TOPHANDLER REPLACEMENT - CONTINUED
Position RTCH directly behind trailer on which tophandler is to be placed.
Side shift tophandler right 6 to 8 in. (15.2 to 20.3 cm) from center position. Extend boom to 110 in. (279.4 cm). Raise
boom to 19 degrees (TM 10-3930-675-10).
Place cribbing of 4 x 4s on deck of trailer so twistlocks will not touch trailer deck when tophandler spreader beams (1)
are placed on cribbing.
Drive RTCH as close as possible to back of trailer. Apply parking brake.
Place boom in transport position (TM 10-3930-675-10):
Remove boom support locking pin retaining pins.
Move cab to transport position.
Ensure boom is at 19 degrees and extended to 100 in. (254 cm).
Pull center (tall) lever to raise boom support fully.
Retract boom support locking pins.
Fully lower boom support to lowest position.
Lower boom until bottom of tophandler is 5 to 6 ft (152.4 to 182.9 cm) off ground.
Rotate tophandler clockwise to longitudinal position.
Raise boom high enough to clear trailer height.