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 924 of 1563

TM 9-2815-220-24

FUEL INJECTION NOZZLE REPLACE/REPAIR

0114 00

TEST

NOTE

If nozzle passes test, there is no need to disassemble nozzle.

Testing

must be performed after disassembly and repair to confirm repair.

CAUTION

Do not allow dirt to enter nozzle fuel inlet opening.

1. Clean exterior of nozzle assembly (3) to remove carbon and dirt.

Refer to WP 0028.

2. Mount fuel injection nozzle assembly (3) on fuel injection nozzle tester (13) (item 46,

WP 0176).

3. Connect metal tube attaching assembly (14) (item 129, WP 0176), to lower connection (15) on

fuel injection nozzle tester.

WARNING

The penetrating power of atomized fuel under pressure is sufficient to

puncture the skin and may cause blood poisoning leading to loss of

fingers.

Keep hands away from nozzle during test.

4. Fill reservoir (16) with sufficient fuel (item 12, WP 0173) to perform test.

15

14

3

16

13

WP 0114 00-4