English language
Use and maintenance
29
MAINTENANCE INFORMATION
7
Troubleshooting
Nuts and bolts tightening torques chart
The following list contains a number of common problems that may arise during work, together with the ways to
solve them.
Problem
Likely cause
Solution
The seedling planted is too close
to the surface or too deep
Incorrect planting depth
Make the relative adjustment (see
“Adjusting the planting depth”)
The seedling is not positioned
properly
Adjust the planting unit load (see
“Adjusting the planting unit load”)
The soil has not been properly
compacted on top of the seedlings
The planting unit load is not
appropriate
Adjust the planting unit load (see
“Adjusting the planting unit load”)
The planted seedling is tilted or
lying overturned on the ground
The extension brushes against the
seedlings
Disassemble the extension (see
“Planting procedures”)
Incorrect planting depth
Make the relative adjustment (see
“Adjusting the planting depth”)
The planting unit load is not
appropriate
Adjust the planting unit load (see
“Adjusting the planting unit load”)
The seedling is not correctly held
by the gripper
Place the seedling correctly on
the gripper (see “Planting depth
adjustment”)
Nuts and bolts tightening torques
Thread
diameter
Thread
pitch (mm)
Resistance class
8.8 (Nm)
Resistance class
10.9 (Nm)
Resistance class
12.9 (Nm)
M 4
0,7
2.7
3.8
4.6
M 5
0,8
5.5
8.0
9.5
M 6
1
9.5
13.0
16.0
M 8
1,25
23.0
32.0
39.0
M 10
1,5
46.0
64.0
77.0
M 12
1,75
80.0
110.0
135.0
M 14
2
125.0
180.0
215.0
M 16
2
195.0
275.0
330.0
M 18
2,5
270.0
390.0
455.0
M 20
2,5
385.0
540.0
650.0
M 22
2,5
510.0
720.0
870.0
M 24
3
660.0
930.0
1100.0
M 27
3
980.0
1400.0
1650.0
