Nexen DFC-1650 964149 - Manual (Page 11)

FORM NO. L-20312-C-0110 11
11. Using new Flat Head Screws (Item 13), install the new
Friction Facings (Item 3).
12. Tighten the new Flat Head Screws (Item 13) to 16 Ft. Lbs.
[21.59 Nm] torque.
13. Remove the old O-Ring Seal (Item 15) from the Piston/
Pressure Plate (Item 6).
14. Coat the new O-Ring Seal (Item 15) with Parker ® O-Ring
lubricant and install the new O-Ring Seal on the Piston/
Pressure Plate (Item 6).
15. Slide the Piston/Pressure Plate (Item 6) back into the Pilot
Housing (Item 2).
16. Remove the old O-Ring Seal (Item 17) from the Cylinder
(Item 5).
17. Coat the new O-Ring Seal (Item 17) with Parker ® O-Ring
lubricant and install the new O-Ring Seal on the Cylinder
(Item 5).
18. Slide the Cylinder (Item 5) onto the Piston/Pressure Plate
(Item 6) and Pilot Housing (Item 2).
19. Apply a drop of Loctite ® 242 to the threads of the twelve
Socket Head Cap Screws (Item 14).
20. Install the twelve Socket Head Cap Screws (Item 14) and
Lock Washers (Item 20).
21. Alternately and evenly tighten the twelve Socket Head
Cap Screws to 110 Ft. Lbs. [148.43 Nm] torque.
22. Install the Hex. Head Torque Nuts (Item 19).
23. Tighten the Hex. Head Torque Nuts (Item 19) until a spring
working height of 2.13 In. [51.2 mm] is achieved.
PART REPLACEMENT: BALL BEARING AND ROTARY SEAL REPLACEMENT
NOTE
The clutch must be removed from the motor to
replace the Ball Bearings and Rotary Seals. Two
1/2''-13 tapped holes are provided in the Hub to aid
in removing the clutch from the motor shaft and lifting
the Hub out of the Pilot Housing.
Refer to Figures 11 & 12.
1. Proceed with Steps 1-6 of FRICTION FACING and
O-RING SEAL REPLACEMENT.
2. Remove the Socket Head Cap Screws securing the
Sheave to the clutch and remove the Sheave.
3. Remove the three Set Screws (Items 24 and 33) and
the Hub Locking Collar (Item 23).
4. Remove the six Socket Head Cap Screws (Item 26).
5. Remove the Seal Seat (Item 22) and the old Rotary
Seal (Item 7).
6. Remove the Retaining Ring (Item 21).
7. Press the Hub (Item 1) out of the Ball Bearings
(Item 12) and Pilot Housing (Item 2).
FIGURE 11
23
26
22
7
21
12
12
27
2
1
16
34
24 33
33
PARTS REPLACEMENT: FRICTION FACING AND O-RING SEAL REPLACEMENT (continued)
CAUTION
Working with spring loaded or tension
loaded fasteners and devices can cause
injury. Wear safety glasses and take the
appropriate safety precautions.