TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download

TM9-2815-202-34 Section Il. ENGINE REPAIR SPECIFICATIONS (Cont) (1) (2) (3) (4) NEW NEW WEAR POINT OF MEASUREMENT MINIMUM MAXIMUM LIMIT (inches) (inches) (inches) CAMSHAFT WITH BEARINGS (Cont) Camshaft Bearings Outside diameter of end bearings Bearing-to-block bore clearance (end bearings) Inside diameter of end bearings Bearing-to-camshaft clearance (end bearings) Outside diameter of intermediate bearings Bearings-to-block bore clearance (intermediate bearings) Inside diameter of intermediate bearings Bearing-to-camshaft clearance (intermediate bearings) Thickness of thrust washer bearing Camshaft end thrust washer bearing end thrust GEAR TRAIN Crankshaft gear Inside diameter of crankshaft timing gear surface Inside diameter of timing gear Timing gear-to-crankshaft clearance Idler gear Bearing preload Variation in pull Blower Drive Gear Inside diameter gear bushing Support-to-gear bushing clearance Diameter of gear support Thrust washer thickness Gear and thrust Thickness of thrust bearing Camshaft Gear Inside diameter of gear Gear-to-camshaft clearance Gear Train Backlash Backlash between various mating gears 2.1875 0.0005 1.5000 0.0035 2.1840 0.0015 1.5010 0.0025 0.1190 0.0003 5.2490 5.2490 0.001 (pressure) 0.5 lb 1.6260 0.0010 1.6240 0.2350 0.0050 0.0590 1.1865 0.0015 (pressure) 0.002 2.1880 0.0014 1.5010 0.0050 2.1860 0.0045 1.5030 0.0050 0.1220 0.0150 5.2510 5.2510 0.001 (loose) 4.0 lb 2.7 lb 1.6265 0.0025 1.6250 0.2450 0.0100 0.0610 1.1875 0.0000 0.008 0.0060 0.0090 0.0180 0.0050 0.0120 0.0100 G-4