Assembly - Danfoss 51 Series Service Manual

Service Manual
HC Controls
Series 51 Hydraulic Proportional Controls Service Manual
Legend (continued)
Item
M18
M10 (060, 080, 110)
M10 (160, 250)

Assembly

1. Lubricate and install O-rings (F324).
2. Install 4-way valve (F32).
3. Using petroleum jelly, lubricate and install O-rings (G38), (G36) and (G42) or install gasket (N240).
4. Install block (M1HC).
5. Install screws (M10) and washers (M11), if present.
6. Install spring (J10).
7. Install pin (M26). Install spring seat (M25).
8. Install the pilot piston (M24).
9. Install spring (M22). Install spring seat (M20)
10. Install gasket (M14). Install cover (M12).
11. Using a 4 mm internal hex wrench, install screws (M28). Torque to 6.4 Nm [4.7 lbf•ft].
12. Install adjustment screw (M18). Install locknut (M16).
13. Hold adjustment screw in place and torque locknut (M16) to 9 Nm [6.6 lbf•ft].
14. Slide shuttle spool (M44) into block.
15. Lubricate and install O-rings (M34A).
16. Using a 1/4-inch internal hex, install plugs (M34).
17. Install check ball (M47)
18. Install check ball seat (M46)
19. Lubricate and install O-ring (M48A).
20. Using a 1/4-inch internal hex, install plug (M48)
21. Using a 4 mm internal hex, install bleed valve (M38).
22. Using a 10 mm wrench, install locknut (M40).
23. Hold bleed valve in place and torque lock nut per table.
11009446 • Rev BA • July 2014
Wrench size
4 mm internal hex
8 mm internal hex
10 mm internal hex
Torque
N/A
78 Nm [58 lbf•ft]
110 Nm [81 lbf•ft]
31