LANDING GEAR
Description
Aircraft Operations Manual
13.1
PAGE
10
Apr 01/15
A10009
A
A
HAND PUMP AND EMER-
GENCY
EXTENSION CONTROLS
INBD
BK ACC
FLAPS
LDG
GR
OUTBD
BK
ACC
Hand pump
Provides hydraulic pressure to operate flaps,
brakes and landing gear. Operated by a detach-
able handle, stowed on the right rear cockpit
wall.
Hand pump selector
Directs hand pump pressure to the systems
served by the hand pump.
−
INBD BK ACC
The inboard brake accumulator is pressurized
by the hand pump.
−
FLAPS LDG GR
The main accumulator is pressurized by the
hand pump.
To operate the flaps the flap handle must be
set to desired flap setting before using the
hand pump.
To extend the landing gear the gear handle
must be in down position.
−
OUTBD BK ACC
The outboard brake accumulator is pressur-
ized by the hand pump.
EMERG LDG handle.
When the emergency extension handle is pulled
emergency accumulator pressure release all
landing gear uplocks and activates the explosive
separation bolts on the Main Landing Gear. Ex-
tension of the gear is by free fall. Gear handle
position has no effect on emergency extension.
However, to get anti
−
skid function and to get
normal indication on the gear handle amber dis-
agreement light the gear handle must be se-
lected down after pulling the handle.
Fig. 5 Hand pump and emergency extension controls
