Nexen TL50A/4-E 803017 - Manual (Page 14)

14 FORM NO. L-21174-E-1209
8. Reinstall Retaining Ring (Item 6).
Torque Limiter
Hub
Retaining Ring
(Item 6)
Rotary Seal
(Item 15)
Cylinder/Piston
Assembly
Ball Bearing
(Item 21)
FIGURE 17
Press
Hub
(Item 7)
Drive Flange
Assembly
(Item 19)
Retaining
Ring (Item 6)
FIGURE 14
CAUTION
Do not over lubricate Drive Flange Assembly.
Over lubricating creates a hydraulic effect
within the Torque Limiter which will adversely
affect the break-away torque.
3. Lubricate the Drive Flange Assembly (Item 19) (See
LUBRICATION).
4. Install new Compression Springs (Items 17) and Spring
Stiffener Pins (Item 16) into the Drive Ring (Item 10).
5. Install the new Rotary Seal (Item 15).
NOTE: Back of the Rotary Seal must be installed facing
the Drive Flange Assembly end of Torque Limiter.
NOTE: Rotary seal style/location has changed (except
for in TL20A-E models). Refer to Table 6 and Figure 6 to
determine what style rotary seal is used on your product.
All other procedures are identical between models.
6. Lubricate the Hub spline with Never-Seez ® and the lip
of the Rotary Seal with a lubricant shown in Table 4.
7. Pressing on inner race of Ball Bearing (Item 21), press
Cylinder/Piston Assembly onto Hub of Torque Limiter
(See Figure 24).
16
17
10
FIGURE 15
FIGURE 16
Refer to Figures 14 - 17.
NOTE: To ensure proper operation after assembling the
Torque Limiter, align the chalk alignment marks.
When assembling Torque Limiter, align the Hub key way
with Balls as shown (See Figure 13).
1. Press Hub (Item 7) into Drive Flange Assembly (Item
19) while supporting the inner and outer races of the
Drive Flange Ball Bearings.
TORQUE LIMITER REASSEMBLY
2. Reinstall Retaining Rings (Items 5 & 6) .
Retaining
Ring (Item 6)
Support
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.
CAUTION
Carefully slide the Cylinder/Piston Assembly
onto Hub and into Drive Flange Assembly to
avoid damage to the Rotary Seal.
Cylinder/
Piston
Drive Flange
Old Style Seal New Style Seal
*TL20A-E uses old style rotary seal.
Drive Flange
Cylinder/
Piston