12.2.
Disconnection from the mains
If the device must be dismantled, e.g. for service purposes, it can be isolated from
the mains without having to remove the wiring at the electrical connection.
12.2.1.
Disconnection from the mains with KES electrical connection
Flameproof enclosure, danger of explosion!
Risk of death or serious injury.
→
Before opening, ensure that there is no explosive gas and no 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.
Figure 53: KES electrical connection
[1]
Cover
[2]
Screws for housing
[3]
O-ring
[4]
Connection frame (KES)
Removing the plug:
1.
Loosen the screws [2].
2.
Remove electrical connection.
➥
For electrical connections of KES type, cover [1] and connection frame [4] remain
assembled.
3.
Seal open plug & socket connection, e.g. using AUMA protection cover and
parking frame.
Fitting the plug & socket
connector:
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.
58
SAEx 25.1 – SAEx 35.1 / SAREx 25.1 – SAREx 30.1
Servicing and maintenance
NORM (without controls)
