Nexen QFB-2500 964086 - Manual (Page 6)

6 FORM NO. L-20117-F-0210
TABLE 2
TABLE 3
Shims
FIGURE 5
12 15
NOTE: Axial location of the Hub is important. Refer
to Table 3 and Figure 4 for correct Hub location
from the Housing mounting surface to the Set
Screw end of the Hub.
7. Install Disc Assembly (See Figures 1 and 2).
a. Model DFB– Install Disc Assembly (Item 4) on Hub
(Item 1).
b. Model QFB– Install one Disc Assembly (Item 4) on
Hub (Item 1), Friction Plate (Item 19) with Friction
Facing (Item 3) on both sides, then second Disc
Assembly, respectively.
8. Apply a drop of Loctite ® 242 to the threads and
install customer supplied set screw and tighten to
manufacturer’s recommended torque.
9. Install Friction Plate (Item 19) that has Friction Facings
(Item 3) on one side only (See Figures 1 and 2).
10. Apply air pressure and install Cylinder, Piston, and
Pressure Plate Assembly (Items 5, 6, and 7) onto
Housing (See Figures 1 and 2).
NOTE: Shims are required to achieve the 1.456
dimension (See Figures 5 and 6 for proper
Shim placement.)
11. Apply a drop of Loctite ® 242 to the threads of the
Socket Head Cap Screws (Item 12) (See Figure 6).
12. Install Lock Washers (Item 15) and Socket Head Cap
Screws (Item 12). Tighten to the recommended torque
(See Table 2).
L E D O M 8 M E T I 1 1 M E T I 2 1 M E T I
P A C 1 1 - 8 / 5
S W E R C S
0 5 1 1 - B F D
0 5 1 1 - B F Q
. s b L /. n I 4 4 2 . s b L /. t F 2 2 - 0 2 . s b L /. t F 9 8 . s b L /. t F 5 4 1
0 5 6 1 - B F D
0 5 6 1 - B F Q
. s b L /. n I 5 3 4 . s b L /. t F 2 2 - 0 2 . s b L /. t F 9 8 . s b L /. t F 5 4 1
0 0 2 2 - B F D
0 0 2 2 - B F Q
. s b L /. n I 5 3 4 . s b L /. t F 2 2 - 0 2 . s b L /. t F 9 8 . s b L /. t F 5 4 1
0 0 5 2 - B F D
0 0 5 2 - B F Q
. s b L /. n I 5 3 4 . s b L /. t F 2 2 - 0 2 . s b L /. t F 9 8 . s b L /. t F 5 4 1
FIGURE 4
L E D O M N O I T A C O L B U H L E D O M N O I T A C O L B U H
0 5 1 1 - B F D . n I 8 / 3 - 4 0 5 1 1 - B F Q . n I 2 3 / 5 2 - 6
0 5 6 1 - B F D . n I 4 6 / 5 - 5 0 5 6 1 - B F Q . n I 8 / 5 - 6
0 0 2 2 - B F D . n I 6 1 / 5 - 6 0 0 2 2 - B F Q . n I 6 1 / 5 1 - 8
0 0 5 2 - B F D . n I 4 / 1 - 6 0 0 5 2 - B F Q . n I 2 3 / 1 3 - 8
17 18 12 16 6
FIGURE 6
15
INSTALLATION (continued)