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 434 of 779

Remove

1. Remove plain nut (A) and lock washer attaching drive

coupler half to fuel injection pump spur gearshaft.

Install

1. Install plain nut (A) and lock washer securing drive

coupler half to fuel injection pump spur gearshaft.

Tighten the nut to a torque of 900 pound-inches.

Figure 6-164. Removing or installing fuel

injection pump diaphragm driv e

coupler half.

Caution;

Do not attempt to remove th e

diaphragm drive coupler half from the shaft

using a standard puller as shown in figure 6-163.

This may distort the coupler and render it un-

serviceable. Use puller as shown.

1. Remove coupler half (A) from spur gearshaft using

improvised tool (fig. 2-2).

2. Remove pilot ring (B) from gearshaft.

3. Remove Woodruff key (C) from gearshaft.

Note.

The diaphragm type drive couple r

halves are not matched sets and it is no t

necessary to maintain them in pairs. The parts

are interchangeable between assemblies.

Figure 6-165. Removing fuel injection pump

diaphragm drive coupler half.

6-140