TM 5-3895-383-24
Exhaust valve ........................................42.931 ± 0.013 mm
(1.6902 ± .0005 in)
Valve
seat
inset
must
be
shrunk
by
reduced
temperature before installing in head.
(10)
Angle of valve seat inserts:
Intake valve....................................................30 ± 1 degrees
Exhaust valve ................................................45 1 degrees
(11)
Depth of bore in head for valve seat
insert............................... 10.00 ± 0.13 mm (.394 ± .005 in)
(12)
Outside diameter of the seating face of the valve seat
insert:
Intake valve........................47 0.13 mm (1.850 ± .005 in)
Exhaust valve ....................40 0.13 mm (1.574 .005 in)
(13)
"Use again" thickness of valve lip:
Intake valve...............................................1.80 mm (.071 in)
Exhaust valve ...........................................1.50 mm (.059 in)
(14)
Distance from head of valve to the cylinder head face
(valve closed):
Exhaust valve
Maximum permissible.............................2.22 mm (.087 in)
Minimum permissible..............................1.51 mm (.059 in)
Intake valve
Maximum permissible.............................2.05 mm (.081 in)
Minimum perm issible..............................1.13 mm (.044 in)
Valve Rocker Arms And Lifters
Type I (3114 & 3116 Engines)
Type I (3114 & 3116 Engines)
NOTE:
Type I and II are based on rocker arm designation
and apply to 3114 and 3116 engines only.
(1)
Rocker arm:
Type I (3114 & 3116).....................................................Anvil
(2)
Bore in rocker arm for shaft
(new) ......................................................24.808 0.020 mm
(.9767 ± .0008 in)
Diameter of shaft (new).......................24.755 ± 0.010 mm
(.9746 ± .0004 in)
(3)
Torque for locknut ........................25 ± 7 N m (18 ± 5 lb-ft)
(4)
Lash for valves:
Intake valves ............................................0.38 mm (.015 in)
Exhaust valves.........................................0.64 mm (.025 in)
NOTE:
The following stand and push rod height are used
for valve rocker arm and lifter identification only.
(5)
Rocker arm stand height:
Type I (Anvil Rocker Arm)....................70.6 mm (2.779 in)
(6)
Valve push rod length:
Type I (Anvil Rocker Arm)......................... 231 mm (9.1 in)
NOTE:
Valve 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 valve 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
(.6160 .0005 in)
Torque for bolts holding lifter shaft to the side
cover.......................................... 13 ± 3 N m (9.6 ± 2.2 lb-ft)
5-11
