1005 / 1904
TRANSAXLE-AMT
55
13.0 POWER UNIT (PWU) BASE PLATE
REMOVAL AND RE-FITMENT ON BENCH:-
Removal:
CAUTION
Ensure there is ‘NO PRESSURE’ in the
hydraulic circuit.
1. Disconnect all the connectors of the system
wiring harness (DC Motor, Cultch Position
Sensor and Transmission Control Unit) and
remove the ‘Plastic Clip’ pulling it out from its
threaded hole on the ‘Power Unit Base Plate’
body.
2. Remove the ‘Mechatronic Gear Actuator’ unit
(MGA) first (refer the procedure 7. Mechatronic
Gear Actuator Unit (MGA) Removal and Re-
Fitment on Bench).
Installation:
1. Assemble the spare parts ‘Power Unit Base
Plate’ on the fixture.
2. In order to guarantee right ‘Mechatronic Gear
Actuator’ translation during the mounting, to
avoid O-rings damages, screw three rods
φ6x100 mm length, with 15 mm threaded M6,
in the ‘Power Unit Base Plate’ holes used by
‘Mechatronic Gear Actuator’ fixing screws.
3. Assemble the spare parts O-rings on the spare
parts connectors.
4. Mount the spare parts connectors with O-rings
in their seats on spare part ‘Power Unit Base
Plate’, after lubrication with new ‘CS Speed’ oil
also lubricate the ‘Mechatronic Gear Actuator’
seats.
5. Remove traces of oil from the ‘Mechatronic
Gear Actuator’ seal surface in contact with
gasket with care to avoid contamination from
foreign materials (dust, metal burrs, etc…) or
surface damages.
6. Assemble the spare part gasket on the
‘Mechatronic Gear Actuator’ with the correct
orientation, inserting the centering pins into the
fixing holes of the ‘Mechatronic Gear Actuator’
body.
7. Position the ‘Mechatronic Gear Actuator’ with
gasket over the ‘Power Unit Base Plate’ using
the threaded rods for reference and moving it
parallel towards the mating surface.
8. When the ‘Mechatronic Gear Actuator’ body
seats came in contact with O-rings, push it
slowly, with appropriate load to complete the
assembly.
9. Unscrew the rods and screw the three spare
parts screws for fixing the ‘Mechatronic Gear
Actuator’ on ‘Power Unit Base Plate’ at the
right torque 10 ± 1 Nm.
10. Connect the connectors of the wiring harness
on the ‘Transmission Control Unit’ and ‘Cultch
Position Sensor’.
11. Insert the plastic clip into its threaded hole on
the ‘Power Unit Base Plate’ body and connect
the connector of wiring harness on the DC
Motor.
12. Fill the ‘Oil Tank’ with new ‘CS Speed’ oil, at
the Max. Level ‘@ 0 bar’ (no pressure in the
hydraulic circuit) and restore it after the purge
procedure.
13. Screw the ‘Oil Tank Cap’ at the right torque.