TM 5-5420-280-10
0020 00
BRIDGE RETRIEVAL (Contd)
10.
R1-M-UNLOCK LAUNCH BOOM AND UNLOCK AND LOWER SUPPORT
CYLINDERS as follows:
WARNING
Operators must stand clear while lowering
supporting cylinders. Failure to comply may result in
injury to personnel.
NOTE
Operator and assistant will unlock, lower, and lock
supporting cylinders simultaneously to decrease
retrieval time. Steps a through f are performed the
same way for right and left supporting cylinders.
a.
Remove winch ratchet from pallet toolbox and install on ratchet wheel (2).
b.
Remove retaining pin (4) from pallet frame bracket (5).
c.
Turn winch ratchet wheel (2) to the right to remove tension from
retaining pin (6), and remove retaining pin (6) from winch clevis (7) and
supporting cylinder bracket (5).
d.
Using ratchet, slowly turn ratchet wheel (2) to the left and lower
supporting cylinder (1).
e.
Lock supporting cylinder (1) by installing retaining pin (4) on
supporting cylinder (1) and pallet frame bracket (3).
f.
Install retaining pin (6) on winch clevis (7).
R1-M-Unlock launch boom
and unlock and lower
support cylinders
3
WINCH
RATCHET
6
7
1
2
4
5
WINCH
RATCHET
6
3
5
4
0020 00-8