Toro MMX-1158H-S Operator's Manual page 35

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Figure 59
1. Engine pulley
2. Forward belt
5. Slip the rear belt rearward and off the idler pulley
(Figure 59).
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 Off position; refer
to Controlling the Paddles (page 21).
2. Align the rear belt to the rear groove in the engine
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.
5. Slip the forward belt over the engine pulley and align
the belt to the forward pulley groove.
6. Check the belt tension; refer to step 1, step 2, and step
3 in Adjusting the Belt Tension (page 33).
7. Loosely secure the belt guide to the engine (Figure 58)
with the bolt that was removed in step 3 of Removing
the Belts (page 34).
8. Adjust the belt guide; refer to Adjusting the Belt Guide
(page 35).
9. Install the divider plate; refer to Installing the Divider
Plate (page 25).
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G020012
3. Idler pulley
4. Rear belt
Adjusting the Belt Guide
Note: To access the belt guide, remove the divider plate;
refer to Removing the Divider Plate (page 25).
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Guide air gap: 2.5 to 4.0 mm (3/32 to 5/32 inch)
1. Ensure that the clutch lever is in the On position; refer
to Controlling the Paddles (page 21).
2. Ensure that the belt tension is correct; refer to
Adjusting the Belt Tension (page 33).
3. Check that the air gap between the belt guide and the
belts is 2.5 to 4.0 mm (3/32 to 5/32 inch); refer to
Figure 60.
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2
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G02001 1
1. Engine pulleys
2. Belts
3. Guide air gap: 2.5 to 4.0
mm (3/32 to 5/32 inch)
4. If the air gap is not within the specified range, do the
following:
A. Loosen the bolt that secures the belt guide to the
engine (Figure 60).
Important: Ensure that the belt guide is
toward the engine pulley.
B. Rotate the belt guide up or down until there is
an air gap of 2.5 to 4.0 mm (3/32 to 5/32 inch)
between the guide and each belt (Figure 60).
Important: The belt guide should not
contact the belts with the clutch lever in the
On position.
Note: If the air gap between the belt guide and
both belts cannot be attained, then one of the
belts is too long.
C. Tighten the bolt that secures the belt guide to the
engine (Figure 60).
D. Check the clutch operation; refer to Checking the
Clutch Operation (page 36).
5. Install the divider plate; refer to Installing the Divider
Plate (page 25).
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4
Figure 60
4. Belt guide
5. Bolt