Maintenance; Maintenance Intervals - Ingun SB-T series Betriebsanleitung

English
7)

Maintenance

WARNING D
EADLY ELECTRICAL SHOCK
Dangerous electrical voltage at the test probe for >25 VAC and >60 VDC!
Before servicing disconnect all affected devices from the power supply and secure, e.g.

with a shield against unauthorised reconnection!
7.1)

Maintenance intervals

Annual
 Check interface blocks for wear. Check all moving parts for play, wear or other abnormalities.
Replace defective parts.
 Check protective conductor wiring (visual check of the protective conductor wiring; if necessary
replace damaged wiring.
 Measure protective conductor resistance (limit value: 0.3 ).
7.2) Check and replace test probes
The spring-loaded test probes are subject to very different loads. A reliable signal transmission is
only possible with fully functional test probes. Conditions for reliable contact are:
 no contamination on the contact head
 no excessive wear of the tips on the contact head
 no drag marks on the plunger of the test probe
 no abrasion dust below the test probe
 tight fit of the test probe in the receptacle
 no height differences between test probes of the same type
 no bending of the test probe
 correct position of the respective test probe types.
The spring-loaded test probes can be removed and installed quickly and without additional wiring
thanks to the receptacles. Specialised insertion and extract tools are available from INGUN to ex -
change test probes.
For the exchange of defective receptacles, appropriate extraction tools can also be obtained from
INGUN. The tool cuts into the wall of the used receptacle when screwed in. Using the spring-load -
©
INGUN, mistakes and technical changes reserved
!
Insertion and extraction tools for contact probes
18