daltile DG4 1/2 Manuel d'utilisation - Page 11

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REPAIR & MAINTENANCE

Always unplug the machine before attempting

any maintenance.

1. Replacement of

grinding disk

Grinding disks should be replaced when worn

to the following values:

- Ø4 1/2" reduced to Ø3".

- Ø5" reduced to Ø3".

2. Inspection of screws

Periodically inspect the screws for safer

operation. Tighten loose screws firmly

to prevent hazardous situations.

3. Inspection of carbon

brushes

Worn carbon brushes may cause motor failure.

Replacement of the carbon brushes is recom-

mended when the brushs have reached their

wear limit. Always keep the brush holders clean

so that the brushes can move freely.

CARBON BRUSH

Use original spare parts only and have the

machine serviced at authorized Service

Centers. Non original parts may lead to damage

to the machine or hazardous situations.

WEAR LIMIT

4. Motor

The rotor and stator in the motor are the core of

the machine. Do not scratch the surface of the

windings in the motor, and never apply oil or

water on it.

5. Keep ventilation

slots clean

Ventilation slots should be kept open and clean

at all times. Clogged slots prevent proper coo-

ling of the motor and will lead to damages.

Penetration of dust into the motor will lead to

machine failure. The motor should be cleaned

after every 50 hrs of operation by blowing com-

pressed air through the ventilation slots while

the machine is running at no load speed.

6. Storage

Store the machine in a dry place and out of

reach of children.

7. Failure and repair

Do not attempt to repair the machine yourself,

this may lead to unrepairable damages or inju-

ries. Repair and maintenance should be perfor-

med by qualified personell only.

DALTILE ANGLE GRINDER OPERATING MANUAL V09/2005R1 PAGE 11