FORM NO. L-20087-R-0318
10
NOTE: Refer to Figure 6.
1. Remove the Retaining Ring (Item 9).
2. Press the Friction Disc Hub (Item 1) out of the Ball
Bearing (Item 8).
3. Remove the Retaining Ring (Item 10).
4. Press the old Ball Bearing (Item 8) out of the Air
Chamber (Item 4).
5. Alternately and evenly remove the three old Shoulder
Bolts (Item 6) and Compression Springs (Item 7) (See
Warning above).
6. Separate the Piston Plate (Item 3) and split Friction
Facing (Item 5) from the Air Chamber (Item 4).
7. Remove Piston (Item 2) from Air Chamber (Item 4).
8. Remove the old O-ring Seals (Items 11 and 12) from
the Piston (Item 2).
9. Clean the bearing bore of the Air Chamber (Item 4)
with solvent to remove all old Loctite
®
residue.
10. Apply an adequate amount of Loctite
®
680 to evenly
coat the O.D. of the new Ball Bearing (Item 8) and
press the new Ball Bearing into the Air Chamber (Item
4).
11. Reinstall the Retaining Ring (Item 10).
12. Clean the o-ring grooves of the Piston (Item 2) and
o-ring contact surfaces of the Air Chamber (Item 4);
then, lubricate the new O-ring Seals (Item 11 and 12)
and the o-ring grooves and contact surfaces of the
Piston and Air Chamber with a thin film of fresh o-ring
lubricant.
13. Install the new O-ring Seals (Items 11 and 12) onto
the Piston (Item 2).
NOTE: Avoid pinching the O-ring Seals when assembling
the Piston and Air Chamber.
14. Slide the Piston (Item 2) into the Air Chamber (Item
4).
15. Align the pins on the Air Chamber (Item 4) with the
holes in the Piston Plate (Item 3) and slide the Piston
Plate and split Friction Facing (Item 5) onto the Air
Chamber.
16. Clamp the Piston Plate (Item 3) and Air Chamber (Item
4) together with C-clamps.
17. Apply Loctite
®
242 to the threads of the three new
Shoulder Bolts (Item 6) and install the new Shoulder
Bolts and new Compression Springs (Item 7).
18. Alternately and evenly tighten the three new Shoulder
Bolts (Item 6) to the recommended torque (See Table
4).
19. Remove the C-clamps.
20. Supporting the inner race of the Ball Bearing (Item
8), press the Friction Disc Hub (Item 1) into the Ball
Bearing.
21. Reinstall the Retaining Ring (Item 9).
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take
the appropriate safety precautions.
TABLE 4
MODEL
BOLT SIZE
TIGHTENING
TORQUES
S-450
0.190-24
46.0 in-lb. [5.2 Nm]
S-450A
S-600
0.312-18
245.0 in-lb. [27.7 Nm]
S-600A
S-800
S-800A
S-1000
S-1000A
S-1200
0.375-16
585.0 in-lb [66 Nm]
S-1400
