JLG E450A, Service And Maintenance Manual, Page: 225 / 480

SECTION 5 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
3121714 5-67
MAE32710A
1001230305-A
6
2
18
12
3
15
16
14
15
16
15
13
22
7***
20
4
8
9
10
23
21
23
7***
5
5
1
24 24
19**
17*
17*
* Torque to 7 ft. lbs. (10 Nm)
** Torque to 34-38 ft. lbs. (46-52 Nm)
*** Torque to 50-55 ft. lbs. (68-75 Nm)
6
11
1. Barrel
2. Rod
3. Head
4. Piston
5. Bushing
6. Bushing
7. Counterbalance Valve
8. Bushing
9. Sleeve
10. Locknut
11. Plug
12. Wiper Seal
13. Rod Seal
14. O-ring
15. Backup Ring
16. O-ring 17. Plug
18. O-ring
19. Plug
20. O-ring 21. Piston Seal
22. Wear Ring
23. Wear Ring
24. Plug
Figure 5-39. Jib Lift Cylinder (SN B300002487 to Present)