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TM 10-3930-644-14&P
push the lever forward as far as possible. Release lever
F. FORK ADJUSTMENT
slowly to neutral position as load reaches desired level.
Maximum lowering speed is held within safe limits by a
For maximum balance, always position the forks in
flow regulator in the oil port at the base of the lift
proportion to the width of the load. A fork lock in the top
cylinder.
of each fork holds it in position in notches along the top
bar of the carriage. To change fork location, pull up on
lock and move fork right or left; allow lock to seat in
CAUTION
notch nearest the location chosen (Fig 4-3).
Do  not  release  lift  control  lever
suddenly when lowering load because
this causes severe mechanical shock.
O. TILTING OPERATIONS
The tilt control lever is mounted to the right of the lift
lever (Fig 3-1). Rate of tilt is controlled by speed of the
engine and position of the lever. Slight acceleration of
the engine and gradual movement of the tilt lever from
neutral to tilt position will produce a slow tilting action.
Accelerating the engine and pulling the lever back or
pushing it forward as far as possible increases the speed
of tilt.  When the mast is tilted to desired position,
release lever smoothly to neutral position and mast will
hold at this point.
CAUTION
Figure 4-3. Fork Adjustment
Use care when tilting mast forward to
prevent the load from toppling.
Forks can be easily removed from the carriage by
releasing the locks and aligning each fork (one at a time)
E. SIDE SHIFTER OPERATION (Not Applicable)
with the wide slot on the bottom of the carriage.
Remove fork by lifting it up and off the carriage.
The side shifter control lever is mounted to the right of
the tilt lever (Fig 4-2). Push the lever forward to move
G. LOAD HANDLING PROCEDURES
the carriage to the left. Pull lever back to shift carriage
to the right.
Lift truck stability is based on principles of the counter-
balance and fulcrum (Fig 4-4). The drive axle of the lift
truck is the balancing point (fulcrum). The load is carried
at the front of the lift truck and is counterbalanced by the
counterweight on the rear of the truck.
Figure 4-2. Raise, Lower, tilt and Side Shift Positions
Figure 4-4, Counterbalance Principle
1-8

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