44
Self-levelling suspension, A6
The compressor
The compressed air is generated by means of
a single stage piston compressor with
integrated air dryer. In order to avoid oil
contamination of the U-bellows and the dryer
cartridge, the compressor is a so-called dry
running compressor.
Permanently lubricated bearings and a PTFE
(polytetrafluoroethylene) piston ring ensure a
long service life.
The discharge valve N111 and the pneumatic
discharge valve are integrated into the dryer
cartridge housing.
In order to protect the compressor from
overheating, it switches off at excess
temperatures (see Overheating protection
chapter, page 61).
Discharge valve N11
Pneumatic discharge valve
with pressure limiting valve
Non-return valve 3
Air dryer
Non-return valve 1
PTFE piston ring
Suction filter
Discharge filter
Pressure connector
242_013
Non-return valve 2
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