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Kress 450 bs Manual

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450 BS/s English
7
Operation of the Quick Clamping Drill Chuck
The fully automatic spindle locking makes possible
quick and easy changing of the tool in the drill chuck.
Opening: Turn the sleeve in the “AUF” direction.
Clamping: Open the chuck and insert the tool as far
as possible.
Firmly clamp the chuck by turning the
sleeve in the “ZU” direction.
For soft drill shafts, it may be necessary to retighten
after a short time!
Remove the left-hand threaded screw that secures
the drill chuck on the drill spindle against unscrewing
in left rotation. The drill chuck can then be loosened by
lightly striking a Allen key clamped in the drill chuck
and screwed off.
Remounting takes place in the reverse order.
Clean the flat surfaces on the drill chuck and spindle
before mounting. Screw on the drill chuck firmly and
secure with the safety screw.
Observe in addition that, when using a rim gear drill
chuck, the chuck key must not be attached to the
machine with chains, cords or similar means.
When drilling or screwdriving, secure the work
pieces against being rotated by the drill.
Make sure that the bit and screw correspond in size
and shape.
It is advisable to use socket-head screws since their
self-centering action ensures safe work. Or even
better - TORX screws and the corresponding bits.
Optimal screwing is achieved when the screwing
device is fixed securely in the screw head.
Always make sure that the chosen speed is correct for
the purpose for which you are using the machine.
High speeds are necessary for polishing and grinding.
When drilling match speed with type of material and
drill. High speed drilling in steel and stone will cause
premature tool wear.
Use tool steel twist drills for soft materials such as
wood and plastics; high speed twist drills for steel and
iron.
Maintenance
The machine's motor has life-time lubrication and
requires no special maintenance. However, should
you operate the machine on a continuous basis over
long periods of time we recommend that you send us
the machine for thorough cleaning and an inspection.
This will spare you unnecess-ary repair expenses and
increase the machine's service life. If you always
clean the ventilator of dust after each operation, the
motor will enjoy an ever longer service life. Uniform
ventilation is essential for a long service life.
Replacing carbon brushes
Our service personnel will do this and all other servic-
ing work fast and professionally.
Damaged mains cables should not be used. They are
to be replaced without delay.
As the result of a innovative mains cable module
4
,
this is possible in a quick and easy manner. Press the
latches
3
on both sides and pull the mains cable
module out of the handle. Insert a new mains cable in
the handle and latch. Mains cables in various lengths
are available as special accessories.
Use the mains cable module provided only for
Kress Electro-Tools. Do not attempt to operate
other machines with the module.
Measured values determined according to EN 50 144.
Sound pressure level: 76
+3
dB (A)
Sound power level: 83
+3
dB (A)
Work place emission value: 73
+3
dB (A).
For operation, noise protection measures are
required.
The weighted acceleration is typically smaller than
2.5 m/s
2
.
Kress takes back worn-out machines
for the purpose of resource-saving
recycling. As a result of their modular
construction, Kress machines can be
very easily dismantled into their reus-
able materials.
Give your worn-out Kress machine to your dealer or
send it directly to Kress.
Subject to change without notice
6 Dismounting the Drill Chuck
7 Screwing
8 Maintenance Measures
9 Mains cable
10 Noise/vibration information
11 Environmental Protection
450 BS/s - Buch Seite 7 Dienstag, 28. August 2001 11:17 11
… 7 …


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