Nexen BSB07 965040 - Manual (Page 10)

10
FORM NO. L-21225-F-0813
15. Position Friction Facing (Item 8) in the Air Chamber
(Item 6) so the angled surfaces match up with the wall
of the Air Chamber and the tapered disc of the Output
Shaft (Item 1).
16. Replace the Backing Plate (Item 15), Springs (Item 9)
and Input Flange (Item 10). Note: Only BSB 7 has
Spring Backing Plate and multiple Springs.
17. Apply a drop of Loctite® 242 (blue) to the threads of
the eight Socket Head Cap Screws (Item 11).
18. Reinstall and tighten the eight Socket Head Cap
Screws (Item 11), securing the Air Chamber (Item 6) to
the Input Flange (Item 10). Alternately tighten the eight
Cap Screws to keep the input flange parallel to the
Air Chamber. Refer to Table 5 for the recommended
assembly torque. Figure 9 BSB 7
Item 14
Item 9
Item 10
Item 11
Item 7
Item 15
Item 8
FRICTION FACING ASSEMBLY
NOTE: Refer to Figure 10
1. Alternately and evenly, remove the eight Socket Head
Cap Screws (Item 11) and separate the Air Chamber
(Item 6) from the Input Flange (Item 10).
2. Remove the Input Flange (Item 10), Backing Plate
(Item 15) and ten Springs (Items 9). Note: Only BSB
7 has Spring Backing Plate and multiple Springs.
3. Remove and replace the Friction Facing (Item 8) in the
Air Chamber (Item 6). Make certain that the angled
sides mate with the wall of the Air Chamber and the
tapered disc of the Output Shaft (Item 1).
4. Replace the Backing Plate (Item 15), Springs (Item 9)
and Input Flange (Item 10). Note: Only BSB 7 has
Spring Backing Plate and multiple Springs.
5. Apply a drop of Loctite® 242 (blue) to the threads
of each of the eight Socket Head Cap Screws (Item
11).
6. Reinstall and tighten the eight Socket Head Cap
Screws (Item 11), securing the Air Chamber (Item 6)
to the Input Flange (Item 10). Alternately tighten the
eight Cap Screws so the Input Flange stays parallel
to the Air chamber Item 6) and does not pinch any
of the Springs (Item 9). Refer to Table 5 for the
recommended assembly torque.
Figure 10
Item 1
Item 2
Item 3
Item 4
Item 5
Item 6
Item 23
Table 5
Model
Socket Head
Cap Screw
(Item 11)
Recommended
Assembly Torque
BSB 2 M4
4.2 - 5.4 Nm
[37 -48 in-lbs]
BSB 3 M5
7.0 - 9.2 Nm
[62 -81 in-lbs]
BSB 4 M6
9.2 - 1.9 Nm
[81 - 105 in-lbs]
BSB 5 M8
26.2 - 34.0 Nm
[232 - 301 in-lbs]
BSB 7 M5
7.0 - 9.2 Nm
[62 -81 in-lbs]
CAUTION
Working with spring or tension loaded
fasteners and devices can cause injury.
Wear safety glasses and take the
appropriate safety precautions.