Bartec Varnost 5KTC 250, Manual

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IMPORTANT:
Repaire according of flameproof gaps and joints according to table 2 of EN 60079-1: 2007 is not allowed!
Please conntact producer!
Special attention should be paid that no damaged has occured during disassembly on flameproof gaps and joints.
Before assembly of electromotor all flameproof gaps and joints needs to be cleaned and greased with grease type
FOR PD-2 (Sestral MI PD LL/2A) or Renolit RHF-1 Fuchs.
If it becomes clear during repairs that the »explosion-proof enclosure« no longer corresponds to the requirements
on the explosion protection and specified in the certification, all markings for explosion protection must be
removed from this motor.
SCREW TIGHTENING TORQUE
Table 4: Tightening torque: Ex enclosure. Tightening torques for screws of the strength class 8.8 and A4-70.
Thread Tightening torque
(Nm)
Thread Tightening torque
(Nm)
M4 2.3 M12 66
M5 4.6 M14 105
M6 7.9 M16 160
M8 19 M20 330
M10 38 M24 560
Table 5.: Tightening torque: for electrical connections
Thread Tightening torque
(Nm)
Thread Tightening torque
(Nm)
M4 1.2 M10 10
M5 2 M12 15.5
M6 3 M16 30
M8 6 M20 52