TM-5-5420-279-10
3.5.1.32
In vehicle cab switch four position switch to position 1.
3.5.1.33
Ensure PTO disengages.
3.5.1.34
Select gear and release handbrake.
3.5.1.35
Move vehicle to bridging site.
NOTE
The following procedures are carried out at the bridging site.
3.5.1.36
Make sure the area at the rear of the launch vehicle is clear of personnel.
3.5.1.37
Reverse the launch vehicle towards the gap and its marked out position. Use guiding
personnel to make sure the area is clear and the launch vehicle correctly positioned.
3.5.1.38
Stop the launch vehicle movement and apply the handbrake.
Release the slide frame twist-to-lock fasteners, which are located at the rear of the vehicle
at the end of the crane sub-frame. The twist-to-lock fasteners are released when the
handles are 90 degrees to the chassis.
Set the 4-position mode selector rotary switch 2. Make sure the PTO engages and the
engine rpm goes to high idle.
3.5.1.41
Remove the R clips and the pins securing the A-frame stabilizer legs in the retracted
position. Slight extension or retraction of the stabilizer cylinders may be required to
remove the pins.
WARNING
CRUSH HAZARD. BEFORE LOWERING A-FRAME STABILIZER LEGS ENSURE PERSONNEL
ARE STANDING CLEAR OF THE STABILIZER FEET. FAILURE TO HEED THIS INSTRUCTION
COULD LEAD TO SERIOUS INJURY TO PERSONNEL.
3.5.1.42
At the A-frame controls on the centerline of the rear face of the A-frame, lower the
stabilizer legs simultaneously by operating both levers together.
3.5.1.43
Make sure the stabilizer leg hydraulic cylinders extend and lower both A-frame stabilizer
feet towards the ground.
3.5.1.44
Once the stabilizer leg feet are touching the ground, continue to extend the stabilizer leg
hydraulic cylinders, lifting the slide frame above the chassis until the twist lock block is
aligned with or above the slide frame/chassis clearance indicator on the chassis (see
3-42
