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 519 of 779

7-7.

Starter and Generator Drive Adapters ,

Vibration Damper, Sending Units ,

Oil Pump, and Oil Tube s

Refer to Table 7-3 for illustration s

and assembly instructions. References are listed i n

the table .

Table 7-3. Starter and Generator Drive Adapters, Vibration Damper,

Sending Units, Oil Pump, and Oil Tubes

Component

References

Generator Drive Adapter and Drive Gearshaft

Para 7-7a, Figs. 5-158 through 5-156

Starter Drive Adapter and Starter Driven Gear

Para 7-7b, Figs. 5-155 through 5-153

Crankshaft Torsional Vibration Damper and Fuel Pump

Para 7-7c, Fig. 5-151

Drive Shaft Coupling

Sending Units, Oil Pump, and Oil Tubes

Para 7-7 and e, Figs. 5-156, 7-10, 5-149, 5-148

a. Generator Drive Adapter and Driv e

Gearshaft.

Refer to figures 5-158 through 5 -

156 .

b. Starter Drive Adapter and Starter Drive n

Gear.

Refer to figures 5-155 through 5-153 .

c. Crankshaft Torsional Vibration Dampe r

and Fuel Pump Drive Shaft Coupling.

Refer t o

figure 5-151 and position crankshaft torsiona l

vibration damper on crankshaft. Tighten fue l

pump drive coupling adapter and vibratio n

damper mounting bolts to 1000 pound-inches .

d. Oil Pressure Sending Unit, Switch, an d

Generator Air Intake Tube Support Brackets .

Refer to figure 5-150 .

e. Oil Pump and Oil Tubes.

Refer to figure s

5-149 and 5-148. Always use new preforme d

packings on oil transfer tubes when installing the

oil pump assembly. Make certain oil transfe r

tubes aline with openings in crankcase and mesh

oil pump drive gear with accessory drive gea r

(fig. 7-10). Check oil pump drive gear to b e

certain there is 0.008 to 0.012 inch backlas h

between teeth of pump drive gear and accessory

drive gear .

Figure 7-10. Oil pump mounting flange oi l

discharge locations .

7-7