GEARBOX
Dimensions
and
Tolerances
PARTS AND DESCRIPTION DIMENSIONS
CLEARANCE
REMARKS
NEW
Gearbox
Top Cover
Selector Shaft
External
Diameter
Bore
in
Cover for .500Sa
to
Selector Shaft.
.4995" .0033"
Gear
Synchronisation and
Loading
Details
2nd Speed Synchro
Axial
Load for Release 25 to 27 Ibs.
3rd and Top Synchro
Axial
Load for Release 19 to 21 lbs.
Gap between Baulk Ring Dog Teeth and Cone .035" to
.OM"
Engaged.
Dog Teeth on Mainshaft Synchro
Gears
.060"
to .075" Free.
Selector Rod
Loading
Selector Rod
Axial
Load
for Release 1st and 2nd 32 to
34
lbs.
3rd and
TOP
17 to 20 lbs.
Reverse 21 to 23 lbs.
Load
required at
Gear
Change
Knob
to Select
:-
1st and 2nd
Gear
7 to 9 lbs.
3rd and TOP
Gear
4
to
6
Ibs.
Reverse
Gear
6
to
7
Ibs.
NOTE
:
To convert Ibs. to Kgs. divide
by
2.204.
N
,,
ins.
to
Millimetres
multiply
by 2.54.
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