10
FORM NO. L-20016-U-0305
LWCB AND MWCB
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.
1.
Remove the Retaining Ring (Item 41) from the Sheave
(Item 12) or Pilot Drive Disc (Item 33) (See Figure 21 or
22).
2.
Press the old Ball Bearing (Item 15) out of the Sheave (Item
12) or Ball Bearing (Item 34) out of the Pilot Drive Disc (Item
33) (See Figure 21 or 22).
NOTE
Do not reuse the old ball bearings. Applying force on the
inner race of a ball bearing to remove a ball bearing held
by the outer race causes damage to the bearing.
3.
Clean the bearing bore of the Sheave (Item 12) or Pilot Drive
Disc (Item 33) with fresh safety solvent, making sure all old
Loctite
®
residue is removed (See Figure 22).
4.
Apply an adequate amount of Loctite
®
680 to evenly coat the
outer race of the new Ball Bearing (Item 15 or 34) (See Figure
21 or 22).
5.
Support the Sheave (Item 12) or the Pilot Drive Disc (Item
33) and pressing on the outer race of the new Ball Bearing
(Item 15 or 34), press the new Ball Bearing (Item 15 or 34)
into the Sheave or Pilot Drive Disc (See Figure 21 or 22).
6.
Reinstall the Retaining Ring (Item 41) (See Figure 21 or 22).
NOTE
The Flat Head Machine Screws 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 this locking
compound and allow removal of the Flat Head Machine
Screws. Never use an impact wrench to remove the Flat
Head Machine Screws.
On the LWCB, the Flat Head Machine Screws securing the
Friction Facing (Item 10) are Item 24. On the MWCB, the
Flat Head Machine Screws securing the Friction Facing
(Item 10) are Item 25.
7.
Remove the old Flat Head Machine Screws (Item 24 or
25) securing the Friction Facing (Item 10) to the Sheave
(Item 12) or Pilot Drive Disc (Item 33) (See Figure 21 or
22).
8.
Remove the old Friction Facing (Item 10) (See Figure 21
or 22).
9.
Install the new Friction Facing (Item 10) and tighten the new
Flat Head Machine Screws (Item 24 or 25) to 26 In. Lbs. [2.9
N•m] torque (See Figure 21 or 22).
10. Fully support the Air Chamber (Item 8) and press the Clutch
Friction Disc (Item 9) out of the Air Chamber (See Figure 23).
FIGURE 21
SHEAVE MOUNT
FIGURE 22
PILOT MOUNT
FIGURE 23
41
15
12
10
24/25
41
34
33
10
24/25
9
14
8
®
DIST. AUTORIZADO
MEX (55) 53 63 23 31
QRO (442) 1 95 72 60
MTY (81) 83 54 10 18
[email protected]
