Before Use; Operation - Hilti SF 4000 Bedienungsanleitung

Before use

Read and observe the safety precautions in
these operating instructions without fail.
Make sure theat the electric supply voltage corre-
sponds to the data on the rating / name plate.
Only use extension cables approved for the range
of application. Always replace damaged extension cables.
Use only insert tools with a standardised
connection.

Operation

On-off switch with electronic speed control
The speed can be infinitely increased up to max r.p.m.
by slowly squeezing the switch.
Push-type reversing switch
The direction of rotation of the tool spindle can be select-
ed with the reversing switch
switching when the tool is running.
Push switch to right = counter-clockwise rotation
Push switch to left = clockwise rotation
Lockbutton for sustained operation
The lockbutton for sustained operation switches on the
tool which runs continuously with the optimal speed
and cooling.
– Switching on sustained operation: Depress the on-
off switch and press in the lockbutton
release both .
– Switching off sustained operation: Briefly squeeze the
on-off switch . The lockbutton for sustained oper-
ation then releases itself.
Depth gauge for adjusting screw penetration
The screw can be driven flush with the work surface,
countersunk or given stand-off by adjusting the depth
gauge. Per graduation / increment, the adjustment is ±
0.25 mm .
– Turn depth gauge to left = screw driven deeper I.
– Turn depth gauge to right = screw driven less deep II.
Tool-accessory interface
Pulling on the depth gauge
nection with the tool . The spindle is freed for removal
of a driven screw in counter-clockwise rotation
for a change of bit or bit holder
of the SMI 55 magazine
Take care when attaching the depth gauge.
Changing a bit
Pull the depth gauge
14
Printed: 07.07.2013 | Doc-Nr: PUB / 5070678 / 000 / 00
" hexagon
1 /
4
. It is locked to avoid
. Then,
releases the click con-
or for attachment
II. or for redriving a screw.
away from the interface
insert a worn bit into the opening provided in the depth
gauge , lock or angulate and pull the bit upwards (bot-
tle opener principle).
Changing a bit holder
The chuck has a standardised
insert tools (bit, bit holder, magazine bit). Pull on the
depth gauge to release the click connection from the
tool . The bit holder is freed and can be changed. Grip
the bit holder on the plastic section, while pulling it for-
ward and pressing away from the gear housing
bit holder releases itself from the chuck
SF4000 only the bit holder S-BHP75M.
Cooling air guidance
Air required to cool the motor is drawn in through the
air slots and vented in a controlled direction through
the air exit .
Scaffolding hook
Using this hook, the tool can be kept in various places
for the time being. On opening the clamping lever
the scaffolding hook can be turned through 360°
and locked again at the desired new position by closing
the clamping lever
it can be removed completely
lever I., slide the hook down II., press out the clamp-
ing lever III. and away from the supply cord IV.. Only
I.
use the scaffolding hook as long as necessary. Put the
II.
tool in a safe place when leaving the jobsite /workplace.
Supply cord
By coiling the supply cord over the scaffolding hook
cord breakage at the protective sleeve can be reduced
.
I. or
,
" hexagon socket for
1 /
4
. Use with the
I. + II. If the hook is not needed,
.Open the clamping
. The
,
III.
,