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OPERATING INSTRUCTIONS
the load is centered on the arms and that it is well-
about the drive axle A-B. If it tips over sideways, it will
seated against the face of the lifting carriage.
do so at about the line A-C or B-C.
When picking up round objects, first tilt the uprights so
The combined center of gravity, E, is within the
that the forks slide along the floor under the object to be
boundaries of the triangle formed by A, B and C, when
lifted. (Fig. 5)
the upright is vertical. The farther E is from lines A-B,
A-C or B-C the more stable is the truck. As the load and
upright is tilted forward, E moves forward also. This
brings point E closer to line A-B and the truck is less
stable forward. If the load is tilted forward far enough to
move E ahead of line A-B (provided the load does not
slip off the forks), the truck will tip over forward.
As the load is tilted backward, E moves backward and
gets closer to lines A-C and B-C. In this condition side
stability is impaired.
Figure 5.
The most stable condition, therefore, is when the upright
is vertical. It is very important then, when raising a load,
2. Depress the inching pedal. Accelerate the engine
to keep the upright nearly vertical. ONLY BACKTILT
with the accelerator pedal.
ENOUGH TO KEEP THE LOAD FROM SLIPPING OFF
THE FORKS.
3. When sufficient backward tilt of the uprights is
obtained to allow safe handling of the load, move the
B. LIFTING, LOWERING, TILTING
hydraulic lever back to neutral and then move it to the
left position and pull back. At the same time accelerate
The hoist and tilt mechanisms are both actuated by the
the engine until the desired hoist speed is obtained.
same lever. Pull the lever back and the hoist lifts. Push
it forward and it lowers. The tilt mechanism is operated
Never race the engine while hoisting a load. Engine
by pushing the lever to the extreme right, then pulling it
speeds above 2200 RPM will not increase speed of the
back to tilt the uprights back and push it forward to tilt
hoisting mechanism and will only result in excessive
the uprights forward.
wear and damage to the engine. With a little practice
the operator will learn by sound, observation and "feel"
C. LOADING AND STACKING
the maximum efficient hoisting speed.
When the control lever is released, it will automatically
4. When the load has been raised to the desired
return to neutral and stop the hoist or tilt operation.
height, ease the hoist lever to the neutral position and
move the truck to the base of the stack on which the
Lifting speed is controlled by: 1) the speed of the
load is to be placed.
engine, and 2) the extent the control lever is pulled.
Engine speed has no effect on lowering speed.
Although a load may be placed on or removed
1. Move the truck forward until the load arms are
entirely under the load to be lifted. Make certain that
A-9
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