Warner Electric Advanced Technology Tension Clutches - Manual (Page 3)

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Warner Electric • 800-234-3369 819-0339
the above instructions. (See Figure 2)
3. Install the furnished sheave or pulley retaining
ring with retaining ring pliers.
(See Figure 3)
When installing this or other
retaining rings, be sure to hold the ring with
one hand so it will not spring away, endanger-
ing personnel and property, should the pliers
lose their grip on the ring. Safety glasses
should always be worn when installing or
removing retaining rings.
4. If used, install the Warner Electric conduit box in
accordance with its furnished instructions.
5. Place the ATT clutch onto its shaft, making sure
it is properly positioned over the shaft key. (See
Figure 4)
Note: The Warner Electric special furnished key
must be used with ATTC-25-7/8” bore units.
Figure 3
6. Tighten the hub setscrews into the shaft (See
Figure 5) to the appropriate torque for your size
unit:
Size Torque
25 80 in.lbs.
55 160 in.lbs.
115 275 in.lbs.
Assure proper alignment of driving and driven
sheave, pulley or sprocket before tightening the
setscrews.
Figure 4
Figure 5
Figure 6