1-62
S-104-100
Revised 09/2004
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CLAMPING
Spread Locking
As the clamps are brought down, the spread locks compress the spread locking pins. As the clamps move
outward to their maximum spread, the locks move along with the clamp plates. This allows the pins to
release, locking the clamps in position until they are released.
1. Turn the left hand crank until the rollers on the clamp plate are at the widest part of the spreader block
(see page 1-61).
2. Engage clamps
A
by pulling clamp lever
H
forward. Slide the clamp plates toward outstop
C
.
Spread locks
I
should just be touching the flat side of locking pin
J
, without restricting the movement of
the locking pin. To adjust, loosen screw
K
and move spread locks
I
in or out as necessary. Once the
adjustment has been made, re-tighten screw
K
.