TM 9-2815-225-34&P 3-61.  FUEL PUMP FRONT COVER AND GOVERNOR REPAIR (Contd) LOCATION/ITEM ACTION REMARKS i.  Assembly (M915/Big Cam I) 47. Oil seal (29) and support (3) Lubricate outside of seal (29) and Open end of seal must be facing press into support from large end. down. 48. Bearing (28) and snapring Lubricate rear bearing (28) and (27) press into support (3).  Insert snap- ring (27) with flat side down. 49. Drive shaft (31) and keys (32) Lubricate drive shaft (31) and place key (32) in drive shaft (31) keyway. Press drive shaft (31) into flat side of drive gear (2) until shoulder seats on gear face. 50. Support (3) and drive gear Press small end of shaft assembly (26) into large end of support (3).  Press governor drive gear (26) onto drive shaft (31) until it bottoms on bearing (28). 51. Ball key (30) and coupling Insert key (30) and press on gear (24) coupling gear (24).  Shoulder of coupling goes against drive gear (26) unless a spacer (25) is used. 52. Washer (23) and locknut Install. Tighten locknut (22). (22) 53. Reservoir (21) and studs (17) Position reservoir (21) in vise and, with governor's drive studs (17) up, install dipstick, vent plug, drain plug, and elbow. NOTE Use the following assembly instructions for governors with 2:1 gear ratio. 54. Drive shaft (12) and a.  Install drive shaft (12), with snapring (11) splined end up, and collar (13) on housing (14). b.  Lubricate ball key (30) and Align ball key (30) with collar insert in drive shaft (31) and (13). install snapring (11). 55. Gear (9) Invert assembly and press on Allow clearance of 0.003-0.006 in. gear (9). (0.08-0.15 mm). 3-422