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Mounting
6.4 Installation conditions for the motor
6.3
Thread sizes and tightening torques for fastening bolts
The general tolerance for the tightening torque is 10%. The tightening torque is based on a
friction coefficient of μ = 0.14.
Table 6-1
Thread size
M4
M5
M6
M8
M10
M12
M16
M20
M24
M30
M36
6.4
Installation conditions for the motor
NOTICE
Danger of overheating due to insufficient cooling
Protect intake and outlet ports against blockages and coarse dust.
The cooling air must flow unimpeded into the air inlets and flow out through the air outlets.
Exhaust air should not be drawn back in again.
Figure 6-1
The permissible coolant temperature (ambient temperature at installation location) is ‑20°
C to +40° C as standard for an installation altitude of up to 1 000 m above sea level. Deviating
data are specified on the rating plate.
68
Tightening torques for fixing screws
Tightening torque for property class
8.8
Nm
3
6
10
25
50
90
210
450
750
1 500
2 500
Installation conditions for the motor
10.9
Nm
4
9
15
35
70
120
295
580
1 000
2 000
3 600
Motors for mounting onto SIMOGEAR gearboxes
Operating Instructions, 01/2024, A5E53220841A/RS-AA
12.9
Nm
5
10
18
41
85
145
355
690
1 200
2 400
4 200
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