TM 5-3895-373-34
D.
REPAIR - Continued.
VALVE STEM GUIDES
Inside diameter
Intake............................................................................................................0.375 to 0.376 in.(9,53 to 9,55 mm)
Exhaust.........................................................................................................0.375 to 0.376 in.(9,53 to 9,55 mm)
Outside diameter ................................................................................................. 0.6260 to 0.6265 in.(15,90 to 15,91)
Bore in cylinder head assembly for guide.......................................................0.625 to 0.6255 in.(15,87 to 15,88 mm)
Interference fit of guide in cylinder head assembly bore..............................0.0002 to 0.0018 in.(0,007 to 0,046 mm)
Overall length of guide
Intake....................................................................................................................................2.281 in.(57,94 mm)
Exhaust...............................................................................................................................2.4375 in.(61,92 mm)
Depth of counterbore (exhaust guide)........................................................................................0.4062 in.(10,32 mm)
Guide protrusion above cylinder head assembly top face............................................................0.594 in.(15,09 mm)
EXHAUST VALVES
Valve head diameter ........................................................................................1.435 to 1.445 in.(36,45 to 36,70 mm)
Valve stem diameter...........................................................................................0.372 to 0.3728 in.(9,45 to 9,47 mm)
Valve face angle......................................................................................................................................................45°
Overall length of valve..................................................................................4.847 to 4.863 in.(123,11 to 123,52 mm)
Clearance fit of valve in valve stem guide........................................................0.00225 to 0.004 in.(0,06 to 0,10 mm)
Clearance fit of valve in cylinder head assembly.................................................0.00145 to 0.00325 in.(0,04 to 0,08)
Valve head depth below cylinder head assembly face.........................................0.047 to 0.073 in.(1,19 to 1,85 mm)
Service valve stem oversizes ...................................................0.003, 0.015, and 0.030 in.(0,08, 0,38, and 0,76 mm)
INTAKE VALVES
Valve head diameter ........................................................................................1.736 to 1.746 in.(44,09 to 44,36 mm)
Valve stem diameter.........................................................................................0.3725 to 0.3735 in.(9,46 to 9,48 mm)
Valve face angle......................................................................................................................................................30°
Overall length of valve..................................................................................4.831 to 4.847 in.(122,71 to 123,11 mm)
Clearance fit of valve in valve stem guide........................................................0.0015 to 0.0035 in.(0,04 to 0,09 mm)
Clearance fit of valve in cylinder head assembly..........................................0.00075 to 0.00275 in.(0,02 to 0,07 mm)
Valve head depth below cylinder head assembly face.........................................0.035 to 0.061 in.(0,89 to 1,54 mm)
Service valve stem oversizes ...................................................0.003, 0.015, and 0.030 in.(0,08, 0,38, and 0,76 mm)
INNER VALVE SPRINGS
Fitted length..................................................................................................................................1.5625 in.(39,7 mm)
Load at fitted length......................................................................................................... 15.4 lb 1 lb (7 kg 0,45 kg)
Fitted position ............................................................................................... Damper coils to cylinder head assembly
OUTER VALVE SPRINGS
Fitted length..................................................................................................................................1.780 in.(45,22 mm)
Load at fitted length....................................................................................................... 40 lb 2 lb (18,1 kg 0.91 kg)
Fitted position ............................................................................................... Damper coils to cylinder head assembly
GO TO NEXT PAGE
2-205
