TM 1-1520-238-T-5
782
721.
UTILITY HYDRAULIC SYSTEM MAINTENANCE OPERATIONAL CHECK (cont)
721
Task
Result
e. On pilot instrument panel, check that UTIL
HYD indicator (fig. 738) indicates 3000
PSI.
If UTIL HYD indicator does not indicate 3000 PSI, go
to paragraph 725.
M68-021
UTIL HYD INDICATOR
Figure 738.
Pilot Dual Hydraulic Pressure Indicator
f. On pilot caution/warning panel (fig. 736),
check that UTIL HYD PSI, OIL LOW UTIL
HYD, and OIL BYP UTIL HYD indicators
are not lighted.
If pilot UTIL HYD PSI indicator is lighted, go to
paragraph 726.
If OIL LOW UTIL HYD indicator is lighted, go to
paragraph 727.
If OIL BYP UTIL HYD indicator is lighted, have
assistant manually reset utility hydraulic manifold
pressure and/or return dirty filter indicator (fig. 739).
If indicators are retracted, or if indicators pop up after
manual reset, go to paragraph 728.
RETURN DIRTY
FILTER INDICATOR
PRESSURE DIRTY
FILTER INDICATOR
M68-022
Figure 739.
Utility Hydraulic Manifold