
7
e
n
7.2.2 Key-type chuck
-NOTE-
Use the chuck key suppl
i
ed for open
i
ng
a
nd clos
i
ng the
chuck.
Unplug the supply cord from the m
ai
ns socket.
Opening the key-type chuck
1. Insert the chuck key
i
n one of the three holes prov
i
ded
on the chuck.
2. To open the chuck, turn the key counterclockw
i
se.
3. Remove the
i
nsert tool from the chuck.
4. Remove the chuck key.
Closing the key-type chuck
1. Open the chuck suff
i
c
i
ently to
a
llow the sh
a
ft of the
i
nsert tool to be
i
nserted.
2. F
i
t the
i
nsert tool
i
nto the chuck.
3. Close the j
a
ws of the chuck by turn
i
ng the toothed
r
i
ng unt
i
l the j
a
ws gr
i
p the
i
nsert tool.
4. Insert the chuck key
i
n one of the three holes prov
i
ded
on the chuck.
5. Secure the
i
nsert tool
i
n the chuck by turn
i
ng the chuck
key clockw
i
se.
6. Remove the chuck key.
7.2.3 2-speed gear selector switch
-NOTE-
Ch
a
nge ge
a
r only when rot
a
t
i
on h
a
s stopped.
The mech
a
n
i
c
a
l 2-speed ge
a
r selector sw
i
tch c
a
n be
used to set the des
i
red speed r
a
nge:
1
st
ge
a
r = 0 – 1100 r.p.m.
2
nd
ge
a
r = 0 – 3100 r.p.m.
7.2.4 Rotary drilling
-NOTE-
The forw
a
rds/reverse sw
i
tch must be set to the "R" pos
i
-
t
i
on.
1. Eng
a
ge the funct
i
on selector sw
i
tch
i
n the
pos
i
t
i
on.
2. Adjust the s
i
de h
a
ndle to the des
i
red pos
i
t
i
on
a
nd
check th
a
t
i
t
i
s f
i
tted
a
nd secured correctly.
3. Plug the supply cord
i
nto the m
ai
ns socket.
4. Pos
i
t
i
on the t
i
p of the dr
i
ll b
i
t
a
t the po
i
nt where the
hole
i
s to be dr
i
lled.
5. Press the control sw
i
tch (on/off sw
i
tch) slowly. Beg
i
n
dr
i
ll
i
ng
a
t low speed,
i
ncre
a
s
i
ng speed only
a
fter the
dr
i
ll b
i
t h
a
s become centered
i
n the hole.
6. Press the control sw
i
tch (on/off sw
i
tch) fully to con-
t
i
nue dr
i
ll
i
ng
a
t full power.
7.2.5 Hammer drilling
-NOTE-
The forw
a
rds/reverse sw
i
tch must be set to the "R" pos
i
-
t
i
on.
1. Eng
a
ge the funct
i
on selector sw
i
tch
i
n the
pos
i
-
t
i
on.
2. Adjust the s
i
de h
a
ndle to the des
i
red pos
i
t
i
on
a
nd
check th
a
t
i
t
i
s f
i
tted
a
nd secured correctly.
3. Plug the supply cord
i
nto the m
ai
ns socket.
4. Pos
i
t
i
on the t
i
p of the dr
i
ll b
i
t
a
t the po
i
nt where the
hole
i
s to be dr
i
lled.
5. Press the control sw
i
tch (on/off sw
i
tch) slowly. Beg
i
n
dr
i
ll
i
ng
a
t low speed,
i
ncre
a
s
i
ng speed only
a
fter the
dr
i
ll b
i
t h
a
s become centered
i
n the hole.
6. Press the control sw
i
tch (on/off sw
i
tch) fully to con-
t
i
nue dr
i
ll
i
ng
a
t full power.
7. When dr
i
ll
i
ng through-holes,
a
vo
i
d sp
a
ll
i
ng by reduc-
i
ng dr
i
ll
i
ng speed shortly before bre
a
k
i
ng through
(rele
a
se the on/off sw
i
tch slowly).
7.2.6 On/off switch with electronic speed control
The speed c
a
n be controlled by press
i
ng the on/off sw
i
tch
gr
a
du
a
lly unt
i
l m
a
x
i
mum speed
i
s re
a
ched.
7.2.7 Lockbutton for sustained operation
The lockbutton
i
s used to lock the on/off sw
i
tch
i
n the
"on" pos
i
t
i
on: the motor then runs const
a
ntly (sust
ai
ned
oper
a
t
i
ng mode).
Activating sustained operating mode
1. Press the on/off sw
i
tch
a
nd hold
i
t
i
n th
i
s pos
i
t
i
on.
2. Press the lockbutton
a
nd hold
i
t
i
n th
i
s pos
i
t
i
on.
3. Rele
a
se the on/off sw
i
tch.
4. Rele
a
se the lockbutton.
Deactivating sustained operating mode
1. Press the on/off sw
i
tch
a
nd then rele
a
se
i
t.
7.2.8 Forwards/reverse rotation
The forw
a
rds/reverse sw
i
tch c
a
n be used to select the
des
i
red d
i
rect
i
on of rot
a
t
i
on.
-NOTE-
An
i
nterlock prevents sw
i
tch
i
ng between forw
a
rds/reverse
wh
i
le the motor
i
s runn
i
ng.
The forw
a
rds/reverse sw
i
tch must be set to the "R" pos
i
-
t
i
on for h
a
mmer dr
i
ll
i
ng
a
nd rot
a
ry dr
i
ll
i
ng.
– Sw
i
tch set to "R"
= forw
a
rds rot
a
t
i
on
pos
i
t
i
on
(R )
– Sw
i
tch set to "L"
pos
i
t
i
on
= reverse rot
a
t
i
on (L)
Printed: 07.07.2013 | Doc-Nr: PUB / 5071287 / 000 / 00
Содержание UH 650
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