26 Ferm Ferm 3
grip.
•
Tighten the workpiece to a workbench by using a clamp.
•When all preparations are done the machine can be
connected to mains. First check if the switch is in the
‘OFF’-position and if the rotationswitch is in the
RIGHT-position.
3. OPERATION
1. THE ON/OFF SWITCH
Switch the machine on by pressing the triggerswitch (A).
When you release the triggerswitch (A) the machine will
turn off.
2. SWITCH-LOCK
You can lock the On/Off switch by pressing the triggers-
witch (A) and then pressing knob (B). Release the switch-
lock by pressing the triggerswitch (A) shortly.
3. SPEED-CONTROL
The rotation-speed can be
continuously adjusted be-
tween 0 and 2500 rota-
tions per minute, by pres-
sing the switch (A) deeper
or less deep.
4. ADJUSTING OF THE MAXIMUM ROTA-
TIONSPEED
-
Switch the machine on by pressing triggerswitch (A);
-Lock the triggerswitch (A) by pressing knob (B);
-Adjust the speed by turning the small wheel (C) to the
desired maximum rotation speed.
5. SWITCHING THE DIRECTION OF ROTA-
TION
-Direction of rotation counter-clockwise: shift switch
(D) to “L”;
-Direction of rotation clockwise: shift switch (D) to
“R”.
6. SWITCH FOR PERCUSSION DRILLING
With the switch on top
of the machine you can
select normal or percus-
sion drilling.
-Slide the switch to
the “Drill” symbol
for normal drilling;
-Slide the switch to the “Hammer” symbol for per-
cussion drilling.
4. MAINTENANCE
While maintaining and cleaning the machine
pull the plug from the mainssocket. Never use
water or other agressive liquids while cleaning
electrical parts of the lamp.
-Keep the mains cord of the machine clean, some fluids
contain solvents can dissolve plastic parts of the ma-
chine.
-Keep the ventilation slots of the machine clean to pre-
vent overheating of the motor.
5. MALFUNCTION
Below we have listed a number of possible causes and
corresponding solutions in case the machine does not
function as it should:
1. Excessive sparkling.
This usely indicates dirt in the motor or worndown
carbon brushes.
-Bring your percussion drill to your Ferm-dealer.
2. The percussion drill is overheating.
The ventilationslots are covered with dirt.
-Clean them with a dry cloth.
The percussion drill is overloaded.
-Use the machine for work for which it is ment to be.
-Replace the drill for a sharp one or sharpen the drill by
using a benchgrinder and a Twist drill grinding attach-
ment.
The motor is defect.
-Bring your percussion drill to your Ferm-dealer for re-
pairance.
ClEl
■
DECLARATION OF CONFORMITY (GB)
We declare under our sole responsability that this
product is in conformity with the following
standards or standardized documents
EN50144-2-1, EN50144-1
EN55014-1, EN61000-3-2, EN61000-3-3, EN55014-2
in accordance with the regulations:
98/37/EEC
73/23EEC
89/336/EEC
from 01-06-2000
GENEMUIDEN NL
G.M. Ensing
Quality department
