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VALVES
CYLINDER HEAD
TM-5-3805-258-24-1 Loader Scoop Type DED 4x4 Articulated Frame Steer 2 1/2 Cubic Yard Bucket (CCE) Airborne/Airmobile Manual
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TM 5-3805-258-24-1
3304
DIRECT
INJECTION
VEHICULAR
ENGINE
SPECIFICATIONS
WITH SCROLL
FUEL SYSTEM
CAMSHAFT
NOTE:
Put a
layer
of
5P960
Grease
or
graphite grease
on
lobes
of
camshaft
when
installing.
(1)
(2)
(3)
(5)
Width
of
groove
in
camshaft
for
thrust washer
(new)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.83
+
0.05
mm
(.190
t .002 in.)
Thickness
of
thrust washer
(new)
. . . . . . . . . . . . . . . . . . . . . . . . . . .
4.65
~
0.03
mm
(.183
*
.001
in.)
End
play
of the
camshaft
(new)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.18
f 0.08 mm
(.007
*
.003
in.)
Maximum
permissible
end
play
(worn)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.64
mm
(.025
in.)
Diameter
of
camshaft
bearing
surface
(journal)
(new)
. . . . . . . . . . . . . . . .
58.699
i
0.013
mm
(2.3110
*
.0005
in.)
Bore
in
bearing
for
camshaft
(new)
. . . . . . . . . . . . . . . .
58.801
*
0.061
mm
(2.3150
t
.0024
in.)
Clearance
between
bearing
and
bearing surface
(journal)
(new)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.05
to
0.15
mm
(.002
to
.006
in.)
Maximum
permissible
clearance
between
bearing
and
bearing
surface
(journal) (worn)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.20 mm
(.008
in.)
Height
of
camshaft lobes.
To find
lobe
lift, use the
following
procedure:
A.
Measure camshaft
lobe
height
(5).
B.
Measure
base circle
(6).
C.
Subtract
base
circle
(STEP
B)
from
lobe
height (STEP
A). The
difference
is
actual
lobe
lift (4).
D.
Specified
camshaft
lobe
lift (4)
is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.382
mm
(.3300
in.)
Maximum
permissible
difference
between
actual lobe
lift
(STEP
C) and
specified lobe
lift
(STEP
D) is . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.25 mm (.010 in.)
(1)
(2)
(3)
(4)
VALVE ROCKER ARMS AND LIFTERS
Bore in bearing for shaft
(new) . . . . . . . . . . . . . . . . . .
18.448 ? 0.013 mm (.7263 f .0005 in.)
Diameter of shaft
(new) . . . . . . . . . . . . . . . . . .
18.402 t 0.013 mm (.7245 * .0005 in.)
Maximum permissible clearance between bearing and
shaft (worn) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.20 mm (.008 in.)
Torque
for locknut on valve
adjustment screw . . . . . . . . . . . . . . . . . . . . . . 28 & 7 N.m (21 t 5 Ib.ft.)
Clearance for valves:
Intake valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.38 mm (.015 in.)
Exhaust
valves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.64 mm (.025 in.)
Diameter of valve lifter
(new) . . . . . . . . . . . . . . . .
33.287 * 0.013 mm (1.3105 * .0005 in.)
Bore in block for valve lifter
(new) . . . . . . . . . . . . . . . .
33.388 t 0.025 mm (1.3145 * .0010 in.)
Maximum permissible clearance between lifter and
bore for valve lifter (worn) . . . . . . . . . . . . . . . . . . . . . . . 0.30 mm (.012 in.)
2-8
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