TM  10-3930-643-34 GENERAL  SUPPORT  ENGINE,  FUEL,  EXHAUST  AND  COOLING  MAINTENANCE. 13-4. Crankshaft. (Sheet 7 of 9) INSTALLATION NOTE Pin must protrude not more than 0.070  inch  (1.78  mm)  from crankshaft, as shown. 20. 21. 22. 23. 24. 25. Press a new pin (11) into crankshaft (8). Heat new gears (10 and 9) in an oil bath to 400 degrees F. Using heat resistant gloves to handle the gear, remove drive spline gear (10) from oil bath, aline notch on rear of gear (10) with pin (11) in crankshaft (8) and slide gear (10) onto crankshaft (8) until it seats against  crankshaft  (8)  shoulder. Using  heat  resistant  gloves  to  handle gear (9), remove sector gear (9) from oil bath and install onto crankshaft (8) until it contacts gear (10). Allow gears (10 and 9) to cool until they are securely fitted   to crankshaft (8). Attach hoist and sling around journals of crankshaft (8). Go to sheet 8 13-31