Hilti SF 2-A Manual De Instrucciones página 19

7.3 Switching on / off
Speed of rotation can be increased smoothly up to maximum speed by
pressing the control switch slowly.
7.4 Changing sockets
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CAUTION
Wear protective gloves when changing insert tools as the insert tools
get hot during use.
Check that the connection end of the insert tool is clean.
connection end if necessary.
7.4.1 Changing bits with the SF 2-A
NOTE
The power tool is equipped with a keyless chuck that accepts various
accessories such as drill bits, screwdriving bits and bit holders.
7.4.1.1 Fitting the insert tool
1. Set the forward / reverse switch to the middle position or remove the
battery from the power tool.
2. Open the keyless chuck.
3. Insert the drill bit in the chuck and then turn the keyless chuck sleeve
until tight.
4. Check that the drill bit is held securely.
7.4.1.2 Removing the tool
1. Set the forward / reverse switch to the middle position or remove the
battery from the power tool.
2. Open the keyless chuck.
3. Pull the insert tool out of the chuck.
7.4.2 Changing bits with the SFD 2-A
NOTE
The power tool is equipped with a ¹/₄" hex. socket with locking sleeve
that accepts various accessories such as drill bits, screwdriving bits and bit
holders.
7.4.2.1 Fitting the insert tool
1. Set the forward / reverse switch to the middle position or remove the
battery from the power tool.
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Printed: 24.03.2014 | Doc-Nr: PUB / 5174907 / 000 / 00
6
Clean the