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

  TM-9-2815-200-35 - Page 390 of 779

Remove
1. Remove pressure oil pickup cover (A).
2. Remove oil pan pipe plug (B).
Install
1. Install oil pan pipe plug (B).
2. Install pressure oil pickup cover (A).
b .
c.
Cleaning.
Refer to paragraph 6-2.
Inspection.
Refer to paragraph 6-3. The oil
pan gasket flange must not be out-of flat by more
than 0.004-inch per foot.
d. Repair.
Refer to paragraph 6-4e and table
6-21 when replacing studs. Refer to paragraph 6-
4
C
for general welding instructions and (1) and
(2), below, for specific information on welding
repair of the oil pan.
(1) Oil pan bottom surfaces.
The weldin g
repair of chips, cracks, and the replacement of
metal is permissible in the oil pan to prevent oil
leakage between compartments or from cas t
passages. Repair cracks that do not extend over
12 inches lengthwise and when there are not
more than three cracks running crosswise within
a six inch area.
(2)
Oil pan baffles.
Sections of missing
metal
in
oil
baffles
may
be
replaced,
but
care
must be exercised when replacing baffles im-
mediately adjacent to and attaching to the oil
pan outer walls at the engine mounting bosses.
Mount bosses may also be repaired if chipped or
cracked. After welding repair of the oil pan, leak
test compartments and cast passages. Pressure
test is not necessary.
Figure 6-97. Removing or installing pressure
oil pickup cover.
Table 6-21. Oil Pan Standard and Oversize Stud Identification
Fig.
No.
B-7
B-7
B-8
B-8
Ref
No.
21
24
17
14
Set ting
height
2-13 / 16
1-21 / 32
25 / 32
1-11 / 32
No.
req’d
2
2
8
56
Note.
Refer to figure 6-1 for oversize stud
identification.
6-96
Stud size
and length
5/16-18(3/4)
x5/
16(23/32)
x
3-9/32
(STD)
(0.003 in. OS)
(0.007 in. OS)
5/16-18(15/16) x5/ 16-24(25/32) x 2-1/8 (STD)
(0.003 in. OS)
(0.007 in. OS)
(0.012in. OS)
5/ 16-18(3/4) x5/ 16-24(19/32)
x
1-7/16 (STD )
(0.003 in. OS)
(0.007 in. OS)
(0.012 in. OS)
3/8-16(15/16)
x3/
8-24(13/16)
x
2-3/32
(STD)
(0.003 in. OS)
(0.007 in. OS)
e. Assembly.
Refer to figures 6-97 through 6-
88 .


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