TM 5-6115-584-34 Table (Cont) . , Manufacturer   Dimensions and Tolerances Maximum  Allowable Component Minimum Maximum Wear Limit VALVE  LIFTER: BODY diameter 0.8725 0.8730 0.003 Overall  length 1.510 1.550 1.500 Clearance  in  bore  (block) 0.0025 0.0040 0.008 VALVE SPRINGS - & EXHAUST: Free length 1-7/8 Total 5.75 Diameter  wire 0.142 Outside diameter 0.901 0.920 Load closed 45 lb 49 lb 40 lb Load open 87.2 lb 97.2 lb 80 lb OIL PUMP BODY: bore diameter - main 0.338 0.343 0.002 Shaft bore diameter - idler 0.308 0.309 0.002 Pump gear bore diameter 0.884 0_0. 886 0.003 Pump gear bore depth 0.748 0.750 0.002 OIL PUMP SHAFTS: Length - main 1.176 1.206 N/A Length - idler 1-1/16 N/A Diameter - main 0.3124 0.3126 0.002 Diameter  -  idler 0.3095 0.3110 0.002 Shaft clearance in body 0.0009 0.0016 0.003 OIL PUMP GEARS: Outside diameter - both 0.878 0.880 0.005 - both 0.749 0.750 Clearance  in  body  bore 0.004 008 End  clearance  to  body Shimmed Backlash, drive gear to camshaft 0.005 0.010 adjustable 1-7