Service Training
Section 2
Page 3
CAUTION
Compulsory lifting potentiometer
- Sling the truck at least 60 cm from the ground and brace
it on platforms to extract the drive unit and its support
from the bottom.
- Turn the variator plate and the handlebar plate to the
back.
- Dismantle the left stabiliser (see section 4).
- Disconnect the steering potentiometer (8), the steering
motor (7) and the traction motor (1).
- Disengage the electrohydraulic brake (2) (see section
4).
CAUTION
To prevent hydraulic leaks on the brake linings,
dont dismantle the brake hydraulic hose pipe.
- Screw on a slinging ring (10) at the end of the motor
spindle.
- Fasten 1 sling (11) and stretch it slightly with the hoist.
- Unscrew the 4 fixing screws (9) of the motor/ chassis
support unit.
- Extract the entire drive unit carefully from the bottom
(80 Kg).
WARNING
Dangerous handling. The drive unit is heavy,
proceed with caution to disengage it from the
chassis.
It is recommended to wear gloves.
To reinstall the drive unit, proceed in the reverse order as
for removal.
CAUTION
To prevent a short-circuit, it is important to clamp
the 3 terminals U, V, W of the traction motor
supply cables (tightening torque 7.5 Nm).
- It is always possible to use an open-end wrench
to hold them while tightening.
- Check the electrohydraulic brake air gap setting (see
section 4)
11
10
2.1.1 Removing/replacing the drive unit
https://www.besttruckmanuals.com/
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