JLG 80SL, Service Maintenance Manual

Page: 95 / 162

SECTION 4 - HYDRAULICS
3121325 – JLG Lift – 4-15
1
2
3
4
5
6
7
8
9
10
11
12
13
1. Barrel
2. Piston
3. Setscrew
4. Piston Seal
5. Spacer
6. Head
7. O-Ring
8. Wiper
9. O-Ring
10. Wiper
11. Head Seal
12. Rod
13. Bushing
Figure 4-30. Extension Cylinder Assembly
Table 4-4. Deck Extension Cylinder Specs
Max Working Pressure
3045.7 psi
(210 bar)
Full Bore Relief Pressure
1160.3 psi
(80 bar)
Piston Torque (Apply Loctite 242 to Piston Thread before tightening)
147.5 lb ft
(200 Nm)
Setscrew Torque
14.8 lb ft
(20 Nm)
Max Speed 0.5 m/sec
Max Operating Temperature
22°F to 176°F
(-30°C to 80°C)