North American Clutch & Driveline
Rockford, Illinois
Phone: (800) 383-9204
(815) 282-7960
Fax (815) 282-9160
www.naclutch.com
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For side-load applications:
Back off the bearing retainer (38) to create a clearance between the bearing retainer and bearing
cup. The notch closest to the threaded hole (aligned with or clockwise from the hole) is the first
notch.
SP114AM Series with Bearing Retainer A3050AM:
Back off 3 1/2 - 4 1/2 notches
SP214AM, SP314AM Series with Bearing Retainer A3308AM or A3308BAM:
Back off 2 3/4 - 3 3/4 notches
For in-line applications:
Back off the bearing retainer (38) to create a clearance between the bearing retainer and bearing cup.
SP114AM Series with Bearing Retainer A3050AM:
Back off 4 1/2 - 5 1/2 notches
SP214AM, SP314AM Series with Bearing Retainer A3308AM or A3308BAM:
Back off 3 3/4 - 4 3/4 notches
Note: Bump the output end of the shaft with a soft mallet hard enough to move and seat the
front bearing cup up against the bearing retainer and create the specified bearing clearance
after each adjustment of the bearing retainer.
(Final Setting) Measure And Set Bearing End Play
10. Securely support the unit with the clutch shaft in a vertical position and the output end up.
Be sure the shaft is clear to rotate.
11. Attach an eyebolt in the thread at the output end of the shaft. Attach a hoist with a thrust
bearing-equipped swivel hook to the eyebolt.
12. Securely attach a dial indicator to the housing and locate the stem so the tip is contacting
the end of the shaft and movement of the tip is exactly vertical, the same direction as the
movement of the shaft.