Jet JDP-370 Gebrauchsanleitung Seite 6

8. Maintenance and inspection
General notes:
Maintenance, cleaning and repair
work may only be carried out after
the machine is protected against
accidental starting by pulling the
mains plug.
Periodically lubricate gently with
grease.
-the drive splines (grooves) in the
spindle
-the teeth of the quill
-the column-rack
Clean the machine regularly.
Defective safety devices must be
replaced immediately.
Repair and maintenance work on the
electrical system may only be carried
out by a qualified electrician.
9. Trouble shooting
Motor doesn't start
*No electricity-
check mains and fuse.
*Defective switch, motor or cord-
consult an electrician.
Chuck will not stay on spindle
*Oil or grease on contact surfaces-
clean the tapered surfaces of chuck
and spindle.
Machine vibration
*Incorrect belt tension-
Adjust belt tension.
*Dry spindle quill-
lubricate spindle quill.
*Spindle pulley loose-
tighten retaining nut.
*Motor pulley loose-
Tighten set screw.
*dull drill bit-
resharpen drill bit.
Drill bit burns
*incorrect speed-
reduce speed.
*Chips clogged-
retract drill bit frequently
*dull drill bit-
resharpen drill bit.
*feeding too slow-
feed faster.
Drill leads off
*cutting lips or angle not equal-
resharpen drill bit correctly.
*drilled hole off centre-
drill a pilot hole first.
*bent drill bit-
use a proper drill bit.
*drill bit not properly installed-
install drill bit correctly.
10. Environmental protection
Protect the environment.
Your appliance contains valuable
materials which can be recovered or
recycled. Please leave it at a
specialized institution.
11. Available accessories
Refer to the JET-Pricelist.
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