Toro Z580-D, Руководство оператора, Страница: 44 / 68

Figure 54
1. Spring loaded idler pulley 3. PTO drive belt
2. Clutch 4. Gear box
6. Unplug the electric connection for the clutch
(Figure 55).
7. Remove the two bolts holding the rubber clutch
strap to the mower frame (Figure 55).
8. Remove the center bolt holding the clutch to
the engine shaft and remove the clutch and key
(Figure 55).
Figure 55
1. Clutch 4. Clutch center bolt
2. Two bolts and nuts for
clutch strap 5. Electrical connection
3. Rubber clutch strap
9. Insert a 0.015–0.021 inch (0.381–0.533 mm) feeler
gauge through one inspection slot in the side of the
assembly. Make sure it is between the armature and
the rotor friction surfaces (Figure 56).
10. Tighten the lock nuts until there is slight binding on
the feeler gauge but it can be moved easily within the
air gap (Figure 56).
11. Repeat this for the remaining slots.
12. Check each slot again and make slight adjustments
until the feeler gauge between the rotor and armature
has very slight contact between them.
Figure 56
1. Slot 3. Feeler gauge
2. Adjusting nut
13. Install the clutch to the engine shaft with the key.
14. Apply blue Loctite® (or equivalent) to the center
bolt.
15. While holding the crank shaft at the back of the
machine, install the center bolt and torque it to 50
ft-lbs (68 N-m) (Figure 55).
16. Install the rubber clutch strap to the mower frame
with the two previously removed bolts and nuts
(Figure 55).
17. Pull up on the spring loaded idler for the PTO drive
belt and install it onto the clutch pulley (Figure 54).
18. Plug in the electric connection for the clutch
(Figure 55).
19. Install the front engine panel and tighten the knobs.
20. Lower down the seat.
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