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- Suction hoses for wear.
- Dust leaking from dust conatiner
(2) Abnormally high
media consumption.
Cyclone door open or leaky.
Too fine or too lighweight
media.
Install and adjust supplementary a Vortex cylinder.
Negative pressure to high
Not enought blast media in
circuit.
Check and if necessary refill.
Media metering valve is
adjusted incorrect
A new adjustment is necessary (see 5.4.1).
- Check air supply
- If the static pressure decreases during blasting,
the following components should be checked :
+ moisture separator
+ pressure regulator
+ nozzle
Blocked blast hose or gun /
nozzle.
- Push nozzle against an elastical object (for
example rubber plate) and step on the foot pedal.
- Disassembly hose or gun and cleanse.
- Search after the cause of blockage:
Missing or overfilled screen in the
reclaimer.
Incorrectly adjusted metering valve.
Too heavy blast media.
-remove / change blast or air nozzle
Frequent bridging or blockage in the media
metering valve can be caused by moist blast
media. Following reasons could be possible:
Media was filled moistly remove
Humidity from air supply interconnect
humidifier
Perspiration water caused by sharp drop in
room temperature Make sure, that there
is not too much temperature fluctuation
BNP gun adjusted incorrectly
Adjust gun new –See 5.4.2.
(4) Dust comes out the
blower
Dust collector gasket defective.
See owner manual „Dust collector „
See owner manual „Dust collector „
- Improve grounding of the cabinet.
- In exceptional cases use supplementrary ground
wire between blast gun and cabinet wall
(6) No air and no media
comes out the
nozzle
Door interlocks are not actuated
Adjust pin resp. door fixing bzw. see 5.4.7
Wrong connection of pneumatic
- Only when foot pedal was new installed
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