T-45C TS, ADV & IUT ENG-09
Hydraulic System
b.
Aft fuselage (right side)
Sg 2, fr 16
Fig 6: HYD 1 Filter
Indicator
(1) HYD 1 filter indicators
(a) Two indicators, forward one for pres-
sure line and aft one for return line
(b) Service required when red band visible
NOTE: The indicator protrudes (pops
out), exposing the red band, when the
filter is clogged and the internal bypass
valve opens.
NOTE: Indicators occasionally pop out
due to pressure fluctuations or g forces
encountered during hard landings.
FILTER INDICATOR
Metal Button
Red Edge
Figure 6: HYD 1 FILTER INDICATOR
Page 9-15
(9-98) Original
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