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Analysis and troubleshooting
7-1
Problems and repair of the vacuum system
Fault
The vacuum pump does not
pump air.
20
Cause
The pump is not running yet.
The vacuum chamber cover is
not closed.
The time relay of the vacuum
pump is damaged.
The valve connecting the pump
to the vacuum chamber is off.
Solution
See table 7-3
Push with force
Replace
See table 7-2