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 TM 9-2815-226-34-2
(c) With piston at TDC, remove previously installed capscrews and reinstall them at the 12 and 6 o'clock
positions of crankshaft.
(d) Loosen piston dial indicator setscrew (1) and push rod dial indicator setscrew (4) and move both
indicators (15 and 6) downward to their fully compressed positions.
(e) Raise both dial indicators (15 and 6) approximately 0.020 in. (0.508 mm).
(f) Lock indicators in place with setscrews (1 and 4).
NOTE
Both dial indicators will move in the same, direction when piston is on the
compression stroke.
(g) Slowly rotate crankshaft several degrees clockwise and counter clockwise to make certain piston is at
TDC.
(h) Zero piston dial indicator (15).
(i) Rotate crankshaft 90 degrees after TDC. Piston follower rod (10) will be near bottom of its travel.
(j) Zero push rod dial indicator (6).
3-422
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