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TIMING GEARS - TM-5-3805-258-24-1_108
CAMSHAFT - TM-5-3805-258-24-1_110
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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3304
DIRECT
INJECTION
VEHICULAR ENGINE
WITH SCROLL
FUEL
SYSTEM
TM 5-3805-258-24-1
SPECIFICATIONS
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
VALVES
7S71
44
Spring
for
valves
(new):
Length under
test
force
. . . . . . . . . . . . . . . . . . . . . . . .
44.86
mm
(1.766
in.)
Test force
. . . . . . . . . . . . . . . . . . . . . . . . . . .
256.7
t 20 N
(57.7
~ 4.5 lb.)
Use
again
minimum
load
at
length
under
test
force
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
207 N
(46.5
lb.)
Length
of
spring
at
valve
open position
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32.28
mm
(1.271
in.)
Use
again
minimum
load at
valve
open position
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 642 N
(144.4
lb.)
Free
length
after
test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
52.1
mm
(2.05
in.)
Outside
diameter
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35.20
mm
(1.386
in.)
Spring
must
not be bent more than . . . . . . . . . .
1.83
mm
(.072
in.)
Height
to top of
valve
guide
. . . . . . . . . . . . . . . . . . .
22.23
mm
(.875
in.)
Diameter
of
valve
stem
(new)
. . . . . . . . . . . . . . . . . . .
9.441
*
0.008
mm
(.3717
*
.0003
in.)
Uee
again minimum diameter
. . . . . . . . . . . . . . . .
9.408
mm
(.3704
in.)
Bore
in
valve
guide
with
guide
installed
in the
head.
Minimum
permissible
(new)
. . . . . . . . . . . . . . . . . . .
9.456
mm
(.3723
in.)
Maximum
permissible
(worn)
. . . . . . . . . . . . . . . . 9.581 mm (.3772 in.)
Valve lip thickness:
6N9916 Exhauat Valve
Use again minimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.69 mm (.106 in.)
7N572 Intake Valve
Uae again minimum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.89 mm (.106 in.)
Diameter of valve head:
Exhaust valve . . . . . . . . . . .
48.16 ~ 0.13 mm (1.898 * .005 in.)
Intake valve . . . . . . . . . . . . . .
51.31 * 0.13 mm (2.020 * .005 in.)
Angle of valve face . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 1/4°
Depth of bore in head for valve
seat insert . . . . . . . . . . . . . . . . . .
12.41 * 0.13 mm (.488 * .005 in.)
Diameter of valve aeat insert for exhauat
valve . . . . . . . . . . . . . . . . .
50.889 t 0.013 mm (2.0035 * .0005 in.)
8ore in head for valve seat inserf for exhaust
valve . . . . . . . . . . . . . . . . .
50.813 * 0.013 mm (2.0005 t .0005 in.)
Diameter of valve seat inserf for intake
valve . . . . . . . . . . . . . . . . .
52.032 t 0.013 mm (2.0485 t .0005 in.)
Sore in head for valve seat insert for intake
valve . . . . . . . . . . . . . . . . .
51.956 ~ 0.013 mm (2.0455 ~ .0005 in.)
Angle of face of valve aeat inserf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 300
(10) Maximum permissible width of valve seat
(intake and
exhaust
) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.93 mm (.076 in.)
Minimum permissible width of valve seat
(intake and exhaust) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . l.I4 mm (.o45 in.)
(11) Dimension from top of closed valve to face of head:
Mhimum permissible dimension for
6N9916 Exhaust Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.66 mm (.026 in.)
(12)
Outside diameter of the face of the valve seat insert:
Exhaust
seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46.02 mm (1.612 in.)
Maximum permissible,
exhauat seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47.29 mm (1.882 in.)
Intake seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49.28 mm (1.940 in.)
Maximum permissible,
intake seat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50.55 mm (1.990 in.)
Angle to grind seat face of the insert to get a
reduction of maximum seat diameter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15°
Minimum permissible dimension for
(13)
7N572 Intake Valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.15 mm (.006 in.)
2-7
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