Fault
Possible cause
Remedy
8. Gelled or hardened
material in the air chan
-
nels.
➤
Air in the material hoses.
➤
Vent the material supply.
➤
Misguided material in the
spray gun due to leaks
from the press seal, the
O-ring and the internal O-
ring on the press piece.
➤
Replace the press seal, O-ring
and internal O-ring on the press
piece on one or both components.
➤
The nozzle is clogged
due to lack of purge air.
➤
Clean or replace the nozzle.
9. Material escaping from
the housing.
➤
The external O-ring on
the press piece of one/
both component(s) is
leaking.
➤
Replace the external O-ring
on the press piece of one/both
component(s).
10. Material escaping
between the gun body
and the manifold.
➤
The O-ring on the sieve
housing on one/both
component(s) damaged.
➤
Replace the O-ring on the
sieve housing on one/both
component(s).
➤
Screw to fasten the mani-
fold is loose.
➤
Tighten up the screw to fasten the
manifold.
11. Material continues
to escape when the
compressed air supply
is interrupted.
➤
The compressed air shut-
off valve is closed with
the trigger pulled.
➤
Close the material shut-off valves.
➤
The control piston does
not return to the closed
position.
➤
Replace the spring in the handle.
12. Material flows when the
material shut-off valves
are closed.
➤
The material shut-off
valves of one/both
component(s) defective.
➤
Replace the material shut-off
valves of one/both component(s).
13. Pressure loss at the air
outlet or the muffler.
➤
Mixing chamber clogged.
➤
Clean or replace the mixing cham
-
ber.
➤
Spring and/or O-ring in
the gun handle is defec
-
tive.
➤
Replace the spring and/or O-ring.
➤
Guide ring(s) in the gun
body damaged.
➤
Replace the guide ring(s) in the
gun body.
14.
Air escaping between
the pressure body and
gun handle.
➤
Seal in the housing is
defective.
➤
Replace the seal.
➤
Guide rings damaged.
➤
Replace the guide rings.
15. Purge air too low.
➤
Compressed air supply
too low.
➤
Check the compressed air supply
and increase if necessary.
➤
Air channels blocked up.
➤
Clean the air channels.
Malfunctions and troubleshooting
8-2
Translation of the original operating manual
•1306Rev03_550014_PUGUN4040_en•ski
Содержание PUGUN 4040
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