JLG G6-42A Service Manual - Manual (Page 163)

8-29 G6-42A, G9-43A, G10-43A
Hydraulic System
8.8.5 Cylinder Torque Specifications - G9-43A & G10-43A
a. Lift/Lower Cylinder
Note: The capscrews for the piston need to be torqued in sequence in an alternating pattern starting at 150 lb-ft to
300 lb-ft to the final 460 lb-ft. Check the final torque in a circular pattern a minimum of two times.
b. Extend/Retract Cylinder
c. Tilt Cylinder
d. Compensation Cylinder
e. Frame Level Cylinder
f. Stabilizer Cylinder (if equipped)
g. Outrigger Cylinder (G10-43A)
Piston Valve
460 lb-ft (623 Nm) 44 lb-ft (60 Nm)
Head Nut Valve Set Screw
100 lb-ft (135 Nm) 1000 lb-ft (1355 Nm) 44 lb-ft (60 Nm) 11 lb-ft (15 Nm)
Head Nut Valve Valve Plug
Before S/N 0160007142 200 lb-ft (271 Nm) 1250-1300 lb-ft
(1694-1762 Nm)
45-50 lb-ft
(61-67 Nm)
N/A
S/N 0160007142 & After 550-600 lb-ft
(745-813 Nm)
2025-2075 lb-ft
(2745-2813 Nm)
N/A 10-15 lb-ft
(14-20 Nm)
Head Nut
Before S/N 0160007176 200 lb-ft (271 Nm) 1250-1300 lb-ft (1694-1762 Nm)
S/N 0160007176 & After 550-600 lb-ft (745-813 Nm) 2025-2075 lb-ft (2745-2813 Nm)
Head Nut
100 lb-ft (165 Nm) 900 lb-ft (1220 Nm)
Head Nut
300-325 lb-ft (407-441 Nm) 650-700 lb-ft (881-949 Nm)
Head Nut
N/A 1100 lb-ft (1491 Nm)