TM 5-3895-383-24
(6)
Injector push rod length............................. 225 mm (8.9 in)
NOTE:
Injector push rod length (6) corresponds to an
overall length measurement (top of cup to bottom
of ball) as taken by a serviceman with a scale.
The injector push rod length (6) is intended to
provide a means of identification.
(7)
Bore in lifter arm for shaft
(new) ......................................................15.670 ± 0.012 mm
(.6169 ± .0005 in)
Diameter of shaft (new).......................15.620 ± 0.012 mm
(.6150 ± .0005 in)
Valves
Type I Cylinder Head (standard vale springs and retainers)
NOTE:
Intake and exhaust valve stems are to be coated
with
8T2998
Break-in
Lubricant
prior
to
installation in the cylinder head.
NOTE:
For removing and installation of valve guides and
valve seat inserts, use 1U6685 Tool Group.
(1)
Exhaust valve.
(2)
Intake valve.
(3)
7C4273 Spring for intake and exhaust valves.
Free length ...............................................71.0 mm (2.80 in)
Assembled length................................65.86 mm (2.593 in)
Load at assembled length...............217 ± 22 N (49 ± 5 lb)
Minimum operating length .....................50.7 mm (2.00 in)
Load at minimum operating length ...................858 40 N
(193 9 lb)
(4)
Height to top of valve guides .......................23.0 ± 0.5 mm
(.906 ± .020 in)
(5)
Diameter of valve stems
(new) ........................8.000 ± 0.008 mm (.3150 ± .0003 in)
"Use again" minimum diameter of valve
stems.....................................................7.965 mm (.3136 in)
Bore in valve guides with guides installed in
head .........................8.045 ± 0.010 mm (.3167 ± .0004 in)
"Use again" maximum bore in valve guides with
guides installed in head......................8.080 mm (.3181 in)
(6)
Diameter of valve head:
Intake valve..................47.00 ± 0 .13 mm (1.850 ± .005 in)
Exhaust valve ..............40.00 ± 0.13 mm (1.575 ± .005 in)
(7)
Angle of valve faces:
Intake valve......................................... 29-3/4 1/4 degrees
Exhaust valve ............................................ 45 1/4 degrees
(8)
Diameter of valve seat inserts:
Intake valve............................................50.000 ± 0.013 mm
(1.9685 ± .0005 in)
Exhaust valve ........................................43.000 ± 0.013 mm
(1.6929 ± .0005 in)
Bore in head for valve seat insert:
Intake valve............................................49.931 ± 0.013 mm
(1.9658 ± .0005 in)
Exhaust valve ........................................42.931 ± 0.013 mm
(1.6902 ± .0005 in)
Valve
seat
insert
must
be
shrunk
by
reduced
temperature before installing in head.
(9)
Angle of valve seat inserts:
Intake valve....................................................30 ± 1 degrees
Exhaust valve ................................................45 ± 1 degrees
(10)
Depth of bore in head for valve seat
insert............................... 10.00 ± 0.13 mm (.394 ± .005 in)
5-9
