Adjusting The Depth Stop; Engaging The Fine Feed Wheel; Return Spring Adjustment; Maintenance And Inspection - Promac JMDT-763016 Mode D'emploi

Fig 9
Loosen the drawbar 2 to max 3 full
turns.
Tap the drawbar head with a rubber
mallet to dislodge the arbor.

7.3 Adjusting the Depth Stop

To drill multiple holes at the same
preset depth, use the depth stop:
Turn the knob of depth stop(D, Fig 10)
to move to the desired position.
Fig 10

7.4 Engaging the Fine Feed Wheel

To activate the fine feed hand wheel
tighten the engagement knob (I, Fig 4).

7.5 Return Spring Adjustment

The return spring is adjusted at the
factory and should not need further
adjustment. If adjustment is necessary:
Loosen knob (I, Fig. 11) approximately
6mm.
Do not remove the spring cover (H).
Fig 11
Firmly hold the spring cover (H).
Pull out the cover and rotate until the
pin (J) on the return spring plate
engages the next notch in the coil
spring cover. Turn the cover clockwise
to decrease tension and counter-
clockwise to increase tension.
Tighten knob (I).

8. Maintenance and inspection

General notes:
Maintenance, cleaning and repair
work may only be carried out after
the machine is protected against
accidental starting.
Push the emergency stop button and
disconnect from the power source!
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.

8.1 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 (C, Fig 12)
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.
- Vertical column
Apply oil on entire length
- Vertical Rack
Apply oil on entire length.
- Rising/ lowering crank handle
Lubricate ball oiler.
Fig 12

8.2 Daily Lubrication:

Daily apply oil:
CGLP DIN 51502 ISO VG68
(e.g. BP Maccurat 68, Mobil Vectra 2)
- X/Y-axis handwheels
Lubricate ball oilers (A, Fig 12)
- X/Y-axis ways
Lubricate ways on entire length (B, C,
Fig 12).
- Spindle quill
Apply oil on entire length.

8.3 Slide adjustments

X-axis and Y-axis slides are fitted with
tapered gibs.
Fig 13
If adjustment is needed:
Tighten gib screw (A, B, Fig 13)
clockwise appr. a quarter turn.
Try and repeat until slide moves freely
without play.