Holder C-Trac C 9700 - Manual (Page 154)

Operating Instructions
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C 9700 ... C 9.88 H
General Remarks on Maintenance
Work on the Electrical Equipment
Before performing any services on the electrical equipment,
switch off power with the battery isolating switch (1).
- The switch must be horizontal, the toggle removed.
1
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2
CAUTION
Disconnect the battery ground lead (2).
Do not place any metal parts on the battery terminals. Risk
of short circuit!