TM-5-5420-279-10
5.4.1.37
On the chest pack, select the lift bridge function. Make sure the POWER and
BRIDGE LIFT captions on
the chest pack display illuminate.
5.4.1.38
On the chest pack, move the joystick forward to take the weight of the bridge and
allow the retraction of both home bank carriage beam shootbolts.
5.4.1.39
On the chest pack, move the joystick rearward to lower the home bank carriage and
the home bank end of the bridge onto the A-frame rollers. As the bridge is lowered
onto the A-frame rollers, ensure the bridge stops emergency are lowered, and fully
lock in position.
5.4.1.40
Continue the lowering function until the slings of the home bank carriage are slack.
Disconnect the slings of the home bank carriage from the ramp module and
reconnect to the home bank carriage.
WARNING
CRUSH HAZARD. DEATH OR SEVERE INJURY COULD OCCUR IF THE BRIDGE STOP
EMERGENCY (BSE) ARE NOT FULLY LOCKED DURING THE DISCONNECTION OF THE
HOME BANK CARRIAGE. FAILURE TO HEED THIS INSTRUCTION COULD LEAD TO
UNEXPECTED MOVEMENT OF THE BRIDGE.
5.4.1.41
On the chest pack, move the joystick forward to raise the home bank carriage beam.
Make sure the drum winches operate to raise the home bank carriage beam and
insert the shootbolts to connect the two carriage halves.
5.4.1.42
Place the carriage slings over the shootbolts to prevent them dragging on the bridge.
5.4.1.43
On the chest pack, move the joystick to the left to select the BRIDGE DRIVE
function.
5.4.1.44
Make sure the POWER and the bridge drive mode previously selected captions
(LEVEL, HIGH or LOW) on the chest pack display illuminate. Make sure the
BRIDGE LIFT caption on the chest pack display goes off.
5.4.1.45
On the chest pack, move the joystick rearward to reverse the bridge towards the
launch vehicle.
5.4.1.46
Pull down the bridge stops emergency handles to raise the bridge stops emergency
once the jaws of the ramp module are within 12 inches of the end stop rollers.
Release the bridge stops emergency as soon as the ramp jaws are clear of the
bridge stops emergency.
5.4.1.47
Continue to reverse the bridge. Release the joystick when the pins connecting the
home bank ramp module to the parallel module, are in line with the center of the tail
lift.
Recovering the Home Bank Ramp Module
5.4.2.1
Make sure the bridge module lifter is adjusted to its widest setting and secured in
this position with the locking pins.