Nexen DFC-1650 964149 User Manual
Page 10

10
FORM NO. L-20312-C-0110
NOTE
The clutch does not have to be removed from the
motor shaft to replace the Friction Facings and O-Ring
Seals.
Refer to Figures 9 & 10.
1. Remove the Hex. Head Torque Nuts (Item 19).
2. Remove the twelve Socket Head Cap Screws (Item
14) and Lock Washers (Item 20).
3. Remove the Cylinder (Item 5).
NOTE
Applying low air pressure aids in the separation of
the Cylinder (Item 5) from the Piston/Pressure Plate
(Item 6).
4. Slide the Piston/Pressure Plate (Item 6) out of the Pilot
Housing (Item 2).
5. Slide the Drive Disc (Item 4) off the Hub (Item 1).
NOTE
If the Ball Bearings (Item 12) and Rotary Seals (Items
7 and 27) are being replaced, proceed with BALL
BEARING and ROTARY SEAL REPLACEMENT.
NOTE
The Flat Head Screws (Item 13) are assembled with
an anaerobic thread locking compound. Inserting a
properly fitting screwdriver into the head of the Flat
Head 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 Screws. Never use an impact wrench to remove
the Flat Head Screws.
6. Remove the old Flat Head Screws (Item 13) and the
old Friction Facings (Item 3) from the Pilot Housing
(Item 2).
7. Using new Flat Head Screws (Item 13), install the new
Friction Facings (Item 3).
8. Tighten the new Flat Head Screws (Item 13) to
16 Ft. Lbs. [21.59 Nm] torque.
9. Slide the Drive Disc (Item 4) back onto the Hub (Item
1).
10. Remove the old Flat Head Screws (Item 13) and the
old Friction Facings (Item 3) from the Piston/Pressure
Plate (Item 6).
FIGURE 10
FIGURE 9
19
14
20
5
15
17
6
18
10
11
4
3
13
3
13
1
2
2.13
± 0.02
In.
Spring Working Height
PARTS REPLACEMENT: FRICTION FACING AND O-RING SEAL REPLACEMENT