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 159 of 208
3-63. Advance Unit Assembly
Fig
No
B-7
a
Ref.
Ietter
b
a-b
c
c d
e
*
*
*
c
* See paragraph 3-59
Point of measurement
OD of housing brushing type bearing. . . . . . . . . . . . . . . . . . . . . . . . .
ID of bearing bore in housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fit of bearing in housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OD of weight and spider shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ID of housing bushing type bearing.
. . . . . . . . . . . . . . . . . . . . . . . . .
Fit of shaft in bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Advance unit springs:
(1) Spring SP9041(used encode B, F, G Pumps)
Freelength, inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compression at 1.4000-inch length . . . . . . . . . . . . . . .
Lbs. compression at 1.0000-inch length . . . . . . . . . . . . . . .
(2) Spring SP9043 (used on codes C, D, E Pumps).
Freelength, inch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compassion at 1.4000-inch length . . . . . . . . . . . . . . . .
Lbs. compression at 1.0000-inch length . . . . . . . . . . . . . . .
(3) Spring SP857-3 (used on code A Pump).
Freelength, inches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Spring rate, lbs/in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Lbs. compression at 1.0000-inch length . . . . . . . . . . . . . . .
3-64. Torque Specifications
Figure
3-43
3-58
3-67
3-67
3-81
3-84
3-85
3-90
3-93
3-105
3-116
3-117
3-122
3-123
3-126
3-126
3-135
3-140
3-147
3-151
3-153
3-173
3-173
TM 9-2910-226-34
Sizes and fits
of new parts
1.0025 to 1.0035
0.9995 to 1.0005
0.002m to 0.0040T
0.8090 to 0.8095
0.8098 to 0.8107
0.0003L to 0.0017L
1.5420
69
9.3 to 10.3
35.3 to 39.3
1.7730
55
19.6 to 21.6
40.6 to 44.6
1.5330
102.5
51.3 to 56.7
Torque Value
Fuel supply pump cover screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dust cover screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fulcrum lever hex nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fulcrum lever self-locking nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stop lever clamping screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating lever clamping nut.
.....
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Governor weight and spider assembly hubnut. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Covernor weight and spider assembly function drive slippage. . . . . . . . . . . . . . . .
Camshaft bearing retaining locknut. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quill shaft attaching screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Quill shaft cover attaching screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Hydraulic headattaching nuts.
... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil filter screw . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Camshaft nut setscrew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Advance unit attaching screws.
.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Governor attaching screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Governor end attaching screws. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control unit attaching screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Density compensator attaching screws . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High-speed adjustment screw hex nut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Idle adjustment screw locknut . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wear Iimits
(direct and
general support
maintenance)
0.8085
0.8127
0.0024L
66.6
8.8
33.0
53.2
18.6
29.2
49.5
30-35 inch-pounds
50-60 inch-pounds
50-60 inch-pounds
12-14 inch-pounds
50-60 inch-pounds
70-75 inch-pounds
80-85 foot-pounds
48-72 inch-pounds
25-40 foot-pounds
80-90 inch-pounds
50-60 inch-pounds
18-20 foot-pounds
20-25 foot-pounds
50-55 foot-pounds
15-18 foot-pounds
17-20 foot-pounds
50-60 inch-pounds
50-60 inch-pounds
18-23 inch-pounds
50-60 inch-pounds
50-60 inch-pounds
50-60 inch-pounds
Change 2
3-113
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