Replacing The Mower Belt; Replacing The Pto Drive Belt - Toro 30319 Operator's Manual

Mid-size, t-bar, gear, 15hp with 52 in side-discharge mower
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5. Disconnect clutch wire connector from wire
harness.
6. Disconnect clutch retainer from the engine
deck (Figure 51).
Figure 51
1. Transmission belt
2. Idler pulley
3. Clutch retainer
4. Tension spring
7. Unhook tension spring from side of frame
(Figure 51).
8. Loosen pivot bolt enough to remove traction
belt from the drive pulley and clutch.
9. Install new belt around clutch and drive pulley.
10. Torque pivot bolt to 35-40 ft-lb (47-54 N·m).
Install tension spring between idler arm and
frame bracket (Figure 51).
11. Install clutch retainer to the engine deck
(Figure 51).
12. Connect clutch wire connector to wire harness.
13. Install PTO drive belt.

Replacing the Mower 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. Disengage the PTO 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. Remove the knobs/rubber washers holding
the carrier frame cover and remove the carrier
frame cover.
5. Clutch wire connector
6. Pivot bolt
7. Drive pulley
8. Engine deck
4. Remove the knobs/rubber washers holding
the belt cover to the cutting unit and remove
the belt cover.
5. Remove the PTO drive belt. Refer to Replacing
the PTO Drive Belt in Belt Maintenance,
page 37.
6. Disconnect the idler arm spring to relieve
tension on the idler arm and idler pulley, then
remove the worn mower belt (Figure 52).
7. Install the new mower belt around the two
outside spindle pulleys, the idler pulley, and in
the lower groove of the double spindle pulley
(Figure 52).
8. Connect the idler arm spring (Figure 52).
9. Install the PTO drive belt. Refer to Replacing
the PTO Drive Belt in theBelt Maintenance,
page 37.
10. Adjust the belt guide an 1/8 inch (3 mm) from
the belt (Figure 52).
11. Install the belt cover onto the cutting unit, then
install and tighten the knobs/rubber washers.
12. Install the carrier frame cover onto the cutting
unit, then install and tighten the knobs/rubber
washers.
Figure 52
1. Mower deck belt
2. Idler arm spring
3. Outside pulley

Replacing the PTO Drive Belt

Squealing when the belt is rotating, blades slipping
when cutting grass, frayed belt edges, burn marks
and cracks are signs of a worn drive belt. Replace
the drive belt if any of these conditions are evident.
1. Disengage the PTO and set the parking brake.
38
4. PTO Drive Belt
5. Center spindle pulley
6. Belt guide

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