12.2.2.
Disconnection from the mains with KT/KM electrical connection
Figure 96: KT/KM electrical connection
[1]
Cover
[2]
Screws for cover
[3]
O-ring
[4]
Screws (with gaskets) within connection frame
[5]
Connection frame
[6]
Grub screws within connection frame
Ignition of potentially explosive atmospheres caused by sparks.
Risk of death or serious injury.
→
Before opening the flameproof enclosure, ensure absence of gas and voltage.
→
Handle cover and housing parts with care.
→
Joint surfaces must not be damaged or soiled in any way.
→
Do not jam cover during fitting.
Removing the plug:
1.
Loosen the screws [2].
2.
Remove cover [1].
3.
For versions with terminal compartment in type of protection Ex d (flameproof
enclosure): Remove grub screws [6] inside the connection frame.
4.
Loosen screws [4] inside the connection frame.
5.
Remove electrical connection.
Fitting the plug/socket
connector:
6.
Clean sealing faces of plug/socket connector, cover and housing.
7.
Preserve joint surfaces with an acid-free corrosion protection agent.
8.
Check whether O-rings [3] are in good condition, replace if damaged.
9.
Apply a thin film of non-acidic grease (e.g. petroleum jelly) to the O-rings and
insert them correctly.
10. Fit electrical connection (connection frame) and fasten screws [4] (with gaskets)
evenly crosswise.
11. For versions with terminal compartment in Ex d (flameproof enclosure): Fasten
grub screws [6] (tightening torque approx. 10 Nm).
Information: The flameproof enclosure is only guaranteed provided the grub
screws are fastened [6].
87
SAEx 25.1 – SAEx 40.1 / SAREx 25.1 – SAREx 30.1
ACExC 01.2
Servicing and maintenance
