Supplement Airplane Maintenance Manual
Cessna 172 with TAE 125-02-99 / -114
AMM-20-02
Chapter:
Issue:
Issue Date:
Page:
Content:
20-AMM-61-02
3
06.11.2013
6
6
Rev. No:
Rev. Date:
1
25.08.2014
2.
Calibrating the CSU
A.
Calibrate the CSU
(1)
Install a manometer between gear pump and mi-
cro filter
(2)
Loose the nut at pressure relief valve with a 25
mm wrench
(3)
Check the pressure which is indicated at the ma-
nometer
(4)
If the pressure is not 20 bar ± 2 bar (290 psi ± 29
psi), turn screw at pressure relief valve with a 10
mm wrench until this value is reached.
(5)
Tighten the nut with a 10 mm wrench.
Torque:
10 Nm (7.4 lbf
.
ft).
Note:
The calibration of the CSU will be done by the engine
manufacturer. If calibration is necessary by authorized
maintenance, proceed at a gear box temperature of 50°C as
follows:
Note:
The propeller pitch limits will be set by the propeller manufac-
turer.
Содержание Cessna 172
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