3-393-39
Body ControlBody Control
The lever to the left of the operator’s seat controls the hydraulic valve whichThe lever to the left of the operator’s seat controls the hydraulic valve which
operates the body hoist cylinders. The four operating positions of the lever fromoperates the body hoist cylinders. The four operating positions of the lever from
front to rear are as follows:front to rear are as follows:
'LOWER' -'LOWER' -This position provides hydraulic force to power-down the body. It isThis position provides hydraulic force to power-down the body. It is
needed when the body cannot be started downward from the fully raised position byneeded when the body cannot be started downward from the fully raised position by
gravity. When the body starts lowering by gravity, the gravity. When the body starts lowering by gravity, the lever should be moved to thelever should be moved to the
'FLOAT' position.'FLOAT' position.
'FLOAT' -'FLOAT' -
The lever should be moved to this position while the body is loweringThe lever should be moved to this position while the body is lowering
by gravity and should remain in this position until the body must be operatedby gravity and should remain in this position until the body must be operated
again. The control lever should always be kept in 'FLOAT' while the machine isagain. The control lever should always be kept in 'FLOAT' while the machine is
in motion.in motion.
'HOLD' -'HOLD' - Moving the lever to this position while the body is being raised orMoving the lever to this position while the body is being raised or
lowered traps the oil in the body hoists to stop and hold the body at any desiredlowered traps the oil in the body hoists to stop and hold the body at any desired
height. The lever will remain in the detented 'HOLD' position when released.height. The lever will remain in the detented 'HOLD' position when released.
'RAISE' -'RAISE' - This position directs oil to extend the body hoists and raise the body.This position directs oil to extend the body hoists and raise the body.
When released, the lever will be spring-returned to the 'HOLD' position.When released, the lever will be spring-returned to the 'HOLD' position.
WARNINGWARNING
Pressurized system. Before carrying out any maintenance on the Pressurized system. Before carrying out any maintenance on the bodybody
control system, pressure must be dissipated from the pilot valvecontrol system, pressure must be dissipated from the pilot valve
accumulator. Shut-off the engine and operate the body control lever accumulator. Shut-off the engine and operate the body control lever inin
both directions approximately 15 times to discharge the accumulator. Aboth directions approximately 15 times to discharge the accumulator. A
pressure gauge can be fitted to pressure gauge can be fitted to the remote test point at the remote test point at the accumulatorthe accumulator
valve to check pressure readings.valve to check pressure readings.
078078
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