Nexen FMCE 625 801683 - Manual (Page 8)

8 FORM NO. L-20319-H-1112
NOTE
The Flat Head Machine Screws (Item 7) are assembled
with an anaerobic locking compound. Inserting a
properly fitting screwdriver into the head of the Flat Head
Machine Screw and striking the end of the screwdriver
with a hammer will break the crystalline structure of the
locking compound and allow removal of the Flat Head
Machine Screws. Never use an impact wrench to remove
the Flat Head Machine Screws.
2. Remove the six old Flat Head Machine Screws (Item
7) and the first old split Friction Facings (Item 11) (See
Figure 10).
3. Align the holes in the Splined Disc (Item 9) with the Flat
Head Machine Screws (Item 7) that secure the second split
Friction Facing (Item 11) (See Figure 10).
4. Remove the six old Flat Head Machine Screws (Item 7) and
the second old split Friction Facing (Item 11) (See Figure
10).
5. Install the first new split Friction Facings (Item 11) and new
Flat Head Screws (Item 7) (See Figure 10).
6. Tighten the six new Flat Head Machine Screws to the
recommended torque (See Table 2)
7. Install the second new split Friction Facings (Item 11) and
six new Flat Head Machine Screws (Item 7) (See Figure
10).
8. Tighten the six new Flat Head Machine Screws to the
recommended torque (See Table 2).
9. Apply a drop of Loctite 242 to the threads of the four Socket
Head Cap Screws (Item 13) (See Figure 9).
11
11
11
11
7
9
7
FIGURE 10
TABLE 2
PARTS REPLACEMENT–INPUT BEARING
NOTE
The following sections are arranged by model. Verify that you are in the correct section for your model.
If an Input Unit is installed on the FMCBE, it must be removed before servicing the FMCBE.
MODEL 625
1. Remove the four Socket Head Cap Screws (Item 13) and
separate the two halves of the FMCBE (See Figure 11).
WARNING
Special attention should be exercised when working
with retaining rings. Always wear safety goggles when
working with spring or tension loaded fasteners or
devices.
2. Remove the Retaining Ring (Item 6) and press the Drive
Disc (Item 4) out of Housing (Item 1) (See Figure 12).
3. Remove the Retaining Ring (Item 3) (See Figure 12).
10. Install and tighten the four Socket Head Cap Screws
(Item 13) securing the two halves of the FMCBE to the
recommended torque (See Table 2).
13
FIGURE 11
RECOMMENDED TIGHTENING TORQUE
MODEL ITEM 7 ITEM 13
FMCBE-625 26 In. Lbs. [2.9 Nm] 10.5 Ft. Lbs. [14.24 Nm]
FMCBE-875 26 In. Lbs. [2.9 Nm] 24.5 Ft. Lbs. [33.22 Nm]
FMCBE-1125 71 In. Lbs. [8.02 Nm] 24.5 Ft. Lbs. [33.22 Nm]