Toro HDX SD 2000 Serie Manuel De L'utilisateur page 51

Belt Maintenance
Inspecting the Belts
Service Interval: Every 50 hours
Replace the belt if it is worn. The signs of a worn belt
include squealing while the belt is rotating; the blades
slipping while cutting grass; and frayed edges, burn
marks, and cracks on the belt.
Replacing the Mower Belt
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Lower the mower to the 76 mm (3 inch) height
of cut.
4. Loosen the bolt on each belt cover.
5. Loosen the bottom bolt holding the mower-deck
curtain to the mower deck; refer to
the Mower-Deck Curtain (page
6. Remove the sheet-metal guard; refer to
Removing the Sheet-Metal Guard (page
7. Remove the belt covers and the bolts attached
to them (Figure 60).
Figure 60
8. Remove the spring tension from the
spring-loaded idler pulley. Refer to
Note:
Use the spring removal tool (Toro Part
No. 92-5771) to remove the spring from the
mower-deck post
9. Remove the belt from the mower-deck pulleys
and the clutch pulley.
10. Install the new belt around the mower pulleys
and the clutch pulley under the engine
61).
Releasing
34).
Figure
(Figure 62).
(Figure
1. Clutch pulley
2. Mower belt
35).
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62.
1. Spring-removal tool (Toro
Part No. 92–5771)
2. Idler spring
3. Mower-deck post
11. Install the idler spring
Note:
grooves.
49
Figure 61
3. Spring-loaded idler pulley
4. Spring
Figure 62
4. Idler arm
5. Mower belt
(Figure
Seat the spring ends in the anchor
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61).