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 347 of 779

1. Remove exhaust valve inner, intermediate, and outer

4. Place cylinder on side and remove the intake and

valve springs, upper retainer and exhaust valve rotor

exhaust valves (D) through the cylinder bore.

(A) from valve stem.

2. Remove intake valve springs (B), retainer, and seat in

Note.

Temporarily install valve rocker arm

the same manner.

covers on cylinders with two bolts to prevent

3. Hold the valve stems in position in the cylinder head

damage arid mismating of parts. Refer to figure

and remove the cylinder from removing and inserting

5-105 for cover and cylinder identification.

valve stand - 4910-554-1317 (C).

Figure 6-49. Removing or installing valve springs, upper retainers,

and exhaust valve rotor.

6-53