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GB
Rate of drilling progress
decreases .
Motor cuts out .
Water leakage at the
water swivel or gear
housing .
DECLARATION OF
CONFORMITY
We herewith declare that this product conforms
to the following standards and directives:
Karat 350:
•
EN 55014-1
•
EN 55014-2
•
EN 61000-3-2
•
EN 61000-3-3
•
EN 62841-1
•
E N 62841-3-6 for transportable drill with sup-
porter
•
2006/42/EC
•
2014/30/EU
•
2011/65/EU
22
OPERATING MANUAL KARAT® 350
KARAT
Core bit segments polished .
Water pressure/water flow rate too high .
The core is stuck in the core bit .
Maximum drilling depth reached .
Core bit defective .
Gearing defective .
The clutch is releasing prematurely or
slipping .
The core bit has been jammed for too
long .
Electric power failure .
Too low power supply .
Electronics defective .
Shaft seal defective .
Water pressure is too high .
®
350
Sharpen the core bit on a sharpening
plate while water is flowing .
Use the feed lever to reduce the water
flow rate .
Remove the core .
Remove the core and use a core bit
extension .
Check the core bit for damage and
replace if necessary .
Have the machine repaired at a service
center .
Have the machine repaired at a service
center .
Free the core bit . Switch the motor off
and then on again .
Check the plug connections, electric
power supply and PRCD protective
switch .
Check power supply .
Too long/thin extension cord .
Too small aggregate .
Have the machine repaired at a service
center .
Have the machine repaired at a service
center .
Reduce the water pressure .
Zevenbergen, April 2021
R.G.W. van den Boogaart
General manager
B+BTec
Munterij 8
NL - 4762 AH Zevenbergen
+31 (0)168 331 260
info@bbtectools.com
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