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 372 of 779

Remove

1. Straighten tabs on lockwasher (A) securing lock nut.

2. Hold oil pump drive shaft with wrench (B).

3. Remove lock nut from drive shaft using a spanner

wrench (C). Remove lock washer from drive shaft.

Install

1. Install lock washer (A) on oil pump drive shaft.

Install lock nut on drive shaft.

2. Hold drive shaft with wrench (B) and tighten lock nut

using a spanner wrench (C).

3. Bend tabs on lock washer(A) securing lock nut.

Figure 6-72. Removing or installing oil pump

drive shaft lock nut.

Remove

1. Remove oil pump drive shaft (A) with assembled

cluster gear.

2. Remove thrust washer (B) from drive shaft.

Install

1. Position thrust washer (B) on oil pump drive shaft.

2. Install drive shaft (A) with assembled cluster gear

in pump housing.

Figure 6-73. Removing or installing oil pump

drive shaft and cluster gear

(FSN 2815-895-6430 oil pump).

Figure 6-74. Removing oil pump driven gear

from impeller drive shaft using

suitable puller.

6-78