Care And Maintenance - Hilti ST 2500 Manual De Instrucciones

7.4 Fitting the depth gauge
1. Unplug the supply cord from the electric socket.
2. Insert the tip of a screwdriver in the gap between the
tool and the protective sleeve. Pry the protective sleeve
away from the tool by turning the screwdriver.
3. Pull the protective sleeve off toward the front end of
the tool.
4. Push the depth gauge onto the tool from the front.
7.5 Adjusting the depth gauge
7.5.1 Adjusting the ST 2500 depth gauge
The depth gauge is used when driving screws with seal-
ing washers.
Use a depth gauge suitable for the applicable sealing
washer diameter (accessory).
The depth gauge can be adjusted to ensure correct com-
pression of the sealing washer under the head of the
screw.
To decrease compression of sealing washer
1. 1. Turn the depth gauge to the right (II).
To increase compression of sealing washer
1. Turn the depth gauge to the left. Compression of the
screw seal is increased (± 0.25 mm per click stop)
(III).
7.5.2 Adjusting the SD 2500 depth gauge
By adjusting the depth gauge, the screw head can be
driven flush, countersunk or left projecting (± 0.25 mm
per click stop).
To increase the depth to which the screw is driven
1. Turn the depth gauge to the left.
To decrease the depth to which the screw is driven
1. Turn the depth gauge to the right

8. Care and maintenance

Unplug the supply cord from the mains socket.
8.1 Care of insert tools
Clean off dirt and dust deposits and protect your insert
tools from corrosion by wiping them from time to time
with an oil-soaked rag.
8.2 Care of the electric tool
-CAUTION-
Keep the power tool, especially its grip surfaces, clean
and free from oil and grease. Do not use cleaning agents
which contain silicone.
The outer casing of the tool is made from impactresis-
tant plastic. Sections of the grip are made from a syn-
thetic rubber material. Never operate the tool when the
ventilation slots are blocked. Clean the ventilation slots
carefully using a dry brush. Do not permit foreign objects
to enter the interior of the tool. Clean the outside of the
Printed: 08.07.2013 | Doc-Nr: PUB / 5070743 / 000 / 01
7.6 Removing the depth gauge
1. Pull the depth gauge off the tool toward the front.
7.7 Changing bits
7.7.1 Changing bits with the ST 2500
" hexagon type (for sockets, bit
The chuck is of the 1 /
4
holders, bits, etc.). This size is standardized (DIN 3126/
ISO 1173). The sockets, bit holders and bits are retained
in the chuck by a sliding sleeve mechanism.
1. Pull the depth gauge off the tool toward the front.
2. Pull the sleeve to the rear and hold it in this position.
3. The bit can then be pulled out or a different bit insert-
ed.
4. Release the sleeve and allow it to return to its origi-
nal position.
5. Refit the depth gauge to the tool.
7.7.2 Changing bits with the SD 2500
" hexagon type (for bit holders,
The chuck is of the 1 /
4
bits, etc.). This size is standardized (DIN 3126/ ISO 1173).
The bit holders and bits are retained in the chuck by a
spring mechanism.
1. Pull the depth gauge off the tool toward the front.
2. The bit (long bit, bit holder, bit holder with plastic part)
can then be pulled out or a different bit inserted.
3. Refit the depth gauge to the tool.
7.8 Removing a previously driven screw
1. Pull the depth gauge off the tool toward the front.
2. Bring the forward / reverse pushbutton into the "reverse"
position.
3. The tool can now be used to remove the screw.
tool at regular intervals with a slightly damp cloth. Do not
use a spray, steam pressure cleaning equipment or run-
ning water for cleaning. This may negatively affect the
electrical safety of the tool.
8.3 Maintenance
Check all external parts of the tool for damage at regular
intervals and check that all controls operate faultlessly.
Do not operate the tool if parts are damaged or when the
controls do not function faultlessly. If necessary, your
electric tool should be repaired at a Hilti repair center.
Repairs to the electrical section of the tool may be car-
ried out only by trained electrical specialists
8.4 Checks after care and maintenance
Check that the tool functions correctly (drive and remove
a screw) after carrying out care and maintenance.
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