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.
Placing and removing bits
In addition to bits the machine can also hold screw bits
with a hexagonal shaft.
• Loosen the chuck by rotating the handgrip (A).
• Insert the drill/bit into the chuck.
• Tighten the chuck so that the drill/bit is firmly
clamped.
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
With the switch on top of the machine you can select
normal or percussion drilling.
• 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.
Ferm
5
18. ! !.-# ! 9!
" . "
. *
.
19. 2- 2 %. %.! '=.
= 2#
%
, !
!
. "
! ,
, ! ,
, ! ! !
. D!
!
,
. " !
. *
.
20.) %!!
.
21.*2! % !.9 . . !
"
)
.
,
.
22..2! !.!.9 ?9# # !"#
D!
!
, ##!
.
) *)+ + ,+ +
,*,*+
•
$ :
%
% $
.
•
* #
. "
1.5
mm
2
!
.
•
( , !
.
•
"
.
•
%
, .
** + ,+ +
,*,*+:
•
%
#
! “OFF”.
•
"
.
•
;
.
•
% .
/ + ,*,* *, +
$+* )):
•
C# !
' ! .
•
+ , !
.
•
G .
•
D
.
*5*$* ** $+
,*+
,
,
. !
,
"
.
# $ $ $!
! $
$ $.
& ,
%!50144. %,
$ .
* '!! 9 3 #
)'
.
!
.
9! %'!
"
,
. !
1.5 mm
2
. 7
, .
72
Ferm
