Weekly Lubrication; Daily Lubrication; Slide Adjustments; Lead Screw Nut Adjustment - Jet JMD-45PF Mode D'emploi

Then change the oil in the gearbox
annually (respectively every 700
operating hours).

8.2 Weekly Lubrication:

Weekly apply oil:
DIN 51502 CG ISO VG68
(e.g. BP Maccurat 68, Castrol Magna
BD 68, Mobil Vectra 2)
- X-axis lead screw
Apply oil on entire length.
- Y-axis lead screw
Move the table forward and remove
the way cover for access.
Apply oil on entire length.
- Z-axis lead screw
Move the head up and remove the
way cover for access.
Apply oil on entire length.

8.3 Daily Lubrication:

Daily apply oil:
CGLP DIN 51502 ISO VG68
(e.g. BP Maccurat 68, Mobil Vectra 2)
- X/Y-axis hand wheels
Lubricate ball oilers.
- Z-axis crank handle
Lubricate ball oiler.
- X/Y-axis ways
Lubricate ways on entire length.
-Z-axis ways
Fill reservoir oiler.
- Spindle quill
Apply oil on entire length.

8.4 Slide adjustments

X-axis, Y-axis and Z-axis slides are
fitted with tapered gibs.
If adjustment is needed:
Tighten gib screw clockwise appr. a
quarter turn.
Try and repeat until slide moves freely
without play.

8.5 Lead screw nut adjustment

The table is fitted with an adjustable
(slotted) lead screw nut.
Tighten adjusting screw on lead screw
nut to reduce the backlash.

9. Trouble shooting

Motor doesn't start
*No electricity-
check mains and fuse.
*Defective switch, motor or cord-
consult an electrician.
Machine vibration
*Stand on uneven floor-
adjust stand for even support.
*Tool deflection-
reduce tool length.
*Slide backlash-
adjust slide gibs.
*Slides running dry-
lubricate with oil.
*Dry spindle quill-
lubricate spindle quill.
*Dull tool tip-
resharpen or change tool.
*Chip load too high-
reduce depth of cut or feed-
*Table lead screw nut has play-
tighten adjusting screw.
Tool tip burns
*Cutting speed too high-
reduce spindle speed.
*Dull tool tip-
resharpen tool tip.
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 for various
accessories.
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