5. Replacing the Motors Part 2: Maintenance
118
Installation : Joint #3
(1) Slide the pulley and rotor hub horizontally to remove them from the brake so as not to
cause damage to the leaf spring. The rotor hub, which is screwed on the pulley, is
attracted to the brake magnet. If you force it to separate, the leaf spring will stretch.
Leaf spring
Brake
Pulley
Rotor hub
(2) Insert the gap gauge (0.15 mm) (which is mounted in the arm bottom cover between
the brake and rotor hub), and set the pulley on the brake. At this time, the screw holes
of the pulley are in the position shown in the figure below.
Gap gauge
(0.15mm)
Screw holes
of the pulley
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