new gear lever with reverse gear engagement safety device (the collar under the gear lever hs to be raised in order to engage reverse gear).
gearbox casing with bellhousing and gearbox casing separate,
MG 5 Tu type synchronizers for 1st, 2nd and 3rd speeds; simple surface for 4th and 5th speeds
synchronizer cone with triple surface for 1st and 2nd speeds, double surface for 3rd speed and simple surface for 4th and 5th speeds
new order inside the gears
brake for engaging reverse gear which uses the 5th speed synchronizer
reverse gear inhibitor outside the gearbox casing
differential with 4 satellites
1 - identification label stuck on the 5th speed cover
2 - label containing the serial number
The diagram below illustrates the cross section of the gearbox casing.
1 - bellhousing
2 - gearbox casing
3 - 5th speed drive gear
4 - 5th speed synchronizer
5 - 5th speed driven gear
6 - 4th speed driven gear
7 - 3rd and 4th speed synchronizer
8 - 3rd speed driven gear
9 - 2nd speed driven gear
10 - 1st and 2nd speed synchronizer
11 - differential fastening plate
12 - differential housing
13 - planet gears
14 - differential ring gear
15 - differential adjustment shims
16 - satellite gears
17 - 1st speed driven gear
18 - layshaft
19 - main shaft
20 - guide pipe
LUBRICATION
Oil capacity: 2,7 ± 0.3 litresFrequency of the checks: nil.Oil level check: no level check.
SYNCHRONIZERS
1st and 2nd speed synchronizer
The diagram below illustrates the 1st and 2nd speed synchronizer
1 - synchronizer sleeve
2 - synchronizer hub
3 - synchronizer outer ring
4 - twin cone
5 - synchronizer inner ring
6 - 1st speed driven gear
7 - coupling
8 - gearbox casing
9 - 2nd speed driven gear
10 - layshaft
11 - stop ring
1st and 2nd speed synchronizer simple triple cone synchronizer with coupling.3rd and 4th speed synchronizer. simple synchronizer with twin cone for engagement of 3rd speed driven gear, simple cone for engagement of 4th speed driven gear with coupling.5th speed synchronizer. simple triple cone synchronizer with coupling.
GEAR ENGAGEMENT LEVER
The diagram below illustrates the new layout of the gears