Using suitable lifting equipment locate the gearbox in a work
cradle (892/01082) as shown at
A
. Clamp the gearbox in
position at the 3 clamping points on the rear casing as
shown at
B
. DO NOT ATTEMPT TO DISMANTLE THE
GEARBOX FURTHER UNLESS IT IS SAFELY LOCATED IN A
SUITABLE WORK CRADLE.
4
Remove the Torque Converter Housing
a
Undo the bolts
4a
†
. Note that 2 bolts are located on the
outside of the housing just above the oil filter mounting.
Lift off the housing. Retrieve the sealing ‘O’ ring
4b
.
†
Early gearboxes feature a total of 18 bolts while late
gearboxes have 23 bolts
5
Remove the Gearbox Hydraulic Pump
a
Undo the 4 fixing bolts
5a
and lift the pump assembly
5b
off the input shaft. Retrieve the 4 sealing washers
5c
and pump sealing ring
5d
.
Note:
A pump which is worn or damaged may have caused
further damage to the gearbox. Dismantle and inspect the
gearbox fully. For details of dismantling and inspecting the
pump, see
Powershift Gearbox - Inspection
.
6
Remove the 4WD Clutch Assembly
a
Using service tool 892/00812 hold the output yoke
6a
and at the same time undo the bolt
6b
. The bolt is very
tight, the help of an assistant will be required.
b
Remove the thick washer
6g
and yoke
6a
. Undo the 8
bolts
6c
and lift off the cover
6d
, be sure to retrieve the
bearing outer cup from inside the cover. Remove the
output shaft oil seal
6b
. Take care not to damage the
seal housing.
c
Lift the clutch and shaft assembly
6f
from the housing.
Retrieve the inner bearing outer cup from the casing.
For 4WD clutch dismantling and assembly procedure see
4WD Clutch - Dismantling and Assembly
in this section.
125 - 4
Section F
9803/3280
Section F
125 - 4
Issue 2*
Powershift Gearbox
Dismantling (cont’d)
*
