Supplement Airplane Maintenance Manual
Cessna 172 with TAE 125-02-99 / -114
AMM-20-02
Rev. No:
Rev. Date:
Chapter:
Issue:
Issue Date:
Page:
Content:
20-AMM-37-02
3
06.11.2013
1
2
1
25.08.2014
37
VACUUM
37.00
GENERAL
DESCRIPTION
The engine includes a vacuum pump, which is supplying the
following flight instruments with suction air:
•
the artificial horizon
•
the directional gyro and
•
the turn and bank indicator.
The vacuum pump is mounted to the camshaft and works as an
excenter with oildust seal. An inline spring loaded valve limits the
suction pressure and the stream of the volume.
The original suction indicator of the concerned aircraft is used to
indicate the suction pressure.
For adjusting the vacuum system refer to Aircraft manufacturer´s
Service Manual.
Maintenance Practices
1.
General
This maintenance practice provides instructions on ex-
changing the vacuum pump.
2.
Exchanging the vacuum pump
Note:
Please refer to RM-02-02, Chapter 72-30.04 and 72-30.05
respectively.
Содержание Cessna 172
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