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 - Page 160 of 779

Note.

Valve rockers do not have to be removed

to replace adjusting screws.

Figure 4-158. Removing or installing valve

adjusting screw.

Figure 4-159. Removing or installing

rocker arm shaft plugs.

valve

Figure 4-160. Removing valve rocker arm

shafts and valve rocker arms.

1. Position valve rocker arms in reeker arm cover. Insert

valve rocker arm shaft ( A ) through bore in rocker arm

cover and rocker arm.

2. Use one rocker arm cover bolt (B) to a line hole in

shaft with bolt hole in cover. Push shaft into position,

without twisting, to retain alinement.

Note.

Under normal circumstances, if rocker

arm cover is damaged, the entire cylinder and

cover must be replaced. In cases of emergency.

the rocker arm covers can be changed hut it will

require special attention to insure alinement of

the two halves of the camshaft base.

Figure 4-161. Installing valve rocker arms

and valve rocker arm shafts.

4-78