Daily Lubrication; Slide Adjustments; Lead Screw Nut Adjustment - Promac JMDT-764016X Manual

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.

8.2 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.

8.3 Slide adjustments

X-axis and Y-axis slides are fitted with
tapered gibs.
Fig 10
If adjustment is needed:
Tighten gib screw (A, B, Fig 10)
clockwise appr. a quarter turn.
Try and repeat until slide moves freely
without play.

8.4 Lead screw nut adjustment

The table is fitted with an adjustable
(slotted) leadscrew nut.
Tighten adjusting screw on leadscrew
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
*Incorrect belt tension-
adjust belt tension.
*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 leadscrew 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.
This symbol indicates separate
collection for electrical and electronic
equipment required under the WEEE
Directive (Directive 2012/19/EC) and is
effective only within the European
Union.
11. Available accessories
Refer to the PROMAC-Pricelist for
various accessories.