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NOTICE
Cleaning with a high-pressure cleaning appliance
Water can penetrate into the geared motor. Seals can become damaged.
Do not use a high-pressure cleaning appliance to clean the geared motor.
Do not use tools with sharp edges.
Switch off the power supply to the drive unit before cleaning it.
8.10
Checking tightness of fastening bolts
Note
Replace damaged headless bolts with new bolts of the same type and strength class.
Switch off the power supply to the drive unit. Check all fastening bolts for tightness using a
torque wrench.
The general tolerance for the tightening torque is 10%. The tightening torque is based on a
friction coefficient of μ = 0.14.
Table 8- 11
Thread size
M4
M5
M6
M8
M10
M12
M16
M20
M24
M30
M36
BA 2030
Operating Instructions, 02/2021, A5E37880173A/RS-AM
Gearbox and geared motor in an ATEX design
Loose parts can cause sparks through impact.
Entry of foreign bodies can cause sparks.
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
Service and maintenance
8.10 Checking tightness of fastening bolts
10.9
Nm
4
9
15
35
70
120
295
580
1 000
2 000
3 600
12.9
Nm
5
10
18
41
85
145
355
690
1 200
2 400
4 200
99
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