Section III. OPERATION UNDER USUAL CONDITIONS
2-3 PREPARATION FOR USE
The IS0 and Intermodal Freight Container Lifting Spreader is shipped fully assembled and
ready for use. Perform the following procedures prior to coupling the spreader to a freight
container for lifting.
a. Check to see that the spreader has been properly lubricated. Refer to Section I in
Chapter 3 and lubricate the spreader, if necessary.
b. With the spreader suspended, check to see that the four twist locks (1) are in the
unlocked position, and are properly aligned for coupling to a freight container.
Do not get under the suspended spreader while performing
the following procedures.
Move the cam locking rod (2) upward
to disengage the hex nut (3) from the
notch in the locking cam (4). Release
the rod (2) and check to see that it
falls freely to the down position, and
that the hex nut (3) is in the notch in
the locking cam (4).
d. Check the four guide wheels (5) to
see that they rotate freely.
e. With cam locking rod (2) held in a
raised position, pull the control cable
(6) in the ENGAGE direction to move
the twist locks (1) to the locked posi-
available, the cam locking rod
position with a piece of tape.
f. Release the cam locking rod (2) and watch to see that the rod falls freely to the down
position, and that the nut (3) is in the notch in the locking cam (4).
g. With the cam locking rod (2) in a raised position pull the control cable (6) in the
DISENGAGE direction to move the twist locks (1) to the unlocked position.