127 - 14
Section F
9803/3280
Section F
127 - 14
Issue 1
Powershift Gearbox
11
Fit the Solenoid Control Valve Block
a
Fit two guide studs at the valve interface on the front
case. Locate a new valve block sealing gasket
11a
as
shown at
C
. Care is needed as the gasket is thin.
Gearboxes fitted with a sub-base plate have two
gaskets, one each side of the plate.
b
Fit the 8 socket head cap screws and washers
11b
. The
screws must be progressively torque tightened.
Gradually tighten all the screws to 35 Nm (26 lbf ft).
12
Fit the Main Hydraulic Pump Driveshaft
a
Fit a new sealing ring
12a
to the shaft
12b
. Apply clean
oil to the sealing ring and fit the shaft inside the gearbox.
b
Apply clean oil to the ball bearing
12c
. Fit the bearing
followed by circlip
12d
.
13
Fit the Layshaft Cover
a
If applicable fit the layshaft cover
13a
. Make sure the
casing mating faces are clean and undamaged. Apply a
thin bead of JCB Multigasket to the rear casing and fit
the cover. Fit bolts
13b
and progressively torque tighten
to 56Nm (41 lbf ft).
Note:
The main machine hydraulic pump can be fitted at this
stage. However, it is easier to fit the gearbox to the machine
and then fit the pump.
See Section E, Main Hydraulic
Pump, Replacement.
