:
1. Fill the clean material pressure tanks with a cleaning solution compatible
with the material used.
2. Start the spray gun (see 5.2 Requirements at the Start and Finish of
Operation).
3. Do not stop the gun until only clear cleaning solution emerges from the
nozzle.
The complete spraying system should stay depressurised until the gun is used again.
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7 Troubleshooting
Warning
Prior to any servicing and repair work the spray gun should be in unpressurised
state, i.e. all control air and atomizing air pressure as well as all material inputs
must be shut off - risk of injury.
Remedy
Clean
Replace; see 5.5 Retooling the
Spray Gun
Remove material needle and
replace spring
Slightly unscrew
Slightly unscrew
Tighten
Replace
Top up material level (see
Manufacturer`s Operating Instr.)
Replace the material filter (see
Manufacturer`s Operating Instr.)
Tighten or replace
Replace
Replace
Slightly unscrew
Clean
Tighten
Cause
Material control needle or nozzle
soiled
Material control needle or nozzle
damaged
Needle spring (item 22) defective
Spring bushing (item 21) is scre-
wed back too fast
Needle gland nut (item 8) turned
too far
Needle gland nut is loosen
Needle packing (item 7) defecti-
ve
Level in material tank too low
Material soiled
Material control nozzle is loose
or damaged
Air cap seal (item 3) is damaged
Valve spring (item 25) or valve
cone (Item 26) damaged
Packing (item 28) is screwed too
tight
Air cap (item 2) soiled
Air cap nut (item 1) is loosen
Fault
Gun is
dripping
Material leaks
behind the
needle pak-
king
Pulsating or
unsteady
spray jet
Gun keeps
blowing in off-
position
Spray jet is
one-side
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