TM-9-2815-220-24

AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL FOR AVDS-1790 2CA, 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

TM-9-2815-220-24 - Page 715 of 1563

TM 9-2815-220-24

MANIFOLD HEATER ASSEM

B

LY AND RELATED PARTS REPLACEMENT 0088 00

CLEANING

1. See Work Package 0028 for General

Cleaning Procedures.

WARNING

Inlet

46

Cleaning Solvent, Compressed Air

2. Check that nozzle (46) orifice is clean (use

cleaning solvent (item 8, WP 0173), do not

use any type of probe).

Use compressed air

to blow through nozzle from inlet end.

Observe that atomization occurs.

Outlet

INSPECTION

All parts must be inspected with care.

Replace parts if damage or wear exceeds allowable

limits.

1. See Work Package 0028 for General Inspection Procedures.

Inlet Port (hidden)

2. Inspect inlet and outlet ports of fuel inlet

solenoid (27) and fuel return solenoid (16).

If felt filters are found, remove and discard

them.

Felt filters are not required and should

be removed.

16, 27

Outlet Port

NOTE

The flame heater spark plug can be cleaned in the same manner as

any automotive spark plug.

9

3. Check spark plug (9) gap.

a. Set spark plug (9) gap to

0.094-0.114 inch (2.3876-2.8956 mm).

WP 0088 00-9