ARMY TM 9-6115-604-12 NAVY NAVFAC P-8-633-12 1 CAPSCREW 28 FLAT WASHER 2. LOCKWASHER 29 BEARING ASSEMBLY 3. FAN SUPPORT 30. OIL SEAL 4. FAN HUB AND PULLEY ASSEMBLY 31. HEXAGONAL JAM NUT 5. FAN HUB ASSEMBLY 32. WASHER 6. FAN SPACER 33 FAN IDLER SHAFT ARM 7. CAPSCREW 34 FAN IDLER ARM 8 FAN PILOT 35 FAN IDLER PULLEY 9 PREFORMED PACKING 36. PIVOT ARM ASSEMBLY 10 FAN HUB 37 CAPSCREW 11 LOCKING NUT 38 LOCKWASHER 12. BEARING AND RACE 39 PIVOT ARM CAP 13. SPACER BEARING 40. CAPSCREW 14. SPACER BEARING 41. WASHER 15 SNAP RING 42 PIVOT ARM SHAFT 16 OIL SEAL 43 THRUST WASHER 17. FAN HUB SHAFT 44 SHAFT BUSHING 18. FAN HUB PULLEY 45. ROLL PIN 19. HEXAGON HEAD CAPSCREW 46. PIVOT ARM 20 LOCKWASHER 47 PREFORMED PACKING 21 RING DOWEL 48 TORSION SPRING 22. FAN IDLER ARM AND PULLEY ASSEMBLY 49 PIVOT ARM SUPPORT 23. FAN IDLER AND ARM ASSEMBLY 50 GREASE FITTING 24. HEXAGON HEAD CAPSCREW 51 V RIBBED BELT 25 GASKET 52 HEXAGON HEAD CAPSCREW 26 COVER 53. LOCKWASHER 27 TORQUE LOCK NUT 54 ENGINE COOLING FAN Figure 4-45.  Fan Hub and Related Parts (Sheet 2 of 2) (5) Remove engine cooling fan (54, Figure 4-45), and fan spacer (6) from fan hub pulley (18) by removing hexagon head capscrews (52), and lockwashers (53). (6) Remove capscrews (7), preformed packing (9), and fan pilot (8) (7) Remove locking nut (11) and outer bearing (12) Remove fan hub pulley (18) (8) Remove oil seal (16) and inner bearing (12).  Remove Inner and outer bearing races (12). (9) Remove snap ring (15) and remove bearing spacers (13 and 14). c.  Install (1) See Figure 4-45 Thoroughly pack bearing with grease before installing. (2) Install snap ring (15) and install bearing spacers (13 and 14) into fan hub pulley (18). (3) Install inner and outer bearing races (12). (4) Install Inner bearing (12) and oil seal (16), and install fan hub pulley (18) onto fan hub shaft (17).  Install outer bearing (12) and secure fan hub pulley (18) into fan hub shaft (17) with locking nut (11). (5) Install fan pilot (8) and preformed packing (9) and secure with capscrews (7). (6) Install V ribbed belt (51).  See paragraph 3-12 (7) Install fan spacer (6) and engine fan (54) Secure with hexagon head capscrews (52), and lockwashers (53). (8) Install radiator assembly, in accordance with paragraph 4-57. (9) Install top and bottom grill (6, Figure 3-17) and center grill (7) and secure with hexagon head capscrews (3), lockwashers (5), and hexagonal nuts (4). (10) Install right and left fan shrouds (1 and 2) and secure with hexagon head capscrews (3), lockwashers (5), and hexagonal nuts (4). 4-125