Endress ESE Series, Translation Of The Operating Instructions, Page: 109 / 452

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Maintenance
Fig. 9-7 Remove spark plug
Remove spark plug 1. Loosen the four screws on the maintenance flap Fig. 6-3 and remove the
maintenance flap.
2. Pull the spark plug connector Fig. 9-7 - of the spark plug. To do this always
pull directly on the plug, never on the ignition cable!
3. Place the spark plug wrench on the spark plug Fig. 9-7 - and loosen this
by turning anti-clockwise.
The spark plug is removed and must now be assessed.
Fig. 9-8 Checking the spark plug
Checking the spark
plug 1. Check the spark plug for damage and clean it using a suitable brush, if it can
be used again.
2. Check the condition and gap of the electrodes, also when using a new spark
plug. Adjust the gap to the correct value if necessary (see Fig.Fig. 9-8 ).
The spark plug is ready to be installed.
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