Replacing The Hydraulic Pump Drive Belt - Toro 74143 Operator's Manual

Figure 57
1. Position the belt cover
2. Slide belt cover under the
side catches
Replacing the Hydraulic Pump
Drive Belt
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 mower belt. Refer to Replacing the Mower
Belt in Maintenance.
4. Raise the machine and support it with jack stands
(Figure 59).
5. Remove the clutch stop shown in Figure 58.
Figure 58
1. Clutch stop
6. Remove the idler spring from the post (Figure 59).
7. Remove the existing belt from the hydraulic unit drive
pulleys and the engine pulley
3. Ensure the tab is under
the metal catch
1
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8. Install the new belt around the engine pulley and the
two drive pulleys.
2
1
6
1. Idler pulley
2. Idler spring post
3. Engine pulley
9. Install the clutch stop shown in Figure 58.
10. Install the mower belt. Refer to Replacing the Mower
Belt.
42
Figure 59
4. Pump drive belt
5. Right hand hydraulic pump
pulley
6. Left hand hydraulic pump
pulley
3
4
5
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