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 1241 of 1563

TM 9-2815-220-24

CAMSHAFT, DRIVE GEARS, AND ASSOCIATED PARTS REPLACEMENT

0146 00

INSPECTION (Continued)

7. Inspect camshaft bearing halves (33).

a. Look for pitting, galling, burrs or nicks.

b. Replace bearing sleeves that show pitting, galling, burrs, nicks or any other forms of

destruction to the bearing surface.

NOTE

Fine scratches on bearing sleeves are not cause for rejection.

8. Perform "Installed" checks of bearing halves (33).

a. Spread a thin coat of Prussian blue (item 25, WP 0173) over the backs of the bearing

halves (33) and install in their original location on cylinder assembly (34) and rocker

cover (35).

b. Lubricate (using Lubriplate, item 23, WP 0173) four screws (36).

Secure rocker cover (35)

to its matching cylinder assembly (34) with four lubricated screws (36) and four used seal

washers (37).

c. Torque four screws (36) to 23-27 foot-pounds (31-37 N

•

m).

35

34

33

37 (four places)

36 (four places)

WP 0146 00-9