TM 9-2330-381-14
2-22.
OPERATING FRONT SUPPORT LEGS (CONT)
b. To lower front support legs, proceed as follows:
(1) Start and run APU (para. 2-16).
(2) Pull out suspension shut-off valve (para. 2-6) to ADJUST position, making sure valve handle is pulled outward
as far as possible.
(3) Raise platform (para. 2-19) until top edge of platform is 43 inches (109 cm) or higher.
(4) Open and remove linch pin (1) from retaining pin (2).
(5) Rotate handcrank (3) clockwise to raise lower support leg (4) sufficiently to relieve tension and permit removal
of retaining pin (2).
(6) Rotate and remove retaining pin (2) and rotate handcrank (3) counterclockwise to lower support leg (4) and
foot (5) toward the ground.
(7) Stop crank rotation when highest (4th) hole in inner support leg (4) alines with hole in outer leg housing (6).
Install retaining pin (2), rotate pin to lock in place, and install linch pin (1).
(8) Repeat steps (4) thru (7) of this procedure to lower other front support leg.
(9) Lower platform (para. 2-19) firmly onto front support legs to support platform.
(10) If no other adjustments are required, push in suspension shut-off valve handle (para. 2-6) as far as possible to
SHUT-OFF position.
(11) Shut down APU (para. 2-16).
c. To raise front support leg, proceed as follows:
(1) Start and run APU (para. 2-16).
(2) Pull out suspension shut-off valve (para. 2-6) to ADJUST position, making sure valve handle is pulled outward
as far as possible.
(3) Raise platform (para. 2-19) until bottom edge of platform is 43 inches (109 cm) or higher.
(4) Rotate handcrank (3) clockwise to raise support leg foot (6) sufficiently to permit removal of linch pin (1) and
retaining pin (2).
(5) Rotate and remove retaining pin (2) and rotate handcrank (3) clockwise to raise support leg (4) and foot (5).
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