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Figure 77
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 mower belt. Refer to Replacing the Mower
Belt in Maintenance.
4. Raise the machine and support it with jack stands
(Figure 78).
3. Ensure the tab is under
the metal catch
1. Idler pulley
2. Clutch pulley
3. Pump drive belt
4. Right hand hydraulic pump
pulley
5. Use a ratchet in the square hole in the idler arm to
remove the idler spring (Figure 78).
6. Unhook the idler spring from the frame (Figure 78).
7. Remove the belt from the hydraulic unit drive pulleys
and the engine pulley
8. Install the new belt around engine pulley and the two
drive pulleys.
9. Using a ratchet in the square hole in the idler arm,
install the idler spring to the frame (Figure 78).
10. Install the mower belt. Refer to Replacing the Mower
Belt.
51
Figure 78
5. Left hand hydraulic pump
pulley
6. Square hole in idler arm
7. Idler spring
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