52
Maintenance and care
Tighten bolts and
nuts
Retighten all bolts and nuts on the plough.
•
After the first few hours of use
•
When necessary
•
Yearly/after 200 ha
General
For most bolts and nuts the following table applies.
Tightening torque
of the hydraulic
connections
Bolt di
-
am.
Tightening torque
10.9 Bolts
12.9 Bolts
kpm
Nm
kpm
Nm
M12
11.5 - 12.5
113 - 122.5
14 - 15
137 - 147
M14
18.5 - 20
181.5 - 196
22 - 24
216 - 235.5
M16
28.5 - 31
279.5 - 304
34 - 37.5
333.5 - 368
M20
55.5 - 61
544.5 - 598.5
65.5 - 73
652 - 716
M24
95 - 105
932 - 1030
115.5 - 127
1133 - 1246
Thread dimension
Torque Nm
BSP R 1/4
With sealing ring
43-48 Nm
BSP R 3/8
With sealing ring
65-75 Nm
BSP R 3/8
Swivel
35-40 Nm
BSP R 1/2
With sealing ring
80-90 Nm
BSP R 1/2
Swivel
57-63 Nm
BSP R 3/4
With sealing ring
160-180 Nm
M18X1.5
D 12 pipe
40-45 Nm
*
M22X1.5
D 15 pipe
65-75 Nm
*
* If the cone is not compressed, the nut must be tightened in accordance with special
guidelines