Toro Z-Master Z149 - Throttle Lever Adjustment; Clean under Deck; Belt Inspection; Replacing the Deck Belt

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Note: Increase tension by lengthening the push arms and
decrease tension by shortening push arms.
m–3740
1
3
2
1
Figure 43
1. Push arm
2. 15-5/16″ (389 mm)
nominal
3. Jam nut
4. Ball joint
Throttle Lever Adjustment
The tension can be adjusted by adjusting the tightness of
lever pivot bolt. Do this when needed.
1. Stop engine, remove ignition key.
2. Remove console from machine to gain access to
throttle lever.
3. Tighten nut and bolt. Test lever and adjust to desired
tension (Fig. 44).
m-4643
1 3 4 2 5 6 7
Figure 44
1. Pivot bolt
2. Throttle lever
3. Belleville washers
4. Tab washer
5. Washer
6. Bracket
7. Nut
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.
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. 45).
2
M-4197
14
3
7
5
6
Figure 45
Top View
1. Outer nut
2. Idler pulley
3. Idler arm
4. Spring eye bolt
5. Spring
6. 9.375±.125
(238 mm±.3mm)
7. Deck belt
4. Remove belt. Start at outside pulley and rotate off
(Fig. 46).