Malfunctions
Version 1.0 2019-01-17
Page 58
Translation of the original instructions
B17Pro basic
GB
B17P
ro_b
asic_
G
B.
fm
OPTIMUM
M A S C H I N E N - G E R M A N Y
®
6
Malfunctions
6.1
Drilling machine malfunctions
Malfunction
Cause/
possible effects
Solution
Noise during work.
•
Spindle runs dry.
•
Tool blunt or incorrectly clamped.
•
Grease spindle
•
Use new tool and check tension
(fixed setting of the bit, drill chuck
and taper mandril)
Bit „burnt“
•
Incorrect speed
•
Chips are not coming out of the
drilled hole.
•
Blunt drill bit.
•
Operating without cooling agent.
•
Choose a different speed, excessive
feed.
•
Retract the drill bit from the bore hole
more often.
•
Sharpen the drill bit or insert new drill
bit.
•
Use coolant.
Drill point runs off, drilled hole
is not circular.
•
Hard fiber in the wood or length of
the cutting spirals and/or angle on
the drill unequal.
•
Drill bit is bent.
•
Use a new drill bit.
Drill bit defective.
•
No base / support used.
•
Place a piece of wood underneath
the workpiece and fasten this to the
workpiece.
Drill is running non-round or
shaking
•
Drill bit is bent.
•
Bearings worn down in the spindle
head.
•
Drill is not correctly clamped.
•
Drill chuck defective
•
Replace drill bit
•
Have the bearings in the spindle
head replaced.
•
Clamp the drill bit properly.
•
Replace the drill bit chuck.
The drill chuck or the taper
mandrel cannot be inserted.
•
Dirt, grease or oil on the taper inside
of the drill chuck or on the taper sur-
face of the drill spindle
•
Clean surfaces well.
•
Keep surfaces free from grease.
Motor does not start.
•
Motor defective, possibly starting
capacitor defective
•
The operator's main fuse has been
triggered.
•
Have it checked by qualified person-
nel.
Precision of the work deficient
•
Heavy and unbalanced or deformed
work-piece.
•
Inexact horizontal position of the
work-piece holder.
•
Balance the piece statically and
secure without straining
•
Adjust workpiece-holder
Drilling spindle sleeve does not
return to its initial position
•
Spindle return spring
•
