1 609 929 M43 | (15.11.07) Bosch Power Tools
10 | English
Changing the Tool
f Before any work on the power tool itself,
pull the mains plug.
Keyless Chuck (see figure B)
Hold the rear sleeve 3 of the keyless chuck 1
tightly and turn the front sleeve 2 in rotation di-
rection n, until the tool can be inserted. Insert
the tool.
Hold the rear sleeve 3 of the keyless chuck 1 tight
and firmly turn the front sleeve 2 in rotation di-
rection o by hand until the locking action is no
longer heard. This automatically locks the drill
chuck.
The locking is released again to remove the tool
when the front sleeve 2 is turned in the opposite
direction.
Key-type Drill Chuck (see figure C)
f Wear protective gloves when changing the
tool. The drill chuck can become very hot dur-
ing longer work periods.
Open the key-type drill chuck 14 by turning until
the tool can be inserted. Insert the tool.
Insert the chuck key 13 into the corresponding
holes of the key-type drill chuck 14 and clamp the
tool uniformly.
Screwdriver Tools (see figure D)
When working with screwdriver bits 16, a univer-
sal bit holder 15 should always be used. Use only
screwdriver bits that fit the screw head.
For driving screws, always position the “Drill-
ing/Impact Drilling” selector switch 4 to the
“Drilling” symbol.
Replacing the Drill Chuck
f Before any work on the power tool itself,
pull the mains plug.
Removing the Drill Chuck (see figure E)
To dismount the keyless chuck 1, clamp a hex key
17 into the keyless chuck 1 and position an open-
end wrench 18 (size 12 mm) against the wrench
flats of the drive spindle. Place the machine on a
firm support, e.g., a workbench. Hold the open-
end wrench 18 firmly and loosen the keyless
chuck 1 by turning the hex key 17 in rotation di-
rection n. Loosen a tight seated keyless chuck by
giving the long end of the hex key 17 a blow. Re-
move the hex key from the keyless chuck and
completely unscrew the keyless chuck.
The key-type drill chuck 14 is removed in the
same manner as the keyless chuck.
Mounting the Drill Chuck (see figure F)
The keyless chuck/key-type drill chuck is mount-
ed in reverse order.
The drill chuck must be tightened with a
tightening torque of approx. 30–35 Nm.
Dust/Chip Extraction
f Dusts from materials such as lead-containing
coatings, some wood types, minerals and
metal can be harmful to one’s health. Touch-
ing or breathing-in the dusts can cause aller-
gic reactions and/or lead to respiratory infec-
tions of the user or bystanders.
Certain dusts, such as oak or beech dust, are
considered as carcinogenic, especially in con-
nection with wood-treatment additives (chro-
mate, wood preservative). Materials contain-
ing asbestos may only be worked by
specialists.
– Use dust extraction whenever possible.
– Provide for good ventilation of the working
place.
– It is recommended to wear a P2 filter-class
respirator.
Observe the relevant regulations in your coun-
try for the materials to be worked.
OBJ_BUCH-61-005.book Page 10 Thursday, November 15, 2007 3:48 PM
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