Disconnection From The Mains With Kt/Km Electrical Connection - AUMA SAEx 07.2-UW Operation Instructions Manual

SAEx 07.2-UW SAEx 16.2-UW / SAREx 07.2-UW
ACExC 01.2 Non-Intrusive Profibus DP
12.2.1.

Disconnection from the mains with KT/KM electrical connection

Removing the plug:
Fitting the plug/socket
connector:
Figure 76: 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.
Flameproof joints must neither be damaged nor soiled in any way.
Do not jam cover during fitting.
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.
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 type of protection 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].
SAREx 16.2-UW Control unit: electronic (MWG)
Servicing and maintenance
73