Disconnection From The Mains With Kp/Kph And Kes Electrical Connection; Maintenance - AUMA SAEx 07.2-UW Operation Instructions Manual

SAEx 07.2-UW
Servicing and maintenance
12.2.2.

Disconnection from the mains with KP/KPH and KES electrical connection

Removing the plug:
Fitting the plug/socket
connector:
12.3.

Maintenance

Maintenance intervals
Manual operation
74
SAEx 16.2-UW / SAREx 07.2-UW
12. Fit cover [1] and fasten screws [2] evenly crosswise.
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.
Figure 77: KP/KPH and KES electrical connection
[1] Cover
[2] Screws for housing
[3] O-ring
[4] Plug-in frame (KP/KPH)
[5] Connection frame (KES)
1. Loosen the screws [2].
2. Remove electrical connection.
Cover [1] and plug-in type frame [4] or connection frame [5] remain together.
3. Seal open plug/socket connection, e.g. using AUMA protection cover and
parking frame.
4. Clean sealing faces of plug/socket connector and housing.
5. Preserve joint surfaces with an acid-free corrosion protection agent.
6. Check whether O-ring [3] is in good condition, replace if damaged.
7. Apply a thin film of non-acidic grease (e.g. petroleum jelly) to the O-ring and
insert it correctly.
8. Replace electrical connection and fasten screws evenly crosswise.
In compliance with EN 60079-17, Ex certified products either require repeated testing
at an interval of 3 years or continuous monitoring by trained personnel.
During maintenance, the mechanical parts of the handwheel activation, in particular
motor coupling and retaining spring, must be checked. Replace the parts in case of
visible wear.
SAREx 16.2-UW Control unit: electronic (MWG)
ACExC 01.2 Non-Intrusive Profibus DP