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 650 of 1563

TM 9-2815-220-24

FUEL INJECTION NOZZLE RETURN HOSES REPLACEMENT

0080 00

INSTALLATION (Continued)

NOTE

Steps 5 through 11 are for early 2DR engine models only.

5. Install cross fitting (24).

a. Install fitting (24) and flat washer (26).

Secure with nut (25).

b. Connect hose (23) [fuel return from manifold heaters].

6. Install plug assembly (39).

a. Slide sleeve (43) into nut (40) and secure using new retaining ring (42) (item 8, WP 0175).

b. Insert plug (41) into nut and install the assembly (39).

7. Install bulkhead fitting (36).

a. Position fitting (36) through tinwork and secure using nut (37) with new lock washer (38)

(item 88, WP 0175).

8. Install check valve (35) and elbow (34).

9. Install new hoses (30) (item 132, WP 0175), (31) (item 131, WP 0175), and (32) (item 176,

WP 0175) onto tee fitting (33).

10. Install new hoses (30, 31, 32) as an assembly.

11. Secure hoses (30, 31, 32) with loop clamps (27, 28, 29) using screws (18) with new self-

locking nuts (19) (item 42, WP 0175).

WP 0080 00-8

39

27

43

32

34

35

36

37

38

19

30

33

28

18

27

29

31

26

24

25

41

40

42

23