Chapter 2: Clutch And Controls; Clutch Operation - MTD 450 Series Shop Manual

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Crankshaft

Idler pulley

pulley

Figure 2.1

Interlock pin

Figure 2.2

CHAPTER 2: CLUTCH AND CONTROLS

Input pulley

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Pulling the clutch control bale toward the handlebar

pulls the clutch cable.

The clutch cable draws an idler pulley against the

bottom of a belt that runs from the engine crankshaft

pulley to the input pulley of the chain case.

The idler pulley tightens the belt, transferring drive

power to the chain case. See Figure 2.1.

There is an interlock pin connected to the idler pulley

bracket. See Figure 2.2.

• When the clutch is engaged, the pin prevents the

operator from shifting the tiller between Tines For-

ward and Tines Reverse operation.

• Shifting the tiller between different drive modes

while the clutch is engaged puts unusual loads on

internal chain case parts. The lock-out pin helps

prevent the customer from damaging the chain-

case.

Clutch and Controls

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