Farmall 90 Manual page 10

10
ROCKER ARM - - VALVE DATA (continued)
Valve clearance for normal running (engine cold):
-- inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cam lift:
-- inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
CYLINDER HEAD DATA
Cylinder Head . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum face re--grinding depth that can be removed from the cyl-
inder head in the event of reboring . . . . . . . . . . . . . . . . . . . . . . . . . . .
Diameter of valve stem seat in cylinder head . . . . . . . . . . . . . . . . .
Valve stem diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Assembly clearance between valve stem and seat . . . . . . . . . . . .
Valve seat angle in head:
inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
Valve face angle:
inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
--
Diameter on head for fitting valve seat:
-- inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve seat insert outside diameter:
-- inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve stand--in relative to cylinder head face:
-- inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Interference between valve seat and head:
-- inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Valve head diameter: Valve head diameter:
-- inlet valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
-- exhaust valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 10 - - ENGINE - - CHAPTER 1
mm (in)
0.300 to 0.050 (0.0118 to 0.0019)
0.550 to 0.050 (0.0216 to 0.0019)
6.045 (0.2379)
7.239 (0.2849)
mm (in)
in cast iron with fitted valve seats and
seats for injectors and thermostat valve
0.130 (0.0051)
8.019 to 8.039 (0.3157 to 0.3164)
7.960 to 7.980 (0.3133 to 0.3141)
0.039 to 0.079 (0.0015 to 0.0031)
60°
45°
60°
45°
46.987 to 47.013 (1.8498 to 1.8509)
43.637 to 43.663 (1.7178 to 1.7190)
47.063 to 47.089 (1.8528 to 1.8538)
43.713 to 43.739 (1.7209 to 1.7220)
0.336 to 1.072 (0.0132 to 0.0422)
0.104 to 0.840 (0.0434 to 0.0330)
0.050 to 0.102 (0.0019 to 0.0040)
0.050 to 0.102 (0.0019 to 0.0040)
44.870 to 45.130 (1.7665 to 1.7767)
41.870 to 42.130 (1.6484 to 1.6586)