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TM 5-4210-220-34
3-8.
ENGINE - Continued
3-8.8
Camshafts - Continued
(5)
Remove the end plugs from each end of the camshaft as detailed in the following text.
(a)
Clamp the camshaft (7) in a vise equipped with soft jaws, being careful not to damage the cam lobes or
machined surfaces of the shaft.
(b)
Make an indentation in the center of the camshaft end plug with a 31/64 in. drill.
(c)
Punch a hole as deeply as possible with a center punch, to aid in breaking through the hardened surface
of the plug.
(d)
Then drill a hole straight through the center of the plug with a 1.4 in. drill.
(e)
Use 1/4 in. drilled hole as a guide and re-drill the plug with a 5/16 in. drill.
(f)
Tap the drilled hole with a 3/8 in. 16 tap.
(g)
Thread a 3/8 in. - 16 adapter J6471-2 into the plug. Then, attach slide hammer J2619-5 to the adapter
and remove the plug by striking the weight against the handle.
(h)
Insert a length of 3/8 in, steel rod in the camshaft oil gallery and drive the remaining plug out. If a steel
rod is not available, remove the remaining plug as outlined in steps a, thru g. preceding.
(6)
Disassemble the right-hand camshaft assembly (6) similarly to steps 1 thru 5 preceding.
3-156
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