TM-5-5420-279-10
NOTE
The CARRIAGE EMPTY function light will continuously flash. This is to act as a warning
for the conditions of its use.
In this mode, forward or rearward movement of the joystick on the chest pack results in no
physical effect on the hydraulic system.
5.4.1.3
On the chest pack, move the joystick forwards until the CARRIAGE EMPTY function
is selected. Move the joystick once to the right and make sure the POWER caption
remains illuminated and the CARRIAGE EMPTY caption is illuminated. Make sure
the MODE SELECT caption goes off.
WARNING
HYDRAULIC EQUIPMENT. OPERATION OF EQUIPMENT POWERED BY HYDRAULIC
PRESSURE IS HAZARDOUS. KEEP CLEAR OF MOVING PARTS.
HYDRAULIC PRESSURE. EXPOSURE TO HYDRAULIC FLUID UNDER PRESSURE IS
HAZARDOUS. IN THE EVENT OF A HOSE OR COMPONENT FAILURE, REMOVE ALL
FLUID CONTAMINATION FROM THE SKIN AND EYES WITH CLEAN WATER AND SEEK
MEDICAL ASSISTANCE.
5.4.1.4
Release the latches holding the home bank carriage to the launcher frame. Move
5.4.1.5
On the chest pack, move the joystick forward to drive the home bank and far bank
carriages away from the launch vehicle until the home bank carriage restraint
linkage is fully extended. Ensure that the far bank carriage is touching the stops on
the beam or the slings are approximately 12 inches beyond the end beam lifting
points at the far bank.
5.4.1.6
On the chest pack, select the bridge lift function. Make sure the POWER and
BRIDGE LIFT captions on
the chest pack display illuminate, and the bridge drive
selected caption (LEVEL, HIGH or LOW) extinguishes.
5.4.1.7
Send two personnel to the far bank to assist the far bank carriage in lowering.
5.4.1.8
Position one man by the far bank carriage ready to pull on the lower half of the
carriage.
5.4.1.9
Position one man at the mid way point of the bridge ready to pull on the wire winch
rope.
5.4.1.10
On the chest pack, move the joystick forward to raise the far bank carriage so that
the shootbolts can be retracted.
NOTE
Continuing to operate bridge lift will create a build up of tension in the lower winch cable,
which could cause the cable to nest on the winch drum.
5.4.1.11
Retract the shootbolts on the far bank carriage.
5-9