Adjusting The Push Arms; Inspecting The Belts; Replacing The Deck Belt - Toro 74199 Operator's Manual

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.

Adjusting the Push Arms

1. To adjust push arms, loosen jam nut and rotate ball
joint counterclockwise, one turn at a time. (Fig. 60).
2. Adjust each side the same amount. Each push arm
should have a nominal length of 15-5/16 inch
(389mm) (Fig. 60).
Note: Increase tension by lengthening the push arms and
decrease tension by shortening push arms.
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1
Figure 60
1. Push arm
2. 15-5/16 inch (389 mm)
nominal

Inspecting the Belts

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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2
m–6273
3. Jam nut
4. Ball joint
44
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. 61).
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1 4 5
6
Figure 61
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. 62).
Note: Do 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. 61).
6. Route new belt through idler arm (Fig. 61).
7. Reinstall idler pulley and route belt onto other pulleys
(Fig. 62).
8. Retighten outer nut on spring eye bolt (Fig. 61).
Note: Check spring length. The spring should measure
9–3/8 inch 1/8 inch (238 mm
Adjust if it does not (Fig. 61).
9. Install belt covers over outside spindles.
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7
M–4197
5. Spring
6. 9–3/8 inch 1/8 inch
(238 .3 mm)
7. Deck belt
3 mm) when installed.