UN41 0796NQ
C
A
B
D
E
α
English language
Use and maintenance
29
MAINTENANCE INFORMATION
7
Nuts and bolts tightening torques chart
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
Safety advice in case of replacements
Worn or damaged components must be replaced
with original spare parts.
Special maintenance operations (non included in
this handbook) require a specialised workshop on
the premises which meets the requirements speci-
fied by the relative laws in force (appropriate equip-
ment suitably trained staff etc.); if you do not have a
compliant workshop, contact an authorised one.
Replacing the drilling cups
NOTICE
To prevent damage to the transplant unit transmis-
sion, use the driving wheel to rotate the dispenser.
Proceed as outlined below.
1) Lift the work vehicle slightly off the ground.
2) Loosen the screw (A).
3) Turn the casing (B).
4) Rotate the dispenser until the cup fastening screws
are visible.
5) Undo the screws (C).
6) Repeat the same operations on the opposite side of
the dispenser.
7) Remove the roll (D).
8) Remove the cup (E).
To fit the new cup, carry out the same operations as for
disassembly but proceeding in reverse order.
To replace any phasing units, carry out the same opera-
tions as described for replacing the drilling cup.
NOTICE
When assembling maintain the position of the roll
and the tilt (α) of the drilling cup holders with respect
to the dispenser rotation direction.
INFORMATION CONCERNING REPLACEMENTS
8
