
VERS.2015.04.21 CDR 252_MAN_EN
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6 MAINTENANCE AND SERVICING
To ensure a long-term quality from the cutting with the CDR 252, please follow the
maintenance plan below:
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Whole machine
Visual control (general aspect,
watertightness)
Clean
Motor cooling fans
Blow the dirt and dust
Switch, cables and extension cables
Inspect
Water hoses and nozzles
Clean
Motor housing
Clean
Reachable nuts and screws
Tighten up
Service the machine only while it is switched off and isolated from the electrical supply.
Cleaning the CDR 252
After work, blow dirt and dust out of all air vents with dry air. Wear protective goggles and
mask for this operation.
Switch, cables and extension cables
Check visually that switch, cables and extension cables are not damaged. If so, get them
replaced by a qualified electrician.
Inspection and control
Return your core drilling motor for service to your nearest Service Center at least every 200
hours of work. At this occasion, ask for the renewal of your carbon brushes.