92
Maintenance
Torqu e for screw
connections
All other screw connections are to be tightened according to the table
below. On this implement screws with a minimum quality of “8.8” (rea d
off the screw head) are used.
* V alues in brackets: W rench size for locking screws and nuts with too-
thed fl ange.
N
OTE
•
The values listed apply to dry or lightly lubricated connections.
•
Gal vanised screws and nuts must not be used without grease.
•
When using stif f grease, the rel evant values must be reduced by
10%.
•
Wh en using locking screws or lock nuts, the v alue in the table must
be increased by 10%.
•
The torque value of the wheel nuts is 290 Nm.
Thread Torque value Spanner
size*
8.8 10.9 12.9
Nm mm
M3 1.3 1.8 2.1 6
M4 2.9 4.1 1.9 7
M5 5.7 8.1 9.7 8
M6 9.9 14 17 10
M8 24 34 41 13
M10 48 68 81 17 (15)*
M12 85 120 145 19 (17)*
M14 135 190 225 22 (19)*
M16 210 290 350 24 (22)*
M18 290 400 480 27
M20 400 570 680 30
M22 550 770 920 32
M24 700 980 1180 36
M27 1040 1460 1750 41
M30 1410 1980 2350 46
M33 1910 2700 3200 50
M36 2450 2546 3063 55
M39 3200 4500 5400 60
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