ARMY TM 9-6115-464-34 AIR FORCE TO 35C2-3-445-2 NAVY  NAVFAC  P-8-624-34 Table 1-1. FITS AND TOLERANCES (CONTINUED) Mfg’s. Tolerances Desired  Clearance Component Maximum Maximum Allowable Allowable Minimum Maximum Minimum Maximum Wear CIearance OIL PUMP BODY: Shaft  bore  diameter  –  main 0.6255 0.6265 0.0030 Shaft  bore  diameter  -  idler 0.6255 0.6265 0.0030 Pump gear bore diameter 1.5005 1.5015 0.0050 Pump gear bore depth 1.5640 1.5650 0.0040 Mounting  flange & top of drive flange 4.83375 4.85373 0.010 SHAFTS: Length – main 9.2400 Length – idler 9.2500 2.7450 2.7550 Diameter - main 0.6240 0.6245 0.0020 Diameter  –  idler 0.6240 0.6245 Shaft clearance in body 0.0020 0.0010 0.0025 0.0030 0.0060 GEARS: Outside  diameter  –  both 1.4975 1.4985 Length – both 1.5610 0.0020 1.5620 Clearance  in  body  bore 0.0020 0.0040 0.0070 End clearance to body 0.0020 0.0040 Backlash,  drive  gear  to cam- 0.0080 0.0060 0.0120 0.0200 FLYWHEEL: Clutch face run out at 6 in. rad. 0.0080 Pilot  bore  eccentricity 0.0050 FLYWHEEL  HOUSING: Clutch  attaching  face  deviation 0.0080 Clutch housing ore eccentricity 0.0050 ROCKER ARM MECHANISM: Rocker shaft  length – 4 cyl. 19.4900 19.5100 Rocker  shaft  diameter 0.8590 0.8600 0.0030 Rocker  arm  bore  diameter 0.8625 0.8635 0.0030 Rocker arm clearance on shaft 0.0025 0.0045 0.0120 Tappet  adjusting  screw  torque 3 10 STARTER: Commutator diameter 1.6470 FUEL PUMP: Throttle shaft and  linkage hook 0.210 0.225 0.217 Impeller  to cover plate 0.010 CYLINDER HEAD: Warpage  longitudinally) 0.005 Warpage  laterally) 0.003 GENERATOR ASSEMBLIES: Bearing  housing,  ID 3.19492 3.19502 Bearing adapter, OD 1.3780 1.3784 FUEL  BURNING WINTERIZATION  KIT: Heater  assembly,  metering orifice pin hole diameter 0.012 0.012 Adapter  face  (parallel) Adapter bore diameter 0.001 0.315 0.318 1-16