Toro 30488, Руководство оператора

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Belt Maintenance
Replacing the Mower Belt
Service Interval: Every 50 hours
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn deck belt. Replace the deck belt if any of
these conditions are evident.
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. Unlatch and remove the carrier-frame cover.
4. Unlatch and remove the belt covers.
5. Remove the PTO drive belt; refer to Replacing the
PTO-Drive Belt (page 39)
6. Disconnect the idler arm spring to relieve tension on
the idler arm and idler pulley, then remove the worn
mower belt (
Figure 49 ).
7. Install the new mower belt around the 2 outside spindle
pulleys, the idler pulley, and in the lower groove of the
double-spindle pulley (
Figure 49 ).
8. Connect the idler-arm spring ( Figure 49 ).
9. Install the PTO-drive belt; refer to Replacing the
PTO-Drive Belt (page 39) .
10. Adjust the belt guide 3 mm (1/8 inch) from the belt
(
Figure 49 ).
11. Install the belt covers onto the cutting unit and secure
the latches.
12. Install the carrier-frame cover onto the cutting unit and
secure the latches.
g014676
Figure 49
1. Outside pulley 4. Mower-deck belt
2. PTO-drive belt 5. Belt guide
3. Idler-arm spring
6. Center spindle pulley
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