TM-9-2910-226-34
PUMP, FUEL, METERING AND DISTRIBUTING, ASSEMBLY
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT, MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS
JUNE 1974
TM-9-2910-226-34 - Page 156 of 208
TM 9-2910-226-34
(13) Identify pump with a suitable tag giving
Table 3-11. Governor Inner and Outer Spacer Dimensions
model of engine pump is to be used on, and the FSN
number of the pump.
Pump code
Engine model
Outer spring
Inner spring
h. Pump Preservation.
Preservation and packag-
A
LDS-465-2
0.040-0.060 in.
0.100-0.120 in.
B
LDS-465-1A
0.020.040 in.
0. 100-0. 120 in.
ing of the pump must be sufficient to afford
C
LD-465-1
0.040-0.060 in.
0. 100.0. 120 in.
adequate protection against corrosion, deteriora-
D
LD-465-1C
0.040-0.060 in.
0.100-0.120 in.
tion, and physical damage during storage and ship-
E
LDT465-1C
0.020-0.040 in
0.100-0.120 in.*
ment from the repair source to the user. Prepare
E
LDT465-1C
0.040-0.060 in.
0.100-0.120 in.**
the pump to meet these requirements.
F
LDS-465-1
0.020-0.040 in.
0. 100-0. 120 in.
G
LDS-427-2
0.080-0. 100 in.
0.100-0.120 in.
* INJ Pump P/N 10935264-1
** INJ Pump P/N 10935264-2
Section VI. REPAIR STANDARDS
3-59. General.
The repair standards give
rosion will be approved for service. An asterisk (*) .
minimum, maximum, and important clearances of
in “Wear limits” column indicates that part or parts
new or rebuilt parts. They also give wear limits
should be replaced when worn beyond limits given
which indicate that point to which a part or parts
in “Sizes and fits of new parts” column. In “Sizes .
may be worn before replacement. Normally, all
and fits of new parts” column, the letter L indicates
parts which have not worn beyond dimensions
a loose fit (clearance) and the letter T indicates a
shown in “Wear limits” column or damaged by cor-
tight fit (interference). All dimensions shown are in
inches.
3-60. Injection Pump Assembly.
Fig.
No.
B-2
B-3
*See paragraph 3-59.
3-110
Ref.
letter
a
a
b
c
a-c
d
b
c
Change 1
Point of measurement
ID of pin hole in fuel control unit. . . . . . . . . . . . . . . . . . . . . .
Thickness of flats of plunger sleeve pin
. . . . . . . . . . . . . . . .
OD of plunger sleeve pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fit of pin in control unit . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
Rod return spring:
Free length . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lb compression at 1.4930-inch length . . . . . . . . . . . . . .
OD of sleeve end of camshaft . . . . . . . . . . . . . . . . . . . . . . . . . .
Governor inner spring:
Spring SP 7950-16, No. 10951113, FSN 2910-836-
7316 (for LDS-465-2, code A Pump).
Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compression at 1.8000-inch length
. . . . . . . .
Spring SP7950-11, No. 10923499, FSN 2990-850-
3260 (all but LDS-465-2 & LDT-465 Pumps)
(used on B, C, D, F, G Pumps).
Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in . .
. . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compression at 1.8000 inch length . . . . . . . .
Spring SP7950-22, No. 11668460, FSN 5360-081-
6977 (for LDT-46S, code E Pumps).
Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compression at 1.8000-inch length
. . . . . . . .
Governor outer spring:
Spring SP7951-11, No. 10923488, FSN 2910-846-
4659 (LDS-427-2, code G Pump).
Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compression at 1.4000-inch length . . . . . . . .
Spring SP7951-12, No. 11588685, FSN 5340-930-
5140 (all LD/LDS-465 Pumps) (used on
A, B, C, D, F Pumps).
Free length, inches . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compression at 1.4000-inch length . . . . . . . .
Sizes end fits
of new parts
0.0935 to 0.0942
0.0993 to 0.1000
0.0927 to 0.0933
0.0002L to 0.0015L
2.0000
0.45 to 0.55 lbs.
0.3735 to 0.3740
1.9530 to 2.0470
175
33.25 to 36.75
1.9530 to 2.0470
150
28.5 to 31.5
1.9530 to 2.0470
72
25.6 to 28.4
1.5150 to 1.6090
20
3.10 to 3.40
1.5150 to 1.6090
30
4.61 to 5.09
Wear limits
(direct and
general support
maintenance)
0.0947
0.0990
0.0924
0.0020L
*
0.3710
1.9150
170
31.6
1.9150
145
27.1
1.9150
68
25.5
1.4750
19.2
2.95
1.4750
28.8
4.40
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