Maintenance; Maintenance Intervals - Ingun SB-SI-170-4A Serie Manual Del Usuario

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7)

Maintenance

WARNING L
ETHAL ELECTRICAL SHOCK
Hazardous electrical voltage at the test probe for >25 VAC and >60 VDC!
Before servicing, disconnect all affected devices from the power supply and secure area,

e.g. with a sign warning 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 W).
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 plunger tip
 no excessive wear of the points of the plunger tip
 no scratches on the test probe's plunger shaft
 no metal chips, particles, or other contamination on the probe plate between the probes
 test probe is installed securely 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 without the need additional
wiring thanks to the receptacles. Specialised insertion and extract tools are available from INGUN
to replace test probes.
Appropriate extraction tools are also available from INGUN to replace defective receptacles. The
tool cuts into the wall of the used receptacle when screwed in. Using the spring-loaded weight, the
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INGUN, errors and technical changes reserved
!
Insertion and extraction tools for test probes
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