JLG G12-55A AccuPlace Service Manual - Manual (Page 117)

8.27 G10-55A & G12-55A AccuPlace
Hydraulic System
8.10.4 Cylinder Torque Specifications
a. Lift/Lower Cylinder
b. Extend/Retract Cylinder
c. Tilt Cylinder
d. Frame Level Cylinder
e. Stabilizer Cylinder
f. Outrigger Cylinder
Model Head Nut Valve Valve Screw
G10-55A 275 lb-ft min
(373 Nm)
1600-2000 lb-ft
(2169-2712 Nm)
45-50 lb-ft
(54-61 Nm)
28-30 lb-ft
(38-41 Nm)
G12-55A 300 lb-ft min
(407 Nm)
1600-2000 lb-ft
(2169-2712 Nm)
45-50 lb-ft
(54-61 Nm)
28-30 lb-ft
(38-41 Nm)
Head Nut Valve (Large) Valve (Small)
250 lb-ft min
(339 Nm)
1898-2305 lb-ft
(1400-1700 Nm)
110 lb-ft (149 Nm) 35 lb-ft (47 Nm)
Head Nut Set Screw
500-600 lb-ft (678-814 Nm) 2400-2600 lb-ft (3254-3525 Nm)
use Loctite
®
271
4-4.5 in-lbs (0.45-0.51 Nm)
use Loctite
®
243
Head Nut
200 lb-ft min (271 Nm) 1125-1375 lb-ft (1525-1864 Nm)
Head Nut Cartridge Cartridge Nut
200 lb-ft
(271 Nm)
1125-1375 lb-ft
(1525-1864 Nm)
22 lb-ft
(30 Nm)
2.5 lb-ft
(3,3 Nm)
Head Nut Valve Mount
hand tight 1100 lb-ft
(1491 Nm)
30-35 lb-ft
(41-47 Nm)