JLG G12-55A Service Manual - Manual (Page 140)

Hydraulic System
8-24 G10-55A, G12-55A
8.8.5 Cylinder Torque Specifications
a. Lift/Lower Cylinder
b. Extend/Retract Cylinder
Head Nut CB Valve CB Cap Screw
G10-55A - Before S/N 0160033659
excluding 0160033452
550-600 lb-ft
(745-813 Nm)
2125-2175 lb-ft
(2881-2949 Nm)
45-50 lb-ft
(54-61 Nm)
28-30 lb-ft
(38-41 Nm)
G10-55A - S/N 0160033659 thru
0160035822 including 0160033452
1600-2000 lb-ft
(2169-2711 Nm)
30-35 lb-ft
(40-47 Nm)
24-27 lb-ft
(32-36 Nm)
G10-55A - S/N 0160035822 & After
755-923 lb-ft
(1024-1251 Nm)
1600-2000 lb-ft
(2169-2711 Nm)
30-35 lb-ft
(40-47 Nm)
24-27 lb-ft
(32-36 Nm)
G12-55A - Before S/N 0160033659
excluding 0160033452
550-600 lb-ft
(745-813 Nm)
2850-2900 lb-ft
(3864-3932 Nm)
45-50 lb-ft
(54-61 Nm)
28-30 lb-ft
(38-41 Nm)
G12-55A - S/N 0160033659 thru
0160035879 including 0160033452
1600-2000 lb-ft
(2169-2711 Nm)
45-50 lb-ft
(54-61 Nm)
24-27 lb-ft
(32-36 Nm)
G12-55A - S/N 0160035879 & After
755-923 lb-ft
(1024-1251 Nm)
1600-2000 lb-ft
(2169-2711 Nm)
45-50 lb-ft
(54-61 Nm)
24-27 lb-ft
(32-36 Nm)
Head Nut
CB Valve
(Large)
CB Valve
(Small)
G10-55A - Before S/N 0160033661
500-550 lb-ft
(678-745 Nm)
1325-1375 lb-ft
(1796-1864 Nm)
110 lb-ft
(149 Nm)
35 lb-ft
(47 Nm)
G10-55A - S/N 0160033661 thru
0160035822
1400-1700 lb-ft
(1796-1864 Nm)
110 lb-ft
(149 Nm)
33 lb-ft
(44 Nm)
G10-55A - S/N 0160035822 & After
1400-1700 lb-ft
(1796-1864 Nm)
110 lb-ft
(149 Nm)
33 lb-ft
(44 Nm)
G12-55A - Before S/N 0160033659
excluding 0160033452
500-550 lb-ft
(678-745 Nm)
1325-1375 lb-ft
(1796-1864 Nm)
110 lb-ft (149
Nm)
35 lb-ft (47
Nm)
G12-55A - S/N 0160033659 thru
0160035879 including 0160033452
1400-1700 lb-ft
(1796-1864 Nm)
110 lb-ft
(149 Nm)
33 lb-ft
(44 Nm)
G12-55A - S/N 0160035879 & After
1400-1700 lb-ft
(1796-1864 Nm)
110 lb-ft
(149 Nm)
33 lb-ft
(44 Nm)