TM-9-2815-200-35
ENGINE, WITH CONTAINER:TURBOSUPERCHARGED, DIESEL ,FUEL INJECTION ,90-DEGREE “V” TYPE, AIR - COOLED ,12 - CYLINDER , ASSEMBLY ;MODELS AVDS-1790-2M (2815-856-4996), AVDS-1790-2A AND AVDS-1790-2AM (2815-856-9005)
TECHNICAL MANUAL; DIRECT SUPPORT, GENERAL SUPPORT AND DEPOT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LISTS
TM-9-2815-200-35 - Page 380 of 779
Table 6-19. Oil Pump Overhaul Standards -
Continued
Component
Impellers and
shafts - Cont’ d
Oil pump drive
gea r
an d
bearings
Oi l
pum p
pressure relief
valve
Fig.
No.
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
B-9
Pisto n
oil
B-9
cooling valve
Ref.
letter
H H
H-H H
K K
J J
JJ
P
KK- P
Q
N-Q
s
R
V
T
V-T
U
Point of measurement
Sizes and fits
of new parts
Inside diameter of pieton sprayer pump im-
pellers
Fit of impellers on shaft
Outside diameter of bearings
Inside diameter of small gear end of drive gear
Fit of bearing in drive gear
Inside diameter of large gear end of drive gear
Fit of bearing in drive gear
Inside diameter of bearings
Outside diameter of oil pump drive shaft
Fit of bearings on shaft
Spring helical compression (small)
Approximate free length
Load at 3.22 inch
Maximum solid height
Spring helical compression (large)
Approximate free length
Load at 3.22 inch
Maximum solid height
Outside diameter of valve stem
Inside diameter of pressure relief valve body
Fit of valve stem in valve body
Spring, helical compression:
Approximate free length
Load at 1.38 inch
Maximum solid height
0.9860 0.986 5
0.0021L 0.0031 L
2.0467 2.047 2
2.0463 2.047 0
0.0003L 0.0009 T
2.0463
2.0470
0.0003L 0.0009 T
0.9839
0.9843
0.9835
0.9840
0.0008L 0.0001 T
4.27 inch
95 lb to 105 1b
2.94 inch
4.96 inch
141.5 lb to 156.5 lb
2.90 inch
0.3110 0.311 5
0.3140 0.316 0
0.0025L 0.0050 L
2.69 inch
Wear limits
0.9870
0.0041L
*
2.0473
0.0006L
2.0473
0.0006L
*
0.9833
O.OO1OL
0.3105
0.3170
0.0065L
63.4 lb to 75.4 lb
1.31 inch
Note.
Refer to paragraph
6-3b for explanation of symbols.
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