OBJ_BUCH-530-001.book Page 19 Wednesday, October 10, 2007 10:49 AM
Assembly
Before any work on the machine itself, pull
the mains plug.
Auxiliary Handle
Operate your machine only with the auxiliary
handle 10.
The auxiliary handle 10 can be set to any position
for a secure and low-fatigue working posture.
Turn the wing bolt for adjustment of the auxiliary
handle 9 in anticlockwise direction and set the
auxiliary handle 10 to the required position. Then
tighten the wing bolt 9 again in clockwise direc-
tion.
Adjusting the Drilling Depth
The required drilling depth X can be set with the
depth stop 11.
Press the button for the depth stop adjustment 8
and insert the depth stop into the auxiliary han-
dle 10.
Pull out the depth stop until the distance be-
tween the tip of the drill bit and the tip of the
depth stop correspond with the desired drilling
depth X.
The knurled surface of the depth stop 11 must
face upward.
Changing the Tool
Keyless Chuck (see figure A)
The drill spindle is locked when the On/Off
switch 6 is not pressed. This makes quick, con-
venient and easy changing of the tool in the drill
chuck possible.
Open the keyless chuck 1 by turning in rotation
direction
, until the tool can be inserted. Insert
the tool.
Firmly tighten the collar of the keyless chuck 1 by
hand in rotation direction
tion ("click") is no longer heard. This automati-
cally locks the chuck.
The locking is released again to remove the tool
when the collar is turned in the opposite direc-
tion.
Bosch Power Tools
Key Type Drill Chuck (see figure B)
Open the key type drill chuck 13 by turning until
the tool can be inserted. Insert the tool.
Insert the chuck key 12 into the corresponding
holes of the key type drill chuck 13 and clamp the
tool uniformly.
Screwdriver Tools
When working with screwdriver bits , a universal
bit holder 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 2 to the
"Drilling" symbol.
Replacing the Drill Chuck
Removing the Drill Chuck (see figure C)
Clamp the short end of an Allen key 14 into the
keyless chuck 1.
Place the machine on a stable surface (e.g. a
workbench). Hold the machine firmly and loosen
the keyless chuck 1 by turning the Allen key 14 in
rotation direction
less chuck by giving the long end of the Allen key
14 a light blow. Remove the Allen key from the
keyless chuck and completely unscrew the key-
less chuck.
Mounting the Drill Chuck (see figure D)
The keyless chuck is mounted in reverse order.
Dust/Chip Extraction
until the locking ac-
Wear protective gloves when changing the
tool. The drill chuck can become very hot dur-
ing longer work periods.
. Loosen a tight-seated key-
The drill chuck must be tightened with a
tightening torque of approx. 20–25 Nm.
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.
1 609 929 N03 | (10.10.07)
English | 19