Maintenance
WARNING: Always ensure that the
tool is switched off and unplugged before
attempting to perform inspection or mainte-
nance.
GENERAL INSPECTION
Regularly inspect all fasteners and ensure they
are properly tightened. Should any of the screws
be loose, retighten it immediately to avoid haz-
ards.
If the replacement of the supply cord is neces-
sary, this has to be done by the manufacturer or
his agent in order to avoid a safety hazard.
CLEANING
For safe operation always keep the machine
and its ventilation slots clean.
Regularly check to see if any dust or foreign
matter has entered the ventilation slots and the
grills around the switches. Use a soft brush and/
or air jet to remove any accumulated dust. Wear
safety glasses to protect your eyes whilst clean-
ing.
Exterior plastic parts may be cleaned with a
damp cloth and mild detergent if necessary.
WARNING: Never use alcohol, petrol
or other cleaning agent. Never use caustic
agents to clean plastic parts.
WARNING: Water must never come
into contact with the tool.
IMPORTANT! To assure product safety and re-
liability, repairs, maintenance and adjustment
(including brush inspection and replacement)
should be performed by certified service centres
or other qualified service organisations, always
using genuine replacement parts.
BUILT-IN DUST PROTECTION
The protective ring 1 preserves the tool socket
from dirt during operation. While inserting the
tool, take care that you do not damage the pro-
tective ring.
20
EN
WARNING: Replace a damaged pro-
tective ring immediately!
To replace the protective ring 1, pull back the
locking socket 2. Grasp the protective ring and
pull it strongly slantwise forward. Place a new
protective ring onto the spindle and press it
hard.
INDICATION "SERVICE MAINTE-
NANCE"
When the red light-emitting diode 10 begins to
blink while the machine operates normally, re-
placement of the brushes is needed. After ap-
proximately 8h operation, the brushes are worn
out completely and the safety switch actuates.
The machine halts and the red light-emitting di-
ode keeps blinking. Deliver the machine to an
authorised service for repla cement of brushes
and preventive main tenance.
If the machine does not operate before the
warning period of 8 hours is over, and the red
light-emitting diode 10 blinks, that probably
means the motor is damaged. In case there is
no light indication and the machine does not op-
erate, that means there is no power supply to
the machine or that the automatic switch or the
cord are faulty.
PREVENTIVE MAITENANCE
This power tool shall be submitted periodically
to REDSTONE authorised service centre for
preventive maintenance. Preventive checks will
boost the life of your power tool.
First check - after approximately 70 h ope-
ration.
The functioning of the machine shall be evalu-
ated and if necessary the machine shall be
checked.
Second check - after approximately 140 h
operation or upon the event of brushes wearing
out.
The machine shall be cleaned thoroughly and
checked. Ascertained or potential faults shall be
eliminated (brushes and O-ring sealings shall be
replaced).
Third check - after approximately 250 h oper-
ation or upon the event of brushes wearing out.
The machine shall be cleaned thoroughly and
checked. Ascertained or potential faults shall be
RS 1400-60 CE