•Tighten the grip firmly.
CHANGING AND REMOVING DRILL BITS
Fig.B
Before changing drill bits check that the mains plug
has been removed from the socket.
Check drill bits regularly
Blunt drill bits should be re-sharpened or replaced
•Lightly lubricate the shaft of the drill bit before
inserting into the machine.
•Place the shaft of the drill bit into the opening of the
drill chuck and twist until latched.
•To release and remove the drill bit pull back the
collar of drill chuck .
ADJUSTING DEPTH STOP
•Loosen the manual side grip.
•Place the straight part of the depth stop through the
hole in the grip.
•Adjust the stop to the desired bit depth.
•Tighten the grip firmly.
INSTALLING DUST CATCHER
Fig.C
The dust catcher prevents large amounts of drilling dust
entering the machine when drilling into ceilings.
•Remove the drill bit.
•Slide the dust catcher over the shaft of the drill bit.
•Place the drill bit with catcher in the drill chuck.
•Always replace a damaged dust catcher immediately.
MODE SELECTOR SWITCH
Fig.D
The correct switch lever positions required for each
drilling mode are indicated in the diagram at page 2.
D1 =Hammerdrilling .
D2 = Drilling.
D3 = Chiseling.
SWITCHING ON AND OFF
To start drill: depress ON/OFF switch.
To stop drill: release ON/OFF switch.
DRILL WITH DRILL CHUCK ADAPTER
Fig.E
When drilling steel, wood and plastic, it is advisable to
use the ring gear chuck and the drill chuck adapter.
TROUBLESHOOTING
1. Motor does not rotate upon switching on
power supply
•Power supply breakage.
Inspect power supply.
•Poor switch contact.
Repair or replace ON/OFF switch.
•Mains voltage too low.
Extension cord too long/ too thin.
•Motor damaged.
Repair your machine by an expert.
•Worn out brushes.
Replace carbon brushes.
2. Motor generates abnormal noise and rotates
slowly or not at all
•Motor overloaded due to excessive pressure or
drilling depth.
Reduce pressure or drilling depth, decrease force.
•Motor damaged.
Repair your machine by an expert.
•Main power supply voltage too low.
Adjust main power supply voltage.
•Worn out brushes.
Replace carbon brushes.
3. Overheating of gearbox surface
•Overloading or blunt drill bit.
Reduce load or sharpen drill bit.
•Decreased voltage.
Adjust main power supply voltage.
4. Heavy sparking of the motor
•Check if carbon brushes are not worn out.
MAINTENANCE
Make sure that the machine is not live when
carrying out maintenance work on the motor.
The Ferm machines have been designed to operate over
a long period of time with a minimum of maintenance.
Continuous satisfactory operation depends upon
proper machine care and regular cleaning.
REPLACING CARBON BRUSHES
•To check or replace the carbon brush loosen the cap
with a screwdriver.
•Remove the carbon brush and replace if necessary.
•Tighten the carbon brush cap.
•Change both carbon brushes simultaneously.
•Check regularly for wear and tear.
•Always change well worn carbon brushes.
•Always keep carbon brushes clean and free of
hindrance.
DEFECTS
The machine should be checked regularly for any of the
following obvious defects and repairs carried out as
necessary.
•Cable damage.
•Switch malfunction.
•Short circuits.
•Damage to moving parts.
Cleaning
The machine housing and drill bit chuck should be
cleaned regularly, preferably after each use. The
ventilation slots should be kept free from dust and dirt.
If the dirt does not come off use a soft cloth moistened
with soapy water. Never use solvents such as petrol,
alcohol, ammonia water, etc. These solvents may
damage the plastic parts.
Lubrication
Have your local Ferm dealer top up the lubrication
grease.
4Ferm
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:
EN50144-1, EN50144-2-6
EN50155-2-6,
EN55014-1, EN55014-2,
EN61000-3-2, EN61000-3-3
:
98/37/EEC
73/23/EEC
89/336/EEC
01-09-2004
ZWOLLE NL
W. Kamphof
Quality department
CE
ı
(GR)
Ferm 49
