jcb JS70 - Page 250

77-4
Section E Hydraulics
9803/6020
Section E
77 - 4
Issue 1
Torque Specifications
Nm kgf m lbf ft Part No. Remarks
End Cap 490 ± 110 49.98 ± 11.2 361.4 ± 81.13 12 M90 x 2
Grub Screw 16.2 ± 3.04 1.65 ± 0.31 11.9 ± 2.24 21 M8 x 1.25
Piston Nut 1520 155 1121 20 M39x2
Bucket Ram
Nm kgf m lbf ft Part No. Remarks
End Cap 647 ± 148 66 ± 15 477 ± 109 12 M105 x 2
Grub Screw 31.5 ± 5.88 3.2 ± 0.6 23.2 ± 4.3 22 M10 x 1.5
Piston Nut 1980 202 1460.39 21 M45 x 2
Boom Ram
Nm kgf m lbf ft Part No. Remarks
End Cap 569±129 58 ± 15 420 ± 95 12 M100 x 2
Grub Screw 31.5 ± 5.88 3.2 ± 0.6 23.2 ± 4.3 22 M10 x 1.5
Piston Nut 1900 194 1401 21 M42 x 2
Dipper Ram
Nm kgf m lbf ft Part No. Remarks
End Cap 647 ± 148 66 ± 15 477 ± 109 3 M105 x 2
Grub Screw 31.5 ± 5.88 3.2 ± 0.6 23.2 ± 4.3 18 M10 x 1.5
Piston Nut 1400 143 1033 14 M45 x 2
Offset Boom Ram
Nm kgf m lbf ft Part No. Remarks
End Cap 382 ± 87 39 ± 8.9 281 ± 64 4 M75 x 2
Grub Screw 16.2 ± 3.04 1.65 ± 0.31 11.9 ± 2.24 20 M8 x 1.25
Piston Nut 637 65 470 3 M33 x 2
Blade Ram