GE AMX 4+, Technical Manual

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4-14
Connect Brake
1. Insert brake cable through top ofchannel on back ofcolumn and down into terĆ
minal box.
2. Connect upper brake cable leads to terminal block. See Illustration 4-2.
3. Replace terminal box cover located on back ofvertical column and secure with
two screws.
4. Install main and safety cables on the carriage cable mounting strut. Refer to SecĆ
tion 4-4.
5. Install vertical column. Refer to Section 4-2.
Remove Upper Pulley, Bearings and Brake
(Alternate)
This procedure can be used to replace the brake without removing the vertical
column
1. Remove horizontal arm. Refer to Section 3-5.
D It is not necessary to remove yoke from arm.
2. Disconnect upper brake. Refer to Section 4Ć4Ć1.
3. Disconnect main and safety cables from carriage. Refer to Section 4Ć6.
4. Move carriage to bottom ofcolumn.
5. Remove four capscrews securing pulley and brake assembly to top of column.
6. Remove 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.
7. Remove pulley and brake assembly from top of column while sliding the brake
cable through slot in top ofcolumn.
D This must be done together or the brake cable may be damaged.
8. Remove screws holding upper brake to the mounting bracket.