4-25
% # !$
"
1. Remove column base. Refer to Section 4Ć10.
2. Loosen two set screws on pulley hub. See Illustration 4-14.
ILLUSTRATION 4-14
COLUMN
BASE
BEARING
RETAINING RING
SET SCREW
PULLEY
RETAINING RING
BEARING
PULLEY SHAFT
3. Remove external retaining rings from pulley ends of pulley shaft.
4. Pull out shaft and remove pulley.
5. Remove bearings from column base casting.
% # !$
1. Insert bearings in bearing seats in column base casting. See Illustration 4-14.
2. Push pulley shaft through left bearing. Slide pulley on shaft with pulley hub toĆ
ward right bearing.
3. Insert pulley shaft in right bearing and secure shaft with one external retaining
ring in groove on each end of shaft.
4. Tighten two set screws on pulley hub.
5. Install column base. Refer to Section 4-2.
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