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Air compressor / General system
Troubleshooting flowchart, air compressor
B
Faults
05.11.2001
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a
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Docu-No.
Index
Date
Version
Page
Troubleshooting flowchart, air compressor
Air compressor filling time is too long
Text-module
Air compressor filling time is
too long
I
Is the pressure regulator cut-
out pressure reached? To
check, connect test pressure
gauge to storage tank coupling
head (red) and compare with
display on A007-display unit.
Cut-out pressure is reached
I
Check air compressor for leaks in
braked and unbraked mode
Leak found
Repair leak(s)
I
I
No leak
Filling time still too long
I
Yes
Dirt in pressure regulator
I
Check air compressor and fit new
one if necessary
Check condition of pressure regu-
lator.
- Remove pressure pipes from air
compressor to pressure regula-
tor, check that they are clear, fit
new ones if necessary
I
Filling time still too long
Yes
I
Check air compressor and fit new
one if necessary
Cut-out pressure is not rea-
ched
I
Leaks in pressure regulator in fil-
ling phase at vent point
No
Check brake system for leaks in
braked and unbraked mode
Yes
I
Fit new pressure regulator
I
Filling time still too long
Yes
I
Check brake system for leaks in
braked and unbraked mode