TM-9-2815-202-34 Technical Manual for 8V71T Engines for M109 Howitzer Download
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TM9-2815-202-34 Section Il. ENGINE REPAIR SPECIFICATIONS (Cont) POINT OF MEASUREMENT MINIMUM MAXIMUM LIMIT (inches) (inches) (inches) CYLINDER HEAD ASSEMBLY (Cont) Rocker Arms and Shafts Diameter of rock arm shaft Shaft-to-bushing clearance Inside diameter of rocker arm shaft bushing Valve and Push Rod Springs Free length of push rod spring Compressed length of push-rod spring (184 lb force) BLOWER ASSEMBLY Blower Timing Gears Blower timing gear backlash Rotors Rotor-to-gear side of housing clearance Rotor-to-float side of housing clearance Clearance between rotors Trailing edge of of right hand rotor to leading edge of left hand rotor Leading edge of right hand rotor to trailing edge of left hand rotor BLOWER BY-PASS ASSEMBLY By-pass valve spring load (at 2.65 inches) 0.8735 0.8740 ● 0.0010 0.0025 0.0040 0.8750 0.8760 ● 2.625 ● 2.125 172 lb 0.0005 0.010 0.012 0.013 0.020 0.0025 0.0040 100 lb ll0 lb G-6 Change 1