Case 580SR Service Manual page 818

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1. Cover screw

2. Dust cover

All clutch servicing should be done with the com-

pressor removed from the vehicle. Support the com-

pressor. If using a vice, do not hold on to the

housing. If dust cover (2) is present, remove the 3 or

6 bolts (1) holding it in place and remove cover. If

auxiliary sheet metal pulley is present, remove the

screws holding it in place. Then remove pulley.

Attach tool to the cover on the front of the clutch

plate and placing a socket and ratchet through the

tool remove the cover attaching nut (3).

Using the front plate tool and a tommy bar hold the

clutch plate stationary.

Place the bolt into the tool and by tightening the bolt

onto the end of the shaft the front plate will be ex-

tracted from the shaft.

If shims (5) are above shaft key, remove them now.

If shims (5) are below shaft key, the key and bearing

dust cover (if present) must be removed before

shims can be removed.

Remove dust cover (6) (if present). Use caution to

prevent distorting cover when removing it.

Remove shaft key by tapping loose with a flat blade

screwdriver and hammer. Remove shims (5). Use a

pointed tool and a small screwdriver to prevent the

shims from binding on the shaft.

SECTION 50 - CAB HEATING AND AIR CONDITIONING

7. Snap ring

8. Rotor assembly

9. Snap ring

10. Field coil

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