308-03-45 Manual Transaxle 308-03-45
DESCRIPTION AND OPERATION (CONTINUED)
E4460 EN 07/2001
Item
Description
13 Half rings
14 Snap-ring
15 3rd gearwheel with simple synchroni-
zation
15 3rd gearwheel with double synchroni-
zation
17 Synchronizer clutch - 3rd/4th gear
18 Synchronizer ring (4th gear)
Item
Description
19 Gearwheel - 4th gear
20 Ball bearing (closed on both sides)
21 Snap-ring.
22 Gearwheel - 5th gear
23 Synchronizer ring (5th gear)
24 5th gear synchronizer clutch
25 Retaining plate
Double synchronization
Item
Description
1 Gearwheel
2 Inner synchronizer ring
3 Synchronizer cone
4 Outer synchronizer ring
5 Synchronizer hub
Double synchronization
The first and second gears are double
synchronised. Because a second synchronizer
ring is used, the effective surface compared with
the simple synchronizer is approximately
doubled. Ease of gear changing is considerably
improved through double synchronization.
The double synchronization components are:
inner synchronizer ring, synchronizer cone, outer
synchronizer ring and synchronizer hub.
The conical surface on the gearwheel is no
longer present. Synchronisation is achieved
through the two synchronizer rings and the
synchronizer cone which fits on the gearwheel.
Differential
The basic components of the differential are:
• Crown wheel
• Differential housing with two taper roller
bearings
• Differential pinions
• Drive halfshaft pinions
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