DRIVE BELT REPLACEMENT

(self-propelled models)

To remove drive belt:

1.Disconnect spark plug wire from spark plug.

2.Remove transmission cover.

3.Disconnect idler return spring from idler arm. See Figure 17.

4.Disconnect the wheel drive cable from transmission mount, and then disconnect drive cable spring from idler arm.

5.Remove belt from transmission input pulley and transmission idlers, and then push the belt out through the belt channel.

6.Put the unit in the service position. See SERVICE POSITION on page 19.

7.Remove blade and blade adapter from the crank shaft.

8.Remove the belt from the engine pulley, and then pull the belt through the belt channel. See Figure 18.

12

6

 

5

 

3

 

 

 

 

 

 

4

1.

Belt

4.

Wheel drive

2.

Transmission

 

cable

 

Input Pulley

5.

Drive Cable

3.

Idler Return

 

Spring

 

Spring

6.

Idler Arm

Figure 17

12

 

6

 

 

3

 

5

 

4

 

 

 

 

1.

Blade

 

5.

Bolt, Lock

2.

Drive Belt

 

 

Washer &

3.

Engine Pulley

 

Flat Washer

4.

Blade

 

6.

Belt Channel

Adapter

Figure 18

To install the drive belt:

IMPORTANT: Be sure the belt seats in idler and pulley grooves with the idler touching the back (flat) side of belt.

1.Install the new belt on the transmission input pulley and idlers, route it through the belt channel, and then install the belt on the engine pulley. See Figure 19.

Push belt through belt channel and install it on the engine pulley.

Note belt routing around idlers.

Figure 19

GB - 20