TM 9-2320-365-34-2(10) Refer to Table 3-2 Valve Clearances and insert a feelergauge of correct dimension between intake rocker arms(4) or exhaust rocker arms (5) and their respectivevalves (6 or 7).Table 3-2. Valve ClearancesVALVESGAUGE DIMENSIONSIntake0.015 in. (0.38 mm)Exhaust0.025 in. (0.64 mm)(11) Turn adjustment screw (15) clockwise until either valve(6 or 7) is set to specifications in Table 3-3 ValveClearance Ranges.Table 3-3. Valve Clearance RangesVALVESACCEPTABLE CLEARANCE RANGEIntake0.012 - 0.018 in. (0.30 - 0.46 mm)Exhaust0.022 - 0.028 in. (0.56 - 0.72 mm)(12) After each adjustment, tighten jam nut (14) to 156-276lb-in. (17-31 N·m).(13) Perform steps (5) through (12) on remaining valves onthat stroke.NOTE•Perform step (14) after checking andadjusting clearance on all valves for aspecified piston position.•Use bolt on front of alternator to rotateflywheel for timing bolt installation(14) Rotate flywheel right 360 degrees.(15) Remove timing bolt (3) from timing bolt hole on front offlywheel housing (2).(16) Rotate crankshaft 360 degrees.(17) Install timing bolt (3) in timing bolt hole on front offlywheel housing (2).NOTEThis will put number 1 piston at top center(TC) position on the other stroke.(18) Perform steps (3) through (5) on remaining valves.3-103
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