Jet JWS-2700 Mode D'emploi page 8

In case of coplanar offset (B) use the
slide stop (O) to adjust.
8. Maintenance and inspection
General notes:
Maintenance and inspection work
may only be carried out after the
machine is protected against
accidental starting by pulling the
mains plug.
Clean the machine regularly.
Inspect the proper function of the dust
extraction daily.
Defective safety devices must be
replaced immediately.
All protective and safety devices must
be re-attached immediately after
completed cleaning, maintenance and
inspection work.
Repair and maintenance work on the
electrical system may only be carried
out by a qualified electrician.
Drive Belt:
The belt tension must be inspected
regularly.
The machine is equipped with a quick
belt tension lever (X, Fig 23).
Fig 23
To increase the belt tension:
-Loosen the lock nut (W).
-Rotate the adjustment nut (V).
-Tighten lock nut again.
Motor Break:
The motor break works electro-
mechanically (break motor).
If breaking time should exceed 10
seconds, the motor break assembly
needs to be replaced. Contact your Jet
service station immediately.
Vertical Slide adjustment:
The vertical slideways are adjusted ex
works.
After a periode of use they may wear,
causing play and vibration of the
spindle.
For adjustment, loosen the lock nuts
(Y, Fig 24) and gently tighten the grub
screws (Z).
Fig 24
9. Trouble shooting
Motor doesn't start
*No electricity-
check mains and fuse.
*Defective switch, motor or power
cord-
consult an electrician.
*Overload has reacted-
wait 10 min and start again.
*Spindle lock is engaged.
Cutter doesn't come to speed
*Too big or heavy a tool-
choose smaller spindle speed.
*Extension cord too light or too long-
use adequate power supply.
*V-belt excessively tensioned-
apply proper tension.
10
Wrong spindle direction
*3-phase sequence is wrong-
Push in and rotate phase inverter on
3-phase plug.
Machine vibrates excessively
*Stand on uneven floor-
adjust stand for even support.
*Cutter head damaged-
replace cutter head immediately.
*V-belt incorrectly tensioned-
apply proper tension.
Cutting surface is bad
*dull cutter-
replace cutter
*Cutter knives blocked by chips-
remove chips.
*Cutting speed too low-
chose correct speed.
*Too heavy a cut-
make several passes.
*knives cutting against grain-
turn workpiece around.
*Workpiece inhomogeneous.
*Moisture content too high.
Snipe
*Inadequate fence board adjustment-
use spacer board where possible.
*Clearance to table hole too big-
use table insert rings.
*insufficient workpiece guiding-
improve hold downs setting.
Spindle quill difficult to adjust
*Lack of lubrication-
lubricate spindle quill
*Quill is clamped.
Poor machining power
*belt is slipping-
tighten belt.
*Resin build up on tables-
clean and wax table surfaces.
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
Stock number 1791206
30mm spindle arbor incl. spacing
collars.