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Adjusting The Mower Belt Tension - Toro 74246 Operator's Manual

60 in turbo force side discharge mower
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4. Loosen the nut securing the idler plate and move the
idler plate to relieve the belt tension on the idler
pulley, then remove the worn mower belt (Fig. 75).
5. Install the new mower belt around the mower spindle
pulleys, mower idler pulley, into the belt guides, into
rear idler arm assembly, and the clutch (Fig. 72).
Important
Check the amount of twist in the belt
between the pulleys. Make sure it is only what is specified
in Figure 72.
5
3
2
Figure 72
1. Clutch
2. Mower belt
3. 1/4 turn belt twist
6. Adjust the belt tension, refer to Adjusting the Mower
Belt Tension; page 49.
7. Install the belt covers and close the latches (Fig. 73).
2
1
1
Figure 73
1. Belt cover
1
3
3
4
3
4
6
m–6825
4. Belt guide
5. Mower spindle pulley
6. Mower idler pulley
m–6824
2. Latch
Adjusting the Mower Belt
Tension
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Raise the mower to the transport position.
Important
Check the amount of twist in the belt
between the pulleys. Make sure it is only what is specified
in Figure 72.
Important
Check and make sure the belt is installed
into both the front and rear belt guides (Fig 74).
4. Check the belt tension. The spring loaded idler center
bolt needs to be near the top alignment hole in left
support plate (Fig 74).
3
1
Figure 74
1. Center bolt
2. Alignment hole
5. If adjustment is required, loosen the mower idler plate
and adjust it (Fig. 75).
6. Insert a ratchet or breaker bar into the square hole in
the mower idler plate to adjust the tension (Fig. 75).
7. To increase belt tension, rotate the mower idler plate
until resistance is felt and rotation stops. Do not go
past when it stops (Fig. 75).
49
1
2
M–4417
3. Left support plate
4. Spring loaded idler

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