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56 Ferm
3. BEFORE OPERATING THE
MACHINE
Use only sharp drills of the following types
Fig.B
Concrete/masonry
|
Hard metal
Metal
|
HSS
Wood
|
HSS
MOUNTING ACCESSORIES
Fig.C
Prior to mounting an accessory always unplug the
tool.
Place a drill or accessory before you connect the
machine to mains.
• Open and close the chuck with the chuck key.
• By placing the chuck key in one of the three holes in
the chuck, the chuck can be opened by turning the
chuck key counter clockwise and closed by turning
the chuck key clockwise. Because the chuck has
three clamps the drill will be centered automatically.
• Slide the sidegrip over the drillhead.
• Slide the measuring rod in the sidegrip and tighten
the grip by turning the wingnut clockwise.
• 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.
• Always place the drillhead spanner on top of the
machine in the holder.
4. OPERATION
THE ON/OFF SWITCH
Fig.D
• Switch the machine on by pressing the triggerswitch
(A). When you release the triggerswitch (A) the
machine will turn off.
SWITCH-LOCK
• You can lock the On/Off switch by pressing the
triggerswitch (A) and then pressing knob (B). Release
the switch-lock by pressing the triggerswitch (A)
shortly.
SPEED-CONTROL
• The rotation-speed can be continuously adjusted
between 0 and 2500 rotations per minute, by
pressing the switch (A) deeper or less deep.
ADJUSTING OF THE MAXIMUM
ROTATIONSPEED
• 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.
SWITCHING THE DIRECTION OF
ROTATION
• Direction of rotation counter-clockwise: shift
switch (D) to “L”.
• Direction of rotation clockwise: shift switch (D) to
“R”.
SWITCH FOR PERCUSSION DRILLING
Fig.E
• Slide the switch to the “Drill” symbol for normal
drilling.
• Slide the switch to the “Hammer” symbol for
percussion drilling.
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
attachment.
• The motor is defect.
- Bring your percussion drill to your Ferm-dealer for
repairance.
5. SERVICE & 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.
Cleaning
Regularly clean the machine housing with a soft cloth,
preferably after each use. Keep the ventilation slots 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
The machine requires no additional lubrication.
Faults
Should a fault occur, e.g. after wear of a part, please
contact your local Ferm dealer.
In the back of this manual you find an exploded view
Ferm 5
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