HYDRAULICS
Operation
Aircraft Operations Manual
10.2
PAGE
3
Apr 01/15
3.
ABNORMAL OPERATION
For Abnormal Operation, also see section 23, ABNORMAL PROCED-
URES.
CONDITIONS
ABNORMAL PROCEDURES
3.1
HYDRAULIC
PRESSURE
HIGH
INDICATIONS
−
Hydraulic pressure above 3 000 psi on all four hydraulic pressure indica-
tors.
The hydraulic system pressure relief valve will open at 3 750 psi (in main sys-
tem). If the hydraulic pump is allowed to operate with relief valve controlling
pressure, hydraulic overtemperature will result.
NOTE
ACTIONS
1.
HYDR PUMP switch
OFF
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.
Hydraulic pressure
MONITOR
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
If pressure approaches low end of green arc when operating any hydraulic
subsystem.
3.
HYDR PUMP switch
HOLD IN OVRD
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
−
Operate pump in OVRD until pressure in affected system reaches top end
of green arc. Then return switch to OFF.
4.
End of procedure.