INSPECTION (cont) - TM-10-3930-638-24-P0808

TM 10-3930-638-24&P

4-2. ENGINE MAINTENANCE (cont)

d. Crankshaft and Main Bearing (cont}.

ITEM

REMARKS

ACTION -

STEP

LOCATION

INSPECTION (cont)

(con:t)

Main bearing

Main bearing liners

a. Remove

Slide out

caps (4, 5,

(11, 12, and 14)

and 7)

b. Inspect

Inspect for cracks, scoring, pitting, flaking,

or signs of overheating. Check liner back

for bright spots. Replace if any of these

conditions observed

Inspect

Main bearing caps

Check for cracks, damage, wear, scoring,

(4, 5,6 and 7)

and pitting. Replace if any of these con-

ditions observed

NOTE

Perform step 10 for each main bearing cap (4, 5,6, or 7) requiring

replacement. Proceed to installation (step 11) if original main

bearing caps (4, 5,6 or 7) are being installed.

Cylinder block,

Position

a. Replacement main

In correct location. Be sure lock notches

bottom

bearing cap (4, 5,

are on same side as shown

6, or 7)

4-30