jcb JS300 Service Manual page 38

'Torque Stop' Hose System
`Torque Stop' Hoses 3-B screwed into adaptors 3-A seal
onto an 'O' ring 3-C which is compressed into a 45° seat
machined in the face of the adaptor port. To prevent the 'O'
ring being damages as a result of over tightening, 'Torque
BSP Hose Size
1-33
Table 12. BSP `Torque Stop' Hose - Torque Settings
Hexagon (A/F)
in. mm
1/8 14.0
1/4 19.0
3/8 22.0
1/2 27.0
5/8 30.0
3/4 32.0
1 38.0
1 1/4 50.0
1 1/2 55.0
1-07-00 Issue 01
Section 1 - General Information
Fig 3.
Stop' Hoses have an additional shoulder 3-D, which acts
as a physical stop.
Note: Minimum dimension 3-E fixed by shoulder 3-D.
Nm kgf m
14.0 1.4
27.0 2.7
40.0 4.1
55.0 5.6
65.0 6.6
95.0 9.7
120.0 12.2
189.0 19.3
244.0 24.9
Torque Settings
Hydraulic Connections
lbf ft
10.0
20.0
30.0
40.0
48.0
70.0
89.0
140.0
180.0
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