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Figure 55
1. Three stack pulleys
3. Mower spindle pulley
2. Mower belt
4. Mower idler pulley
Replacing the Drive Belts
Squealing when the belt is rotating, blades slipping
when cutting grass, frayed belt edges, burn marks
and cracks are signs of a worn mower belt. Replace
the mower belt if any of these conditions are
evident.
Note:
Remove the top drive belt first if the
bottom drive belt needs to be replaced.
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. Remove the rear engine panel (Figure 56).
Figure 56
1. Rear engine panel
4. Pull on the spring loaded idler pulley to loosen
the belt tension (Figure 57).
5. Remove the worn drive belt.
6. Install the new drive belt around the clutch
pulley, the adjustable idler pulleys, the spring
loaded idler pulley, and the front three stacked
pulleys (Figure 57).
7. Adjust the belt tension; refer to Adjusting the
Drive Belts.
Figure 57
1. Drive belt
4. Adjustable idler pulley
2. Clutch
5. Three stacked pulleys
3. Spring loaded idler pulley
6. Mower belt
Adjusting the Drive Belts
Adjust the drive belts after the first 8 operating
hours and every 50 hours there after.
1. Disengage the PTO, move the motion control
levers to the neutral locked position and set
the parking brake.
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Summary of Contents for 74280TE
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