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Section F
112 - 10
Assembly (cont'd)
35
End Float Setting - Layshaft
If the layshaft and/or its bearings have been renewed,
the shaft end float must be reset.
a Fit the torque converter housing and stand the
gearbox on the housing.
b Using service tool 892/01079 tighten the setting ring
A to 25 Nm (18.4 lbf ft) whilst at the same time
rotating the shaft via the output yoke (a gear must
be engaged). Do not over tighten the ring.
Overtightening will damage the bearings.
c Undo the ring a small amount to obtain a shaft end
float of 0.03 to 0.08 mm (0.001 to 0.003 in). To
measure the endfloat screw in a bolt (or service tool
892/01078) at the threaded hole in the end of the
shaft. Set up a DTI with the probe on the chamfer of
the shaft. Zero the DTI. Rotate the shaft and at the
same time pull up on the bolt, noting the reading on
the DTI. Screw the ring in or out until the end float is
correct.
d When the correct setting has been obtained, stake
the setting ring to the casing as shown at the two
positions Y (see the note below). Note that once
staked the setting ring can not be used again. If the
ring is disturbed it must be discarded and a new one
used to re-set the end float.
Note: If the slots in the setting ring fall close (within zone Z)
to the staking positions Y, stake at position X instead. In this
event the ring must also be folded on one side at the two
positions Y, fold on the side furthest away from the slot in
the ring. This is important as the ring will otherwise restrict
the flow of lubrication oil.
e Using a new gasket, refit the layshaft bearing cover.
Apply JCB Threadlocker and Sealer to the fixing
bolts and tighten to 56 Nm (42 lbf ft).
9803/3280
Transmission
Synchro Shuttle Gearbox
Purchased from www.WorkshopManuals.co.uk
Y
A
X
Y
X
Z
Section F
112 - 10
A
Z
A396630
Issue 1
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