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TB20 MAINTENANCE MANUAL 77 发动机指示 TB20飞机维护手册(3)

时间:2011-11-12 05:11来源:蓝天飞行翻译 作者:航空
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C. Tachometer control
The tachometer control links the power plant and the tachometer indicator ; it transmits the rotation movement of the power plant tachometer connector to the indicator. It is composed of a sheath in which a cable, with a square section at the end, is driven by the tachometer connector. Each of its terminations has a threaded end.
II D. Manifold pressure filter
Located on the pipe which links the indicator and the pressure inlet, this element filters the air arriving at the manifold pressure indicator.
I ABAB
Validity : S / N 1 — 822, 850 — 887, 889 — 947 77-10-00 (FA) Page 1
JUL 99
 
Power — Location of components
Figure 1
I ABAB
Validity : S / N 1 — 822, 850 — 887, 889 — 947 77-10 00 (FA) Page 2 JUL 99
 
POWER
DESCRIPTION AND OPERATION
1. GENERAL
I This section deals with the engine indicators which give indications, either directly or indirectly, on engine
operation.
The main elements are :
— tachometer indicator,
— manifold pressure indicator,
— tachometer sensor,
— manifold pressure filter. 1 2. LOCATION (Figure 1)
COMPONENT QTY AREA ACCESS DOOR REFERENCE
Tachometer indicator 1 200 / 77-10-00
Manifold pressure indicator 1 200 / 77-10-00
Tachometer sensor 1 100 121 77-10-01
Manifold pressure filter 1 100 121 77-10-02

II 3. DESCRIPTION
A. Tachometer indicator
Located on the instrument panel, this element receives information from the tachometer sensor and transmits information relative to the engine rotation speed to the pilot.
It is supplied by bus 1 bar.
B. Manifold pressure indicator
The dual indicator is located on the instrument panel. It is linked by a pipe to the pressure inlet which is connected to the R.H. rear cylinder and transmits all the changes of pressure to the pilot.
1 C. Tachometer sensor
Located on the upper part of the engine at the starter ring, it senses the rotation speed of the latter and transmits the information to the tachometer indicator.
It is supplied by bus 1 bar. • D. Manifold pressure filter
Located on the pipe which links the indicator and the pressure inlet, this element filters the air arriving at the manifold pressure indicator.
I ACAA
Validity : S / N 823 — 849, 888, 948 — 9999 77-10-00 (GA) Page 1
JUL 99
 
Power — Location of components
Figure 1
I ACAA
Validity : S / N 823 — 849, 888, 948 — 9999 77-10-00 (GA) Page 2 JUL 99
 
TACHOMETER
MAINTENANCE PRACTICES
1 1. SERVICING — TACHOMETER SENSOR None
 
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