Troy-Bilt 979 Operator's Manual page 17

Six-Speed
Cable Slot Belt
Control
Arm
Lower
Pulley
haft
Figure Zl
Place the new belt over the transmission pulley.
Start the belt in the pulley groove and rotate the
pulley until the belt is seated in the transmission
pulley. Refer to Figure 21.
Place the belt between the idler pulley and the belt
keeper bracket.
Using pliers, rotate the belt keeper bracket so that it
snaps into slot on the idler bracket. Refer to
Figure 20.
Tighten the idler pulley bolt and lock nut half a turn.
Place the belt between the two pulley halves on the
crankshaft. Make sure to route the belt inside the
belt guard pin. See Figure 22.
Half
Tab,
Belt
Guard
Figure 22
IMPORTANT: When replacing the belt, do not disas-
semble the lower pulley assembly.
Pinch both sides of the belt together so that the belt
is not in the pulley groove, and the lower pulley can
be pushed towards the engine. See Figure 23.
Lower Pulley
o ©
Belt
Figure 23
Pivot the control arm back to its original position
and reinstall the six-speed cable into the slot.
See Figure 24.
Check and make sure the belt is routed inside the
pulley halves and the belt guard pin.
Six-Speed
Control
Arm
Figure 24
Reinstall the bolt securing transmission to rear
mower housing.
Pivot the baffle back to its original position and
secure with three hex screws removed earlier.
Lightly lubricate the inside of the blade adapter and
reinstall the spacer, wave washer, blade adapter
assembly, and blade in the correct order.
Tighten the hex bolt to secure the blade, torque to:
450-600 in. Ibs.
17