TM-9-2815-220-24

AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TM-9-2815-220-24 - Page 1160 of 1563

TM 9-2815-220-24

CRANKSHAFT MAIN BEARINGS INSPECTION

0138 00

INSPECTION (Continued)

CAUTION

The main bearing caps are marked 1 through 7 (front to rear) to

identify their locations.

Identifying numbers also appear on bearing

web inside crankcase.

The caps are not interchangeable with each

other and must be returned to their original positions during

installation.

Failure to comply may result in premature engine

failure.

NOTE

The removal procedure for any one main bearing cap is identical to

any other main bearing cap, only 6 and 7 are described.

12. Remove main bearing cap (6, 7).

a. Remove eightr slotted nuts (11).

b. Remove four washer-plates (10).

6,7

10

11

WP 0138 00-10