Press the `RELAX' button on the interface enclosure. The RELAX SOLENOID SV-25
caption will illuminate.
Ensure that the relax mechanism centers.
Withdraw the relax shootbolts.
Ensure that the PIN OUT light on the interface enclosure illuminates.
Close the interface enclosure door.
Place chocks under the front axle wheels.
Deploy the tilt rollers as described in Section 3.5.3.
Deploying the Tilt Rollers
CRUSH HAZARD. KEEP CLEAR DURING MOVEMENT OF THE TILT ROLLERS. THE TILT
ROLLERS WEIGH 114 LB (52 KG) AND COULD CAUSE INJURY TO PERSONNEL.
When building or recovering a bridge, the tilt rollers are deployed only after the launch beam
has beam constructed.
While supporting the weight of the tilt roller, remove the lower shootbolt (2) securing the
tilt roller head (4) in position.
Rotate the tilt roller head (4) outwards.
Remove tilt roller leg shootbolt (3) whilst supporting the weight of the tilt roller assembly.
Rotate the tilt roller assembly to the vertical position.
Secure in the vertical position with upper shootbolt (1).
On the chest pack move the joystick to the right until LEVEL BANK is selected and the
TILT ROLLER light has illuminated. Using the left joystick ensure that the tilt rollers are
The tilt rollers adjust the module approach angle required to compensate for the launch beam
angle created by the up/down slope of gap banks and ensure the correct tension is maintained
on the home bank carriage and far bank carriage slings.
Using the tilt roller joystick on the left of the chest pack raise the tilt rollers to contact the
underside of the bridge.