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OM3062 8/11
Lowering The Dump Body
(When dumping on flat ground)
It is very likely when dumping on flat ground that the
dumped material will build up enough to prevent the
body from lowering. In this case, the truck will have to
be driven forward a short distance (just enough to
clear the material) before the body can be lowered.
1. Move
the
directional
FORWARD, release the brake lock, depress the
override button, and drive just far enough
forward for the body to clear the material.
2. Stop, move the directional control lever to
NEUTRAL, and apply the brake lock.
3. Move the hoist lever forward to the DOWN
position. Release the lever to place the hoist
control valve in the FLOAT position, which
allows the body to return to the frame.
If dumped material builds up at the rear of the
body and the body cannot be lowered, then
perform the following steps:
a. Move the hoist lever back to the RAISE
position to fully raise the dump body. Then
release the hoist lever so it returns to the
HOLD position.
b. Move
the
directional
FORWARD, release the brake lock, depress
the override button, and drive forward to
clear the material.
c. Stop, move the directional control lever to
NEUTRAL, apply the brake lock, and lower
the body.
NOTE: Failure to hoist the body after making an
unsuccessful attempt at lowering the body may result
in the dump body suddenly lowering after the truck
has pulled ahead of the material that was previously
preventing the body from lowering.
Do not move the truck with the dump body raised
except in an emergency. Failure to lower body
before moving truck may cause damage to hoist
cylinders, frame and/or body hinge pins.
4. With the body returned to frame, move the
directional control lever to FORWARD, release
the brake lock, and leave the dump area
carefully.
control
lever
to
control
lever
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Operating Instructions - Section 30
Lowering The Dump Body
(When dumping over a berm or into a crusher)
1. Move the hoist lever forward to the DOWN
position. Release the lever to place the hoist
control valve in the FLOAT position, which
allows the body to return to the frame.
If dumped material builds up at the rear of the
body and the body cannot be lowered, perform
the following steps:
a. Move hoist lever back to the HOIST position
to fully raise the dump body. Release the
hoist lever so it returns to the HOLD position.
NOTE: Do not drive forward if the tail of body will not
clear the crusher wall in the fully raised position.
b. Move
the
directional
FORWARD, release the brake lock, depress
the Override button, and drive forward to
clear the material.
c. Stop, move the directional control lever to
NEUTRAL, apply the brake lock and lower
the body.
NOTE: Failure to hoist the body after making an
unsuccessful attempt at lowering the body may result
in the dump body suddenly lowering after the truck
has pulled ahead of the material that was previously
preventing the body from lowering.
Do not move the truck with the dump body raised
except in an emergency. Failure to lower the
body before moving the truck may cause damage
to the hoist cylinders, frame and/or body hinge
pins.
2. With the body returned to the frame, move the
directional control lever to FORWARD, release
the brake lock, and leave the dump area
carefully.
Page 30-15
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lever
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Troubleshooting
