Assembly. - TM-10-3930-627-340101

KEY to figure 12-6:

22. Screw

1. Plug and seal

23. Wiper

2. Nut

24. Packing retainer

3. Seals

25. Packing

4. Nut

26. Spool cap

5. Setscrew

27. Retaining ring

6. Spring

28. Spring retainer

7. Plunger

29. Spring

8. Seat

30. Washer

9. Packing

31. Packing retainer

10. Packing

32. Packing

11. Packing retainer

33. Spool D1

12. Safety relief valve cap

34. Retaining ring

13. Spring

35. Spring retainer

14. Screen

36. Spring

15. Plunger

37. Washer

16. Seat

38. Packing retainer

17. Check valve cap

39. Packing

18. Packing

40. Spool P1

19. Spring

41. Identification plate

20. Poppet

42. Screw

21. Bracket

43:. Body

springs (29 and 36), install springs and secure with

d. Assembly.

retaining rings (27 and 34). Replace spool caps (26).

(1) Thoroughly wet all internal parts with

(5) Install check valve cap (17) and packing (18),

lubricating oil OE 10 just before installation. Take care

spring (19) and poppet (20) in valve body.

to keep parts clean, and assemble in a clean work area.

(6) Screw seat (16) in place and drop in plunger

(2) Replace spools (33 and 40), in valve body

(15) and screen (14). Install pilot seat (8) with packing

(43).

(10) and retainer (11).

Note: These spools are not inter-

(7) Install packing (9) and valve cap (12). Drop

changeable. Note shape and install

plunger (7) and spring (6) in place. Install jam nut (4)

as shown.

and seals (3) on setscrew (5) and loosely install

setscrew. This screw must be adjusted after the valve is

(3) Install packing retainers (24), wipers (23) and

installed on the truck, or on a hydraulic test rack as

packings (25) at upper ends of both spools, then install

given above in b.

brackets (21) on spools.

(8) Install plug (1) and seal (3), and temporarily

(4) Install packings (32 and 39) and retainers (31

replace cap nut (2).

and 38) on lower end of spools. Install washers (30 and

37). Place a spring retainer (28 and 35) on each end of

12-11