SECTION 3 - CHASSIS & TURNTABLE
3121171
3-85
2.
Apply ring of Loctite 641 or equivalent adhesive to full
circumference of housing (2) bearing recess adjacent to
shoulder. Apply complete coverage of Loctite 641 to
outside diameter of bearing (10) and assemble fully in
housing (2), retaining with internal retaining ring (11).
Remove excess adhesive with clean cloth. Press shaft (1)
through bearing (10), ensuring bearing inner ring is ade-
quately supported.
3.
Assemble correct quantity of springs (8) as shown. Refer
to (See Figure 3-53.)and (See Figure 3-54.).
4.
Lubricate O-ring seals (15 & 17) with Molykote 55M (or
equivalent) silicone grease and assemble together with
backing rings (16 & 18) to piston (9). To ensure correct
brake operation, it is important that the backing rings
are assembled opposite to the pressurized side of piston
(9).
5.
Correctly orientate piston (9) aligning spaces with the
two dowel pin holes and, assemble into cylinder hous-
ing (2) taking care not to damage seals and carefully lay
aside.
6.
Loctite two-off pins (19) in housing (2) followed by pres-
sure plate (4) and friction plates i.e. an inner (3) followed
by an outer (6) in correct sequence.
7.
Position gasket (7) in correct orientation.
8.
Align two holes in cylinder with dowel pins (19) and
assemble piston & cylinder sub-assembly to remainder
of brake securing with 6-off socket head capscrews and
washers (13 & 14). Torque to 55ft-lb (75 Nm).
NOTE:
Use of a suitable press (hydraulic or arbor) pressing down
on cylinder end face “B” will ease assembly of socket head
capscrews (13).
Figure 3-53. Swing Brake 8 Spring Orientation
Figure 3-54. Swing Brake 12 Spring Orientation
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