JLG M4069 ANSI Service Manual - Manual (Page 85)

SECTION 4 - HYDRAULICS
3121122 – JLG Lift – 4-13
NOTE: Torque Locknut (4) to 1125 - 1375 ft lbs (1525.3 -
1864 Nm).
• Approximate cylinder dry weight = 224 lbs (101.6 kg)
• Operating Pressure = 2100 psi (145 bar)
LOWER LIFT
CYLINDER
UPPER LIFT
CYLINDER
OR
1
2
3
3
4
5
6
7
8
9
10
12
13
11
14
15
16
17
18
19
20
21
22
23
24
25
26
1. Barrel Weldment
2. Rod Weldment
3. Garmax Bushings
4. Locnut
5. Piston
6. O-Ring
7. Wear Ring
8. Seal
9. Spacer
10. Head
11. Wear Ring
12. Back-Up Ring
13. O-Ring
14. O-Ring
15. Seal
16. Wiper
17. Relief Valve
18. Manual Descent Cable
19. Flatwasher, 1/4"
20. Jam Nut, 1/4" - 28NF
21. Bracket
22. Bolt, 5/16" - 18NC x 3/4"
23. Cotter Pin, 1/8" x 1 1/4"
24. Adapter
25. Solenoid Valve (Lower Cylinder)
26. Solenoid Valve (Upper Cylinder)
Figure 4-12. Lift Cylinder - 4069LE & M4069