ARMY TM 9-2815-260-24 AIR FORCE TO 38G1-126-2 MARINE CORPS TM 09244A/09245A-24 4-93 d.    Installation. (1) Position crankshaft pulley (1, Figure 4-60) on crankshaft. (2) Install torsional damper, refer to paragraph 4.9.1. 4.9.3.   TIMING GEAR COVER. NOTE The following procedures require complete access to the engine.  If necessary, remove engine from generator set, refer to TM 9-6115-672-14.   Mount engine on repair stand (NSN 4910-01-016-1835 or equal) as outlined in paragraph 4.10. a.     Removal. (1) Drain lubrication system, refer to TM 9-6115-672-14. (2) Remove fan drive belt and fan, refer to TM 9-6115-672-14. (3) Remove alternator and alternator mounting bracket, refer to paragraph 3.9.1. (4) Remove water pump if needed, refer to paragraph 3.8.3. (5) Remove fan pulley and fan drive assembly as follows; (a) Remove bolts (1, Figure 4-61) and fan pulley (2). FIGURE 4-61.  FAN DRIVE ASSEMBLY