Jet Tools JWL-1642 Mode D'emploi page 7

The live centre (R) can be ejected by
turning the hand wheel counter-
clockwise.
The live centre pin can be removed to
allow deep hole drilling operations.
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.
Clean the machine regularly.
Remove any foreign objects from the
heat sinks of AC-drive (Do not
obstrukt the air flow).
Inspect the proper function of the dust
collection daily.
Defective safety devices must be
replaces immediately.
Repair and maintenance work on the
electrical system may only be carried
out by a qualified electrician.
(Warning: Wait five minutes for DC-
bus capacitors discharge before
accessing the AC drive unit!)
8.1 Adjusting bed clamping
If adjustment is needed, remove the
stud (A, Fig 21).
Slide the headstock, tailstock or
toolrest to the edge of the bed and
slightly turn the hex nut (B).
Test the handle to make sure it
securely locks.
Fig 21
8.2 Changing belt and bearings
Changing belt and bearings can be
a difficult task. By chance remove
headstock and take into a repair
station for servicing.
Disconnect the machine from the
power source.
Open the door (E, Fig 22), and
remove the belt (F) from the lower
pulley.
Loosen two set screws in the hand
wheel (G) enough to unthread hand
wheel.
Fig 22
Loosen socket head cap screw
enough to unthread the clamping nut
(H).
Loosen two set screws in the right
hand pulley (I).
Loosen set screw in the collar (J, Fig
23).
Use a wood dowel, or aluminium
stock to knock spindle towards the
tailstock. (Use a material that is softer
than the spindle so you do not
mushroom end of spindle).
Go only far enough to remove right
hand pulley and belt from spindle
when changing the belt (Fig 23).
Fig 23
Note:
Mark key way on the pulley for easy
reference when reassembling.
Now you can replace the belt or
bearings.
9
To reassemble reverse the procedure.
Note: Key way alignment is critical for
instalment and proper operation. Do
not force the pulley. When reinstalling
clamping nut, thread it on to the
spindle until its snug. Then back off
slightly and tighten the socket head
cap screw.
9. Trouble shooting
Motor doesn't start
*No electricity-
check mains and fuse.
*Defective switch, motor or cord-
consult an electrician.
*Overload detected on AC-drive unit-
wait and restart machine; chose low
speed range belt setting (0-1200 rpm)
for better torque.
Machine vibrates excessively
*Stand on uneven floor-
adjust stand for even support.
*Workpiece is not properly centred-
*The speed is too high-
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 709960
Spindle adapter for 1"x 8TPI
Stock number 708330
Spur drive centre MT2
Stock number 708337
Dead cup centre MT2
Stock number 708332
Face shield
Stock number 709008
8 piece carbon steel wood turning
chisel set
Refer to the JET-Pricelist
for various tools and work holding