TM 10-3930-641-34-1
VALVES SPECIFICATIONS
(Sheet 2 of 2)
(5)
Angle of exhaust valve face ................................... 44-1/40 + 1/40
(6)
Depth of bore in head for valve
seat insert ................................. 512 .015 in. (13.00 0.38 mm)
(7)
Diameter of valve seat insert for exhaust
valve .............................. 1.6870 + .0005 in. (42.850 + 0.013 mm)
Bore in head for valve seat insert for
exhaust valve.......................... 1.684 .001 in. (42.77 0.03 mm)
(7)
Diameter of valve seat insert for
intake valve.................... 1.8120 + .0005 in. (46.025 0.013 mm)
Bore in head for valve seat insert for
intake valve............................ 1.809 .001 in. (45.95 0.03 mm)
(8)
Angle of face of intake valve seat insert ....................... 300 1/40
(8)
Angle of face of exhaust valve seat insert .................... 450 1/40
(9)
Dimension from top of closed valve to face of head:
Maximum permissible dimension for
intake and exhaust ........................................... 042 in. (1.07 mm)
Minimum permissible dimension for
intake and exhaust ........................................... 002 in. (0.05 mm)
(10)
Outside diameter of the face of the valve seat insert:
Exhaust seat.......................... 1.591 + .005 in. (40.41 0.13 mm)
Intake seat ............................. 1.734 .005 in. (44.04 + 0.13 mm)
(11)
Use again" thickness of valve lip:
Exhaust valve ................................................... 080 in. (2.03 mm)
Intake valve ...................................................... 099 in. (2.51 mm)
TA098807
End
2-77