6
FORM NO. L-20255-H-0822
REFER TO FIGURE 1.
1. Install coupling adapter or bearing supported sprocket,
sheave, or gear onto the clutch pilot (See Table 1).
2. Insert customer supplied key into shaft.
NOTE
Nexen Spring Engaged Multiposition Tooth
Clutches mount on a full shaft using a full
length key.
NOTE
Whenever possible, arrange the input drive
to the Tooth Clutch through the drive flange
to prevent the Tooth Clutch bearings from
rotating unnecessarily.
3. Using Set Screws, secure the Tooth Clutch to the shaft.
4. Tighten Set Screws.
In severe applications, the Tooth Clutch may tend to move
axially along the shaft. To prevent this movement, confine
the Tooth Clutch between shoulders.
INSTALLATION
FIGURE 1
Set Screw
Customer Supplied Key
Bearing supported
pulley, sprocket, or
coupling
Tooth Clutch
TIGHTENING TORQUE
(with Loctite® 242)
Size
Grade 8 Socket
Head Cap Screws
Grade 8 Hex.
Head Cap Screws
#10
5 ft-lbs
6 ft-lbs
1/4 - 20
6 ft-lbs
9 ft-lbs
5/16 - 18
20 ft-lbs
18 ft-lbs
3/8 - 16
36 ft-lbs
35 ft-lbs
1/2 - 13
108 ft-lbs
114 ft-lbs
5/8 - 11
211 ft-lbs
223 ft-lbs
3/4 - 10
367 ft-lbs
400 ft-lbs
TABLE 1
