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 230 of 779

Remove

1.

Remove pan head screw

(A)

and self-locking nut

attaching two cushioned clamps to fuel return hose and

turbosupercharger oil inlet hose.

2. Disconnect fuel return hose (B) from fuel return check

valve (C) and remove hose.

3. Remove fuel return check valve (C) from fuel in-

jection pump.

Install

1. Install fuel return check valve (C) in fuel injection

pump.

2. Install fuel return hose (B) and connect to fuel return

check valve (C).

3. Position one cushioned clamp on fuel return hose and

one cushioned clamp on turbosupercharger oil inlet

hose at position shown. Install pan head screw (A) and

self-locking nut securing clamps.

Figure 5-73. Removing or installing fuel

return hose-engines with rerouted

Remove

1.

Loosen

two

breather tube hose clamps (A).

2. Remove two bolts (B) and lock washers attaching

crankcase breather tube tee to rear fan drive housing.

3. Remove tube tee. Remote and discard tube tee gasket

(C).

Install

1. Position a new tube tee gasket (C) on rear fan drive

housing. Position crankcase breather tube tee on

housing.

2. Install two bolts (B) and lock washers securing tube

tee to drive housing.

3. Tighten two breather tube hose clamps (A).

Figure 5-74. Removing or installing

crankcase breather tube tee-engines

with rerouted crankcase breather tube.

fuel return hose.

5-44