Clarke 07127A Benutzerhandbuch - Seite 4

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Pad Removal and Replacement

1-Remove paper retaining bolt (37)

2-Wedge dust fan with screwdriver or similar object

3-Use spanner wrench (Fig. 28) or punch and hammer (Fig. 29) to remove pad

Note: When replacing the old style steel pad with the new style aluminum the fiber washers between the

pad and lower bearing must be discarded.

Gearbox Removal and Repair

1-Remove pad (35)

2-Remove wall guard

3-Remove three screws (31) from gear cover (29)

4-Press jackshaft (23), gear (22) and bearing (20) assembly out of the cover using the paper retaining

screw to prevent damage to the shaft

5-Remove retaining ring (20) and press the jackshaft out of the gear and bearing

6-Remove retaining ring (25) and press bearing out of the cover

Reassembly

1-Press bearing (27) in cover using outer race only

2-Install seal (26) and Retaining ring (25)

3-Install key (24) and press gear (22) on jackshaft

4-Press bearing (21) on jackshaft using the inner race only

5-Install retaining ring (20)

6-Press the jackshaft assembly into the cover assembly by pressing on the upper end of the jackshaft

while supporting the inner race of the cover bearing

Pinion Gear Removal

1-Remove four screws (4) securing the field housing assembly

2- Remove field housing assembly by holding the handles and gently tapping down on the lower housing

(8)

3-Remove the dust baffles (72)

4-Pry the armature assembly up and out of the lower housing (Fig. 30)

5-Remove retaining ring (78)

6- Use gear puller to remove bearing (76) and pinion gear (77) from armature

Reassembly

NOTE: Lower gearbox assembly must be removed when reinstalling the pinion

1-Press bearing (76) and seal (75) in lower housing (8)

2-Press armature into the lower housing assembly

3-Install key (74)

4-Press pinion gear on armature

5-Reinstall the lower gear housing assembly

Armature Replacement

1-Remove four screws (4) securing the field housing assembly

2- Remove field housing assembly by holding the handles and gently tapping down on the lower housing

(8)

3-Remove the dust baffles (72)

4-Pry the armature assembly up and out of the lower housing (Fig. 30)

5-Remove pinion gear (77) and bearing (76)

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