INSPECTION (Continued) - TM-9-2815-220-241386

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TM-9-2815-220-24 Maintenance Manual for AVDS-1790 2CA 2DA and 2DR Air-Cooled 12-Cylinder Diesel Engines

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INSPECTION (Continued)

TM 9-2815-220-24

FUEL INJECTION ADVANCE CONTROL REPAIR

0161 00

INSPECTION (Continued)

10. Measure outside diameter (A) of bearing surface on spur gear shaft (4). Replace advance unit

if shaft (4) is not within specifications in the following table.

11. Measure inside diameter (B) of bearing surface on spur gear shaft (4). Replace advance unit if

shaft (4) is not within specifications in the following table.

12. Measure inside diameter (C) of spur gear shaft (4). Replace advance unit if shaft (4) is not

within specifications in the following table.

13. Measure width (D) of flyweight housing (15). Replace advance unit if housing (15) is not

within specifications in the following table.

14. Inspect vane housing (21) for loose or damaged dowel pins (22, 23).

a. Replace damaged dowel pins (WP 0028).

15. Measure width (E) of vane housing (21). Replace advance unit if housing (21) is not within

specifications in the following table.

Location

Sizes and Fit of New Parts

Wear Limits

inches (mm)

A (Spur gear shaft)

1.9686 (50.0024)

1.9690 (50.0126)

1.9684 (49.9974)

B (Spur gear shaft)

1.6260 (41.3004)

1.6270 (41.3258)

1.6275 (41.3385)

C (Spur gear shaft)

1.5015 (38.1381)

1.5020 (38.1508)

1.5030 (38.1762)

D (Flyweight housing)

1.2330 (31.3182)

1.2370 (31.4198)

1.2310 (31.2674)

E (Vane housing)

2.1233 (53.9318)

2.1247 (53.9673)

2.1223 (53.9064)

22 (23 opposite side)

WP 0161 00-10