MTD 979K Operator's Manual page 15

Six-Speed Control
Belt Cable Slot Arm
Figure 18
• Using pliers, rotate the belt keeper bracket so that it
snaps into slot on the idler bracket.
• 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 19.
HalfL°wer Pull_
Upper Pul__ !
o o /
Belt
/_ Guard Pin
T_e ab
It
Figure 19
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 20.
Belt
Guard Pin_
Pivot the control arm back to its original position
and reinstall the six-speed cable into the slot.
See Figure 21.
\\\\
Six-Speed
Cable Slot
Arm
Figure 21
• Make sure the belt is routed inside the pulley halves
and the belt guard pin.
• 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 to torque:
450-600 in. Ibs.
Replacing R earFlap
• To remove rear flap, cut off the flat end of the wire
rod which secures it to the deck.
• Attach the new flap and new rod to deck, bending
the ends of the new rod over to secure to deck.
Figure 20
15