Clarke EZ-8 07059A Panduan Servis - Halaman 6

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Assembly Hints

If air tools are not available to remove the drum retaining nut put a wrench on the nut and hit the wrench

with a hammer to loosen the nut.

Drum Shaft and Bearing Removal and Repair

1-Remove two screws (39) retaining the belt guard (5)

2-Remove the drum belt (9)

3-Remove the drum retaining nut (41)

4-Remove the drum (61)

5-Loosen two set screws (28) in each bearing (32)

6-Reinstall the drum retaining nut (41) to protect the threads and drive the shaft and pulley out of the

frame and bearings toward the pulley side.

7-Loosen the set screw (37) in the drum pulley (29) and pull the pulley off of the shaft

8-Remove the two bolts (7) securing each bearing (32) to the frame and remove the bearings

Reassembly

1-Mount both bearings (32) in the frame (49)

2-Install the drum pulley (29) on the shaft (34)

3-Drive the shaft and pulley assembly through the bearings. (Fig. 41)

Note: If the shaft is very difficult to drive it may be necessary to loosen and align the bearings.

4-Tighten the two set screws (28) in each bearing (32)

5-Push the drum (61) on the shaft (34) and align the keyway

6-Install the key washer (40) and drum retaining nut (41)

7-Reinstall the drum belt (9)

8-Reinstall the belt guard (5)

Assembly Hints

If the set screws in the pulley or bearings do not loosen easily use heat to loosen the thread locker

Fan Assembly Removal And Repair

1-Remove two screws (39) securing the belt guard (5)

2-Remove the fan drive belt (8)

3-Remove three retaining screws (16) and remove the fan assembly from the frame

4-Remove the pulley retaining nut (13) and use a gear puller or pry bars to remove the pulley (14)

5-Remove the pulley key (12)

6-Remove the fan retaining ring (19)

7-Pry the fan (20) off of the shaft (17)

8-Reinstall the pulley retaining nut (13) to protect the threads and drive the shaft (17) through the fan

housing from the pulley end

9-Remove the fan key (12) and press the inner bearing (11) from the shaft (17)

10-Remove the retaining ring (15) and drive the outer bearing (11) from the fan housing (10)

Reassembly

1-Press the inner bearing (11) on the shaft (17)

2-Press the outer bearing (11) in the housing (10) and install the retaining ring (15)

3-Press the shaft assembly into the housing (10) while supporting the inner race of the outside bearing

(11) and pressing on both races of the inner bearing (11)

4-Install the key (12) and wave washer (18) and press the fan (20) on the shaft (17)

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