Service and maintenance
8.10 Checking tightness of fastening bolts
BA 2030
Operating Instructions, 02/2021, A5E37880173A/RS-AM
99
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
Gearbox and geared motor in an ATEX design
Loose parts can cause sparks through impact.
Entry of foreign bodies can cause sparks.
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 Tightening torques for fixing screws
Thread size
Tightening torque for property class
8.8
10.9
12.9
Nm
Nm
Nm
M4
3
4
5
M5
6
9
10
M6
10
15
18
M8
25
35
41
M10
50
70
85
M12
90
120
145
M16
210
295
355
M20
450
580
690
M24
750
1 000
1 200
M30
1 500
2 000
2 400
M36
2 500
3 600
4 200
Summary of Contents for SIMOGEAR BA 2030
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Page 68: ...Operation BA 2030 66 Operating Instructions 02 2021 A5E37880173A RS AM ...
Page 72: ...Faults causes and remedies BA 2030 70 Operating Instructions 02 2021 A5E37880173A RS AM ...
Page 104: ...Disposal BA 2030 102 Operating Instructions 02 2021 A5E37880173A RS AM ...
Page 206: ...Your suggestions BA 2030 204 Operating Instructions 02 2021 A5E37880173A RS AM ...
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