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 173 of 779

1. Install two mechanical pullers - 5120-473-7222 (A)

into oil seal cap and housing puller

screw

holes.

2. Pull cap and housing free of dowel pins.

Figure 4-177. Removing oil seal housing

using mechanical pullers—5120-473-7222.

Figure 4-178. Removing or installing oil seal

housing cap and housing.

Remove

1. Remove spring (A) from lip in crankshaft oil seal.

2. Remove the split oil seal (B) from crankshaft.

Install

1. Install split oil seal (B) in crankshaft.

2. Install spring (A) in lip in crankshaft seal.

Figure 4-179. Removing or installing

crankshaft oil seal.

1. Position oil seal spring (A) (male and female) to

facilitate removal.

2. Twist male end clockwise and female end (B)

counterclockwise,

and remove crankshaft oil seal

spring.

Figure 4-180. Removing crankshaft oil

seal spring.

4-91