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 KP/KPH and KES electrical connection
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.
Figure 95: 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)
Removing the plug:
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.
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.
86
SAEx 25.1 – SAEx 40.1 / SAREx 25.1 – SAREx 30.1
Servicing and maintenance
ACExC 01.2
