North American Clutch & Driveline
Rockford, Illinois
Phone: (800) 383-9204
(815) 282-7960
Fax (815) 282-9160
www.naclutch.com
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12.4.5 Install (2) bolts and lockwashers (18
and 19) in the clutch release yoke. Tighten and
torque to 17-20 ft. lbs. (23-27 Nm.)
12.5 Complete the assembly of the housing
unit
12.5.1 Install all pipe plugs and fittings to
complete assembly of the bearing housing and
bell housing.
12.5.2 Install grease fittings in the shaft and
housings.
13.0 ADJUST THE MAIN BEARING
END PLAY
13.1 (Configuration C D and E only): This is
a ball bearing design. No adjustment required.
13.2 Configurations A, B, F, and G:
13.2.1 Support the PTO with a sling and a
chain hoist as illustrated.
13.2.2 Insert 4 pieces of shim stock between
the shaft and the bearing retainer to fill the gap
and minimize sideways movement of the shaft.
13.2.3 Attach a dial indicator to a solid bar clamped across the housing as shown. Position
the point on the nose of the shaft, with the direction of indicator tip travel parallel to the
shaft. Set the dial indicator to “0”.
13.2.4 Lower the PTO so the shaft rests on a wood block. Allow a small amount of slack in
the lifting strap. Tap lightly on the bell housing to move it downward. Read the dial indicator.
The amount of bearing end play will be indicated.
CONFIGURATION A
Bearing
Housing (30)
Bolts (43)
Lockwasher
(44)
Bell
Housing
(1)
Clamp bar
housing
flange here
Clamp bar
housing flange
here
