Nexen FMBES-875 827343 - Manual (Page 8)

4 FORM NO. L-20323-D-0300
PARTS REPLACEMENT
NOTE
The following sections are arranged by model. Verify that you are in the correct section for your model.
FRICTION FACING—FMBES-CC
1. Remove the six Socket Head Cap Screws (Item 11)
(See Figure 4).
2. Remove the Pipe Plug (Item 30); then, loosen the Set
Screw (Item 29) (See Figure 4).
3. Separate the two halves of the FMBES-CC (See
Figure 4).
CAUTION
The Disc Plate (Item 8) is under pressure from the
Compression Springs (Item 14). Alternately and evenly
remove the Socket Head Cap Screws (Item 10). Always
wear safety goggles when working with spring or tension
loaded fasteners or devices.
4. Remove the six Socket Head Cap Screws (Item 10);
then, remove the Disc Plate (Item 8) from the Piston
(Item 5) (See Figure 4).
NOTE
The Flat Head Machine Screws (Item 13) are
assembled with an anaerobic thread 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.
5. Remove the six Flat Head Machine Screws (Item 13)
and the worn Friction Facing (Item 3) from the Rotor
(Item 2) (See Figure 4).
6. Press the Shaft (Item 1), Ball Bearing (Item 9), and Rotor
(Item 2) from the Housing (Item 7) (See Figure 5).
7. Remove the six Flat Head Machine Screws (Item 13)
and the worn Friction Facing (Item 3) from the Friction
Disc (Item 4) (See Figure 5).
8. Install the new Friction Facing (Item 3) to the Friction
Disc (Item 4) using the six new Flat Head Machine
Screws (Item 13). Tighten the six Flat Head Machine
Screws (Item 13) to 20 In. Lbs. [2.2 N•m] torque (See
Figure 5).
9. Carefully align the O.D. of the Ball Bearing (Item 9) with
the bore of the Housing (Item 7); then, press the Shaft
(Item 1), Ball Bearing (Item 9), and Rotor (Item 2) back
into the Housing (Item 7) (See Figure 5).
10. Install the new Friction Facing (Item 3) to the Rotor (Item
2) using the six new Flat Head Machine Screws (Item
13); then, alternately and evenly tighten the six Flat Head
Machine Screws (Item 13) to 20 In. Lbs. [2.2 N•m] torque
(See Figure 6).
10
8
13
3
11
FIGURE 4
30
6
29
7
FIGURE 5
7
13
3
1
9
2
FIGURE 6
7
9
3
13
10 6
8
11
29
30