Remove O-rings (if installed) and shims from camshaft support.
Insert support into cover bore. Support will not fully enter bore.
With feeler gages, measure distance between support and gear cover.
Add 0.008 - 0.013 in. (0.203 - 0.33 0 mm) to that distance. This establishes correct end clearance
between camshaft and support.
Using micrometer, select appropriate size and number of shims to establish correct end
Install shims on camshaft support.
Lubricate and install new O-rings on support.
Secure support to gear case cover with capscrews, flat washers, and lockwashers.
Install accessory drive pulley (TM 9-2320-281-34).