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 375 of 779

Remove

1

. Slide pressure driven impeller (A) from oil pump

driven impeller shaft.

2. Remove driven impeller shaft (B) from pressure

housing.

Install

1. Install driven impeller shaft (B) in pressure housing.

2. Slide pressure driven impeller (A) on oil pump driven

impeller shaft.

Figure 6-78. Removing or installing oil

pump driven impeller and shaft.

Remove

1. Remove Woodruff key (A) from impeller drive shaft.

2. Remove drilled head bolt (B) and lock plate.

3. Cut locking wire and remove five slotted nuts (C) and

flat washers attaching pressure housing cover to

pressure housing.

4. Separate and remove cover (D) from housing.

Install

1. Position pressure housing cover (D) on pressure

housing.

2. Install five slotted nuts (C) and flat washers securing

cover on housing and install locking wire securing nuts.

3. Position lock plate on cover and install drilled head

bolt (B).

4. Install Woodruff key (A) in impeller drive shaft.

Figure 6-79. Removing or installing pressure

housing cover (FSN 2815-679-4965

oil pump).

6-81