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 287 of 779

Note.

Use caution when removing mai n

bearing cap so that lower main sleeve bearing

half does not drop out accidentally. Sleeve

bearing halves can be easily damaged.

1. Install crankcase spreading tool -5120-575-1767 (A)

in crankcase assembly midway between two main

bearing caps. Tighten spreading tool just enough to

release pressure of crankcase from ends of main bearing

caps.

2. Install mechanical puller - 5120-310-4668 (B) in

mechanical adapter - 5120-837-5091. Install puller

adapter into threaded bole provided in No. 1 main

bearing cap (C).

3. Gently tap the main bearing cap free of the crankcase

using the slide hammer on puller. Remove main bearing

cap and lower main sleeve bearing half and separate tbe

bearing half from the cap. Mark sleeve bearing half

with its respective location, using a grease pencil, for

identification; e, g., “ 1 cap, ” “2 cap, ” etc.

4. Remove remaining bearing caps (D) (Nos. 2 through

7) and tbe lower sleeve bearing halves in similar

manner using puller - 5120-310-4668 and positioning

the spreading tool - 5120-575-7767 between bearing

caps as necessary. Remove sleeve bearings from bearing

caps.

Figure 5-174. Removing main bearing cap using crankcase spreading

tool-5120-575-7767, mechanical adapter-5120-837-5091, and

mechanical puller-5120-310-4668.

5-101