TM 5-5420-278-10
0038 00
0038 00-2
BRIDGE RECOVERY, SWINGING BRIDGE METHOD (Contd)
f. Open both pump access covers (5) and lower ramp bay (4) by moving pump
control valve levers (9) to DOWN position. Move both levers (9) to
TRANSPORT/CROSSING position and close access covers (5).
g. Disconnect and lower handrails on ramp bay (4) (WP 0010 00).
WARNING
Do not place fingers under longitudinal upper couplings
when opening them, or serious injury to personnel may
result.
h. Open two longitudinal upper couplings (3) on ramp bay (4) and interior
bay (7).
CAUTION
Ensure longitudinal upper couplings are opened prior to
disengaging lower lock-drive pins or damage to
equipment may result.
i. Install T-wrench on jackscrew (6) of lower lock-drive, and turn
counterclockwise until lower lock-drive pin is fully retracted, then back off
jackscrew (6) one full rotation.
j. Repeat step i for remaining lower lock-drive and remove ramp bay (4) to
retrieval site.
k. Disconnect and lower handrails on interior bay (7) (WP 0010 00).
WARNING
Do not place fingers under longitudinal upper couplings
when opening them, or serious injury to personnel may
result.
l. Open two longitudinal upper couplings (1) on interior bay (8) and interior
bay (7).
m. Install T-wrench on jackscrew (2) of lower lock-drive, and turn
counterclockwise until lower lock-drive pin is fully retracted, then back off
jackscrew (2) one full rotation.
n. Repeat step m for remaining lower lock-drive, and remove interior bay (7).
Move bay to retrieval site.
o. Repeat steps k through n for remaining bays.