TM 9-2815-226-34-2
(6) Lift crankshaft in position using hooks protected with rubber hose or a rope sling at two crank throws.
(7) Carefully lower crankshaft in position and remove lifting device.
(8) Check rear counterweight of crankshaft to see if oversize thrust rings are to be used and where installed;
front or rear. Counterweight is stamped to provide that information.
(9) Coat upper thrust rings with engine oil.
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