33
Upper locking wedges must be engaged before moving vehicle.
WARNING
!
PLATFORM STOWED IN 
UPPER LOCKED POSITION
FIG. 33-1A
UPPER LOCKING WEDGE ENGAGED
(CHAIN REMOVED FROM VIEW)
FIG. 33-1B
ROUND
WEDGE
OPENER
ARM
UPPER
LOCKING 
WEDGE
UP
2. When fi nished loading and 
unloading from the dock, 
use column switch to raise 
(UP) platform to upper 
locking position as follows 
(FIG. 33-1A). Raise platform 
until round wedge on each 
opener arm is behind the 
upper locking wedge on 
each column (FIGS. 33-1A & 
33-1B).