JLG 4017 Service Manual - Manual (Page 119)

8.19 4017
Hydraulic System
individual circuit. Activate the circuit and if pressure is
obtained turn the main relief counter clockwise one half
turn. Re-check the main relief setting and adjust if
necessary.
8.8.3 Steering Cylinders
The steer cylinder (1) is attached to each axle center
housing. The steer cylinder is covered in the appropriate
manufacturer’s axle literature
8.8.4 Cylinder Torque Specifications
Axle Center Section
1
Description Piston Head Cylinder Gland
Lift Cylinder 2490-2540 Nm (1837-1873 lb-ft) 950-1000 Nm (700-738 lb-ft)
Extend/Retract
Cylinder
2160-2210 Nm (1593-1630 lb-ft) 625-675 Nm (461-498 lb-ft)
Tilt Cylinder 2850-2900 Nm (2102-2139 lb-ft) 775-825 Nm (572-608 lb-ft)
Compensation
Cylinder
850-900 Nm (627-664 lb-ft) 380-430 Nm (280-317 lb-ft)
Sway Cylinder 1050-1100 Nm (774-811 lb-ft) 400-450 Nm (295-332 lb-ft)
Outrigger Cylinder 1300-1350 Nm (959-996 lb-ft) 625-675 Nm (461-498 lb-ft)
Note: All set screws for the piston heads are torqued to 20-25 Nm (177-221 lb-in) using Loctite 648 ® .
Note: All cylinder glands are torqued using DELO ML ® 5249.
Note: All bearings in the cylinder glands use Loctite 648 ® .