5.3
Repair
5.3.1
Customer service technician
For any repair work request the assistance of an authorised customer service technician. Con-
tact your specialist dealer if you do not have customer service's information or contact Stürmer
Maschinen GmbH in Germany who can provide you with a specialist dealer's contact informa-
tion. Optionally, the
Stürmer Maschinen GmbH
Dr. Robert-Pfleger-Str. 26
D- 96103 Hallstadt
can provide a customer service technician, however, the request for a customer service techni-
cian can only be made via your specialist dealer.
If the repairs are carried out by qualified technical personnel, they must follow the indications
given in these operating instructions.
Optimum Maschinen Germany GmbH accepts no liability nor does it guarantee against damage
and operating malfunctions resulting from failure to observe these operating instructions.
For repairs, only use
faultless and suitable tools only,
original parts or parts from series expressly authorised by Optimum Maschinen Germany
GmbH.
6
Malfunctions
Malfunction
Noise during work.
Bit „burnt"
Drill tip is running off centre,
the drilled hole is non-round
Drill is defective
Drill is running non-round or
shaking
Version 1.0 dated 2019-01-08
Cause/
possible effects
•
Spindle is too little lubricated
•
Tool is blunt or wrongly
clamped
•
Drill speed too high /feed too
high
•
Chips do not come out of the
drill hole.
•
Drill blunt
•
No or too little cooling
•
Hard points on the workpiece
•
Length of the cutting spirals/or
angles on the tool are unequal
•
Drill deformed
•
No base / support used.
•
Bit deformed
•
Bearing worn down
•
Drill is not correctly clamped.
•
Drill chuck defective
Translation of the original instructions
OPTIMUM
M A S C H I N E N - G E R M A N Y
Solution
•
Grease spindle
•
Use new tool and check tension
(fixed setting of the bit, drill chuck
and taper mandril)
•
Select another speed
•
Extract drill more often during work
•
Sharpen or
use new drill
•
Use coolant.
•
Use new drill
•
Use support and clamp it with the
workpiece
•
Use new drill
•
Have the spindle bearings replaced
•
Correctly clamp drill
•
Replace the drill chuck
B13 basic | B14 basic | B16 basic
®
GB
Page 55