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 135 of 779

Section V. REPLACEMENT OF INTAKE MANIFOLD TUBES

AND INTAKE MANIFOLD ASSEMBLY

4-9. General

This section covers the replacement of intake

manifold tubes an d

the intak e

manifol d

assembly. Intake manifold tubes for cylinder 1 ,

2, 5, and 6, on each side of the engine can b e

replaced without removing the complete intak e

manifold. Intake manifold tubes for cylinder 3

and 4 on each side of engine cannot be replaced

unless the complete intake manifold system i s

removed from the engine. In order to remove any

cylinder intake manifold tube, it is necessary to

remove the oil drain tube on that cylinder. Refer

to Table 4-4 for illustrations and instructions on

removal and installation of the manifold tubes or

manifold assemblies. Figure references are listed

under appropriate headings in the table .

Table 4-4. Intake Manifold Tubes and Intake Manifold Assembly

4-10. Intake Manifold Tubes

For instructional purposes replacement o f

intake manifold tube for cylinder 2L is described

in this section. Tubes for cylinders lL, 5L, 6L ,

lR, 2R, 5R, and 6R are replaced in the sam e

manner .

Figure 4-107. Disconnecting or connectin g

intermediate cylinder head oil drai n

tubes - cylinder 2L .

Disconnect

1. Loosen four hose clamps (A) and side hoses from

intermediate cylinder head oil drain tube.

2. Remove screw and nut attaching flame heater fuel

inlet line cushioned clamp (B) to loop clamp on cylinder

head oil drain tube, if necessary.

Connect

1. Install screw and nut securing flame heater fuel inlet

line cushioned clamp (B) to loop clamp on cylinder

head oil drain tube.

2. Slide hoses on intermediate cylinder head OR drain

tube and tighten four hose clamps (A).

Figure 4-106. Disconnecting or connectin g

cylinder head oil drain tube hoses-cylinder s

IL and 2L .

Figure 4-108. Removing or installing inter -

mediate cylinder head oil drain tube -

cylinder 2L .

4-5 3