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Important – Troy-Bilt AutoDrive 604 User Manual

Page 21

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21

Figure 16

• Remove the rear idler pulley from the double-

idler bracket while unrouting the belt from
around both the rear and the front idler pulley.
Refer to Figure 16.

• Remove the cotter pin that affixes the lower

end of the PTO engagement rod to the PTO
adjuster link. Save the pin for reassembly.
See Figure 17.

Figure 17

• Remove the hex bolt from the center of the

engine pulley. Do NOT attempt to remove the
engine pulley at this time. See Figure 18.

Figure 18

IMPORTANT:

When remounting the engine

pulley, torque the center hex bolt to between 38 foot-
pounds and 50 foot-pounds.

Drive belt (Lower)

Drive belt (Upper)

Front of Tractor

Rear Idler Pulley

Front Idler Pulley

Variable-speed

Pulley

Battery Tray

Belt Keeper

Transmission Idler Pulley

Transmission Pulley

Engine Pulley

Belt Keeper

Single-speed

Transmission

Shift Lever

Opening

Double-Idler Bracket

Idler Bracket

to AutoDrive

pedal

Belt Keeper

NOTE:

View shown from above tractor.

PTO Engagement Rod

Cotter Pin

PTO Adjuster Link

Hex Bolt

Engine Pulley

NOTE:

View shown from beneath tractor.