TM 5-4210-233-14&P-2
6-29. MAIN BEARINGS AND CRANKSHAFT - Contlnued
(19) Turn screw (13) to turn crankshaft (2), while reading runout of main bearing journals (17, 18, and 19)
with dial indicator.
NOTE
If crankshaft has too much runout, do steps (21) to (27) to
remove crankshaft, do steps (28) to (39) to see if bad bearing
shell caused crankshaft runout. If runout is within limits only do
steps (21) to (27).
(20)
Maximum allowable runout for journals (17 to 19) is 0.002 in. (0.05 mm). Maximum allowable
runout for journal (18) is 0.004 in. (0.10 mm).
(21)
Remove four screws (7) and two bearing caps (10 and 11).
6-145
