TM 5-5420-278-10
0037 00
0037 00-2
BRIDGE RECOVERY, SUCCESSIVE BAY METHOD (Contd)
f. Repeat step e for remaining ramp bay.
g. Have anchorage crew pull both shoreward endspans back on shore
approximately 5 ft (15 m) and adjust anchorage as needed.
h. Have bridge boat secure to interior bay (3) being removed.
i. Lower handrails on interior bay (3) (WP 0011 00).
WARNING
Do not place fingers under longitudinal upper couplings
when opening them, or serious injury to personnel may
result.
j. Open two longitudinal upper couplings (2) on interior bays (3) and (9).
k. Install T-wrench on lower lockpin jackscrew (1) of lower lock-drive, and turn
counterclockwise until lower lock-drive pin is fully retracted, then back off
jackscrew (1) one full rotation.
l. Repeat step k for remaining lower lock-drive, and remove interior bay (3).
m. Move interior bay (3) to retrieval site.
n. Repeat steps h through m for remaining bays.
o. Disconnect and lower handrails on ramp bay (5) (WP 0010 00).
p. Open both pump access covers (6) and lower ramp bay (5) by moving pump
control valve levers (10) to DOWN position. Move both levers (10) to
TRANSPORT/CROSSING position and close access covers (6).
WARNING
Do not place fingers under longitudinal upper couplings
when opening them, or serious injury may result.
q. Open two longitudinal upper couplings (4) on ramp bay (5) and interior
bay (8)
CAUTION
Ensure longitudinal upper couplings are opened prior to
disengaging lower lock-drive pins or damage to
equipment may result.
r. Install T-wrench on jackscrew (7) of lower lock-drive, and turn
counterclockwise until lower lock-drive pin is fully retracted, then back off
jackscrew (7) one full rotation.
s. Repeat step r for remaining lower lock-drive and remove interior bay (8) and
ramp bay (5) to retrieval site.
t. Repeat steps o through s for remaining interior and ramp bays.
