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4.4
Torque pre-selection
By means of the setting wheel 4 (page 3), the
required torque can be pre-set. As this setting
depends on diverse factors, it has to be specified by
means of tests.
Recommendation:
The safety clutch protects the motor and the gear
against overload and jerky loads (torque max. 25 Nm).
4.5
Operating instructions
4.5.1 Drilling
For drilling metal, only use properly sharpened SHSS-
tipped drills (SHSS = super-high speed steel).
4.5.2 Screwing
Only use bits which are suitable for the screw head.
Predrill a hole for screwing larger, longer screws into
hard materials.
4.5.3 Thread cutting
In order to use the drill as threader, tap drills can be
clamped into the chuck. The drill then has to be cau-
tiously operated at low speeds.
5
Service and maintenance
5.1
Machine
The machine must be cleaned of dust deposits at
regular intervals. at the same time blowing out the
motor ventilation apertures.
The storage place has to be dry and frost-free.
If, despite careful manufacturing and test proce-
dures, the device fails, the respective repair works
must be carried out by an authorized MAFELL cus-
tomer service station for electrical tools.
Only use our special grease, order number 049040
(1 kg tin), for all lubrication spots.
5.2
Storage
If the machine is out of service for a lengthy period of
time, it should be thoroughly cleaned (see chapter
5.1). Spray bright metal panels with a rust inhibitor.
Store the machine only in dry rooms, where it is pro-
tected against weathering.
∅
Speed
Gear level
Setting
wheel 4
4,0
A
2
1-2
5,0
A
2
1-3
6,0
A
2
4-9
8,0
A
1
6-10
10,0
B
1
8-10
For reasons of safety, additional han-
dle 11 (page 3) has to be always
used when operating the drill. This
handles allows for a particularly safe
guidance of the drill and an accurate
setting of the frill depth by means of
the drill depth stop.
Pull out the mains plug before start-
ing on any maintenance work!
The HB 2 E drill features a largely
maintenance-free design. The ball
bearings used are greased for life. After
a prolonged period of operation, users
are recommended to have the machine
checked by an authorized MAFELL
customer service shop.
Summary of Contents for HB 2 E
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