Figure 6-97. Removing or installing pressure oil pickup cover.

b . Cleaning. Refer to paragraph 6-2.

c. I n s p e c t i o n . 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 - 2 1 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. T h e w e l d i n g

repair of chips, cracks, and the replacement of

m e t a l is permissible in the oil pan to prevent oil

leakage between compartments or from cast

passages. Repair cracks that do not extend over

12 inches lengthwise and when there are not

m o r e 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.

M o u n t bosses may also be repaired if chipped or

c r a c k e d . After welding repair of the oil pan, leak

Remove

test compartments and cast passages. Pressure

1. Remove pressure oil pickup cover (A).

test is not necessary.

2. Remove oil pan pipe plug (B).

Install

1. Install oil pan pipe plug (B).

2. Install pressure oil pickup cover (A).

Figure 6-97. Removing or installing pressure

oil pickup cover.

Table 6-21. Oil Pan Standard and Oversize Stud Identification

Stud size

No.

Fig.

Set ting

Ref

and length

height

No.

req'd

No.

5/16-18(3/4)

x5/

16(23/32)

3-9/32

(STD)

2-13 / 16

B-7

(0.003 in. OS)

(0.007 in. OS)

1-21 / 32

5/16-18(15/16) x5/ 16-24(25/32) x 2-1/8 (STD)

B-7

(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)

25 / 32

B-8

(0.003 in. OS)

(0.007 in. OS)

(0.012 in. OS)

3/8-16(15/16)

x3/

8-24(13/16)

2-3/32

(STD)

1-11 / 32

B-8

(0.003 in. OS)

(0.007 in. OS)

e . A s s e m b l y . Refer to figures 6-97 through 6-

N o t e . Refer to figure 6-1 for oversize stud

88.

identification.

6-96