ARMY TM 9-2815-256-24 AIR FORCE TO 38G1-96-2 MARINE CORPS TM 2815-24/5 Section XI.  CRANKSHAFT PULLEY AND TIMING GEAR COVER ASSEMBLY MAINTENANCE 3-38.  CRANKSHAFT PULLEY. 3-38.1.  Removal. a. Remove fan drive belt, refer to end item maintenance manual. b. Remove fan, refer to end item maintenance manual. c. Remove capscrew (1, FIGURE 3-126) and washer (2) securing crankshaft pulley (3). d. Using suitable puller, remove pulley (3) from crankshaft.  Remove key (4). FIGURE 3-126.  Crankshaft Pulley 3-38.2.  Inspection. a. Inspect pulley for cracks and wear. b. Inspect key for damage. 3-38.3.  Installation. a. Install key (4, FIGURE 3-126) in crankshaft. b.   Install crankshaft pulley (3) on crankshaft and secure with capscrew (1) and washer (2).  Tighten capscrew to 110 ft-lbs (150 Nm) c. Install fan, refer to end item maintenance manual. d. Install fan drive belts, refer to end item maintenance manual. 3-39.  TIMING GEAR COVER. 3-39.1.  Removal. a. Drain lubrication system, refer to end item maintenance manual. b. Remove fan drive belts and fan, refer to end item maintenance manual. 3-164