Replacing The Belts-Belt-Drive Models - Toro MM-658H-P Operator's Manual

1
3 4
G020009
1. Engine pulley
2. Idler pulley
3. Reduction case (engine)
4. Belt guide
E. If needed, pivot the engine on the engine deck
until the engine pulley and the idler pulley are
aligned to the straightedge
F. Tighten the nuts and bolts that secure the engine
to the engine deck to a torque of 18 N∙m (13 ft-lb).
G. Check the air gap between the engine deck and
the roller on the clutch. If the air gap is not within
the specified range, repeat step
measurement is within the specified range.
H. Install the divider plate; refer to
Divider Plate (page
Replacing the
Belts—Belt-Drive Models
Service Interval: Every 2 years—Replace the belts.
Models 68017C and 68021C only
Removing the Belts
1. Move the clutch lever to the O
Controlling the Paddles—Belt-drive Models (page
2. Remove the divider plate; refer to
Divider Plate (page
3. Remove the bolt that secures the belt guide to the
engine, and remove the belt guide
2
5 6 7
Figure 62
5. Idler shaft
6. Jam nut
7. Setscrew
8. Straightedge
(Figure 62).
3 until the air gap
Installing the
28).
position; refer to
FF
Removing the
28).
(Figure 63).
2
1
1. Bolt
4. Slip the forward belt forward and off the idler pulley
(Figure 64).
8
1. Engine pulley
2. Forward belt
5. Slip the rear belt rearward and off the idler pulley
(Figure 64).
6. Slip the belts off the engine pulley.
7. Remove the belts from the machine.
Installing the Belts
1. Ensure that the clutch lever is in the O
refer to Controlling the Paddles—Belt-drive Models
(page 24).
2. Align the rear belt to the rear groove in the engine
24).
pulley.
Note: Do not align the rear belt to the idler pulley.
3. Align the forward belt to the forward groove of the
idler pulley.
4. Slip the rear belt over the idler pulley and align the belt
to the rear pulley groove.
39
Figure 63
2. Belt guide
1
Figure 64
3. Idler pulley
4. Rear belt
G020010
2
3
4
G020012
position;
FF