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 647 of 1563

TM 9-2815-220-24

FUEL INJECTION NOZZLE RETURN HOSES REPLACEMENT

0080 00

REMOVAL (Continued)

NOTE

Steps 13 through 19 are for early 2DR engine models only.

13. Remove loop clamps (27, 28, 29) by removing screws (18) and self-locking nuts (19).

Discard

self-locking nuts.

14. Remove hoses (30, 31, 32) as an assembly.

15. Separate hoses (30, 31, 32) from tee fitting (33).

Discard hoses.

16. Remove elbow (34) and check valve (35).

17. Remove bulkhead fitting (36).

a. Remove nut (37) and lock washer (38) to remove fitting (36).

Discard lock washer.

18. Remove plug assembly (39).

a. Remove nut (40) to remove assembly (39).

b. Remove plug (41) from assembly.

c. Remove retaining ring (42) to separate sleeve (43) from nut (40).

Discard retaining ring.

19. Remove cross fitting (24).

a. Disconnect hose (23) [fuel return from manifold heaters].

b. Remove nut (25).

c. Remove flat washer (26) and fitting (24).

WP 0080 00-5

27

43

32

34

35

36

37

38

19

30

33

28

18

27

29

31

26

24

25

41

40

39

42

23