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 526 of 779

(8) Refer to figure 5-123 and torque tighten

two drilled head cap screws to 275 pound-inches.

Refer to figure 5-121 and torque tighten seven

self-locking nuts to 275 pound-inches .

(9) Refer to figures 5-120 through 5-11 7

and install the fan horizontal drive shaft. Center

hose on drive shaft housing and tighten hos e

clamps securely .

(10) Refer to figure 7-19 for the view of the

engine as it appears at this stage of assembly.

Note.

To facilitate lifting the front fan drive

housing assembly ,

an improvised lifting too l

can be made from a piece of 3 / 8-in. dia ba r

stock and a discarded slotted fan nut. Bend ba r

stock to shape and securely weld ends of bar to

nut as illustrated in figure 2-1 .

1.

2.

3.

Install improvised lifting tool (A) on fan vertical drive

shaft.

Apply light coat of gasket cement (MIL-C-10523 Ord.)

on mounting base (B).

Lower front fan drive housing assembly and associated

parts on mounting base.

Figure 7-18. Installing front fan drive

housing assembly using improvise d

lifting tool .

7-14