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 TM 55-1925-204-12
1.
Gage, fuel oil pressure
5.
Pyrometer
2.
Gage, lube oil pressure
6.
Tachometer
3.
Gage, air pressure
7.
Panel, instrument
4.
Gage, water pressure
Figure 4-16. Instrument panel.
(2) Cleaning. Wash the gage carefully
c Water, Oil and Air Pressure Gages. Repeat the
with a cloth dampened in clean fuel oil and wipe dry.
procedures in subparagraph b. above for the water, oil,
(3) Test. Use available test equipment to
and air pressure gages (2, 3, and 4, fig. 4-16).
d. Tachometer Indicator.
verify pressure accuracy. Replace a defective fuel
pressure gage.
(1) Removal.
(4) Installation. Install by reversing the
(a) Disconnect tachometer drive.
procedures in step (1) above.
(b) Remove
capscrews
then
lift
tachometer (6) from the instrument panel (7).
(2) Cleaning. Blow away dirt with ships service
air.
4-29
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