Install Upper Pulley, Bearings And Brake - GE AMX-4+ Technical Manual

GE MEDICAL SYSTEMS
REV 5
4 4 4

Install Upper Pulley, Bearings and Brake

4. Remove retaining ring from end of pulley shaft.
5. Remove pulley shaft bearing, key, pulley and cables from mounting bracket.
6. Remove bearing from mounting bracket.
7. Place bearing on pulley shaft and insert key.
8. Place pulley in position in the mounting bracket.
9. Insert pulley shaft, bearing and key into mounting bracket and through pulley.
10. Place bearing in mounting bracket on end of pulley shaft.
11. Place retaining ring on end of pulley shaft.
12. Replace pulley set screws and secure firmly.
1. Place pulley and brake assembly near upper end of vertical column. See Illustra
tion 4-6.
2. Remove the nuts from the stud ends of main and safety cables.
3. Insert each cable into pulley and brake assembly along the side of the pulley then
lift it into its assigned pulley groove.
D The ball ends of these cables are attached to the counterweight.
4. Insert main and safety cables into the column through slot provided.
5. Check that the brake cable is exiting pulley and brake assembly through hole in
casting.
6. Replace pulley and brake assembly in top of column while sliding the brake cable
through slot in top of column.
D This must be done together or the brake cable may be damaged.
7. Replace the Heyco bushing in column where brake cable passes through column
and enters pulley and brake assembly.
D Bushing extends into pulley and brake casting.
8. Apply Loctite and replace capscrews securing pulley and brake assembly to top
of column. Torque to 50-70 pound-inches (5.6 to 7.8 N-m).
4-13
(MODEL 2169360, 2236420 & 2275938 SERIES)
DIRECTION 2173225-100
AMX-4+ SERVICE