Electric Core Drill with Base
E&OE
©2017 Bäumr-AG
9
Troubleshooting
Problem
Possible Cause
Possible Solution / Recommendations
Overload protection
tripping
A
. Bit has insufficient cutting clearance.
B
. Feed rate too high.
A
. Replace bit.
B
. Reduce load.
Low penetration rate
A
. Drilling rebar (steel) - fluid not muddy.
Evidence of steel cuttings.
B
. Bit worn, damaged, bent.
C
. Insufficient load on bit.
D
. Loose material at bottom of hole.
E
. Insufficient fluid, causing cuttings to
obstruct cutters.
F
. Bit has insufficient cutting clearance.
A
. Reduce feed rate while cutting through steel rebar.
B
. Replace bit.
C
. Increase bit load.
D
. Break core, clean bottom of hole or drill with increased bit
load.
E
. Increase water flow rate. Clean bit face by drilling into a
concrete block.
F
. Replace bit.
Bits wearing rapidly
A
. Insufficient fluid, causing cuttings to
obstruct cutters.
B
. Bit or drill not "true".
A
. Increase water flow rate. Clean bit face by drilling into a
concrete block.
B
. Replace bit if bent. Ensure to drill straight.
Deep grooves in hole
A
. Bit or drill not "true".
B
. Bit has insufficient cutting clearance.
A
. Replace bit if bent.
B
. Replace bit.
Bit jamming
A
. Tool not held straight during drilling.
B
. Bit has insufficient cutting clearance.
C
. Bit or drill not "true".
D
. Feed rate too high.
A
. Be sure to hold the tool straight and maintain steady, but
not excessive, pressure.
B
. Replace bit.
C
. Replace bit if bent. Ensure to drill straight.
D
. Reduce load.
Bit chattering
A
. Bit or drill not "true".
A
. Replace bit if bent. Ensure to drill straight.
Excessive sparking
from motor
Motor brushes installed incorrectly or
require replacement.
Check
are serviceable and correctly installed.
Water leaking from
gearbox
Seals no longer serviceable.
Have the tool inspected / repaired at an authorised service
centre.
Specifications
Voltage
240VAC / 50Hz
Bit Thread Adaptor Size
1 ¼" UNC
Hose Adaptor Size
10mm
Drilling Diameter Range
20 to 152mm
Material Suitability
Masonry and concrete
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