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 486 of 779

Remove

Install

1. Remove six-self-locking nuts (A) and bolts.

1. Position front cooling fan shroud rail (F) on cooling

2. Remove two cover plates (B).

fan shroud.

3. Remove eight self-locking nuts (C) and bolts.

2. Install six self-locking nuts (E) and bolts.

4. Remove rear cooling fan shroud rail (D).

3. Position rear cooling fan shroud rail (D) on fan

5. Remove six self-locking nuts (E) and bolts.

shroud.

6. Remove front cooling fan shroud rail (F).

4. Install eight self-locking nuts (C) and bolts.

5. Position two cover plates (B) on fan shroud.

6. Install six self-locking nuts (A) and bolts.

Figure 6-227. Removing or installing cooling fan shroud rails and cove r

plates .

c. Cleaning.

Refer to paragraph 6-2 .

d. Inspection and Repair.

Refer to paragraph s

6-3 and 6-4, and (1) and (2), below .

(1) In the event of complete reconditioning

of the engine and transmission shrouds, th e

rubber seals found on some shrouds must b e

removed and discarded. All paint must b e

stripped off to the bare metal before repainting .

After painting install new rubber seals o n

shrouds as required .

(2) Due to the high temperatures en -

countered near the turbosupercharger the lef t

inner shroud (21, fig. B-22). left outer shrou d

plate (22), turbosupercharger end shroud (24) ,

right outer plate (29), and right inner shrou d

plate (31) require painting with a high tem -

perature heat resisting paint MIL-P-14276 ,

FSN

or

equivalent.

e. Assembly.

Refer to figures 6-227 and 6-226.

Remaining shroud components not assembled a t

this point will be assembled during engin e

assembly, Chapter 7 .

6-192