Multi Pro 1200/1250 Page 7 -- 3 Drive Train
General Information
Clutch System Operation
1. Drive clutch
2. Driven clutch
3. Moveable sheave (drive clutch)
4. Fixed sheave (drive clutch)
5. Moveable sheave (driven clutch)
6. Spring
7. Fixed sheave (driven clutch)
8. CVT drive belt
Figure 1
5
3
1
4
6
2
7
LOW ENGINE SPEED
LIGHT LOAD
FULL ENGINE SPEED
DECREASING LOAD
FULL ENGINE SPEED
INCREASING LOAD
8
Two Clutch System (Fig. 1)
Power is transferred from the engine to the transaxle
and spray pump by a variable c lutch system that con-
sistsoftwoclutchesconnectedbyadrivebelt.Thedrive
clutch responds to engine speed and is mounted to the
engine driveshaft. The driven clutch responds to
changesinloadfromthetransaxleandspray pumpand
is mounted to the pump drive gearbox input shaft.
Thetwoclutchesworktogethertoautomaticallyup--shift
andback--shiftaschangesinloadandspeedoccur.This
shiftingchanges theturningratio betweenthedrive and
drivenclutchesandallowstheenginetooperate atopti-
mum efficiency.
Drive Train
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