Clean Under Deck; Belt Inspection; Replacing The Deck Belt - Toro 74198 Operator's Manual

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Figure 55
1. Pivot bolt
2. Throttle lever
3. Belleville washers
4. Tab washer

Clean Under Deck

Remove grass build up under deck daily.
1. Position mower on a flat surface. Stop the engine, set
the parking brake, remove the key and disconnect the
spark plug wire(s) from the spark plug(s).
2. Raise deck to the transport position.
3. Lift the front of unit and support unit using jack
stands.
Danger
Mechanical or hydraulic jacks may fail to support
machine and cause a serious injury.
Use jack stand when supporting machine.
Do not use hydraulic jacks.

Belt Inspection

Inspect all belts every 100 hours.
1. Check belts for cracks, frayed edges, burn marks or
any other damage. Replace damaged belts.

Replacing the Deck Belt

Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn deck belt. Replace the deck belt if any of
these conditions are evident.
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5. Washer
6. Bracket
7. Nut
39
1. Stop the engine, set the parking brake, remove the key
and disconnect the spark plug wire(s) from the spark
plug(s).
2. Remove belt covers over outside spindles.
3. Loosen outer nut on spring eye bolt (Fig. 56).
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6
Figure 56
Top View
1. Outer nut
2. Idler pulley
3. Idler arm
4. Spring eye bolt
4. Remove belt. Start at outside pulley and rotate off
(Fig. 57).
Note: Dot not remove spring.
Caution
Spring is under tension when installed and can
cause personal injury.
Do not remove spring from spring eye bolt.
5. Remove spring loaded idler pulley (Fig. 56).
6. Route new belt through idler arm (Fig. 56).
7. Reinstall idler pulley and route belt onto other pulleys
(Fig. 57).
8. Retighten outer nut on spring eye bolt (Fig. 56).
Note: Check spring length. The spring should measure
9.375 .125 (238 mm .3 mm) when installed. Adjust if
it does not (Fig. 56).
9. Install belt covers over outside spindles.
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7
m–4197
5. Spring
6. 9.375 .125
(238 mm .3 mm)
7. Deck belt