Replacing The Pto Drive Belt - Toro 74266CP Operator's Manual

5. Remove the existing belt if needed.
6. Install the new belt around the mower pulleys
and the gearbox pulley under the engine
(Figure 59).
7. Install spring to the idler arm (Figure 59).
8. Install the belt guide on the spring loaded idler
at a 45 degree angle as shown in Figure 59.
9. Install the belt covers by sliding the cover into
the tab, install the bolts, and close the latches
(Figure 58).
Figure 58
1. Belt cover
2. Latch
Figure 59
1. Mower belt
2. Mower spindle pulley
3. Mower idler pulley
3. Insert slot into the tab
4. Belt guide
5. Gearbox pulley
6. Spring

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 PTO belt. Replace
the mower belt if any of these conditions are
evident.
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. Loosen the front engine panel knobs and
remove the panel (Figure 60).
Figure 60
1. Knob
4. Remove the spring from the idler arm
(Figure 61).
5. Remove the clutch stop bracket.
6. Remove the old PTO drive belt.
7. Install the PTO drive belt around the clutch
pulley and the gearbox pulley (Figure 61).
8. Intall the clutch stop bracket.
9. Install the spring to the idler arm (Figure 61).
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2. Front engine panel