Gradall 534B (9103-1390) Service Manual - Manual (Page 198)

PLANETARY WITH WET DISC BRAKE
(10)
Install the sector plates (1).
Install with the sharp edges toward
the outside.T
Clean and remove grease from the
bolts (2) and the threaded holes.
Install and tighten bolts (2).
See specification STB 1-204 Install the special tool (1) and
tighten bolts (2).
Tighten bolt (3) to remove slack from
the brake system. Measure distance “B” between the
bearing surface of the sun gear and
the upper surface of the sector.
plates.
Remove the special tool.
Measure distance “B” between the
bearing surface and the bearing
surface of the cover.
Calculating the shimming.
A - B = C (clearance),
Operating play of the brake, see
Specification STB 1-204.
C - play = X (shimming). Install a new o-ring seal (1) in the
hub. Install the shim X onthe sun gear
with the chamfer pointed toward
the bearing.