Toro 74942, Руководство оператора

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Figure 79
1. Position the belt cover 3. Ensure the tab is under
the metal catch
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 80).
Figure 80
1. Idler pulley 5. Left hand hydraulic pump
pulley
2. Clutch pulley 6. Square hole in idler arm
3. Pump drive belt 7. Idler spring
4. Right hand hydraulic pump
pulley
5. Use a ratchet in the square hole in the idler arm to
remove the idler spring (Figure 80).
6. Unhook the idler spring from the frame (Figure 80).
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 80).
10. Install the mower belt. Refer to Replacing the Mower
Belt.
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