TM 10-3930-675-10-1
PREPARATION FOR TRANSPORT - CONTINUED
0007 00
PLACING BOOM SUPPORT IN TRANSPORT POSITION - CONTINUED
f. Push folding boom support lever to fold boom support SLOWLY until locking pins clear frame.
(1)
For highway or rail transport, lower boom support until it will not fold any more.
(2)
For air transport, lower boom support to 30-degree mark on frame.
BOOM
FRAME
SUPPORT
30-DEGREE
MARK
350-0048
g. Pull locking pin lever to extend boom support locking pins. Install retaining pins to secure in locked position.
h. Close and latch door of remote hydraulic control compartment.
2.
Raise Boom Support.
a. Run RTCH engine at idle.
b. Remove retaining pins from boom support locking pin extensions.
c. Open door of remote hydraulic control compartment.
d. If tophandler is longitudinal, place in operating position.
e. Raise boom about 12 to 13 ft (3.66 to 3.96 m) off the ground and extend to 110 in. (279 cm) on extension screen.
f. Push locking pins lever to retract boom support locking pins.
g. Pull folding boom support lever to raise boom support to upright position.
CAUTION
DO NOT operate locking pin lever and folding boom support lever at the same time. If levers are
operated at the same time, boom support locking pin extensions may shear.
NOTE
Left and right boom support locking pins may not extend at the same time. Keep pulling locking pin
lever until they both extend. Locking pins may also be difficult to extend. It may be necessary to raise
the boom folding support to aid in releasing boom support locking pins.
h. Ensure boom is raised to 19 degrees and extended to 110 in. (279 cm).
i. Pull folding boom support lever to ensure boom support is fully raised.
j. Pull locking pin lever to extend boom support locking pins.
k. Install retaining pin in left and right boom support locking pin extensions.
l. Close and latch door of remote hydraulic control compartment.
0007 00-8
