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Rev. A
Workman MD/MDX Drive TrainPage 5 -- 3
Drive Train Operation
Clutch System Operation
1. Drive clutch (engine mounted)
2. Driven clutch (transaxle mounted)
3. Moveable sheave (drive clutch)
4. Fixed sheave (drive clutch)
5. Moveable sheave (driven clutch)
6. Button
7. Ramp (fixed cam)
8. Spring
9. Fixed sheave (driven clutch)
Figure 1
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AB C
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Power is transferred from the engine to the transaxle by
a variable clutch system that consists of two clutches
connected by a drive belt. The drive clutch responds to
engine speed, and is mounted to the engine drive shaft.
The drivenclutch responds to changesin load to the rear
axle, and is mounted to the transaxle input shaft.
The two clutches work togetherto automatically up--shift
and back--shift as changes in loadand speed occur.This
shifting changes the turning ratio between the drive and
driven clutches and allows the engine to operate at opti-
mum efficiency.
Drive Train