DoAll 500SNC, Инструкция по эксплуатации

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25
TROUBLE SHOOTING
Repair and adjustment procedures should
be made only by experienced maintenance
personnel. Reference to the machine's
electrical and hydraulic schematics will be
helpful.
MACHINE WON'T START
1. Make sure the disconnect switch is turned to
"ON".
2. Make sure that the bandwheel doors are closed.
3. Hydraulics must operating before the band drive
motor can be turned on.
4. Make sure the Emergency Stop pushbutton is reset
(turn the button head clockwise ).
5. A circuit breakers has tripped. Flip to "OFF" first,
then to "ON".
6. Check for broken belts and/or mechanical
jamming.
7. Raise the saw head to deactivate the head down
proximity switch ( 4 PRS) .
8. Check for a burned out band drive motor.
9. Check the incoming leads, fuses, wiring, and control
circuit fuse for possible malfuction.
MACHINE STARTS, BUT WON'T CONTINUE
RUNNING
1. Check for defective band drive contactor in the
electrical control box.
2. The saw head has not cleared the head down
proximity switch (
4 PRS)
. Move the saw head up.
INACCURATE CUT-OFF
1. Saw band teeth are dull or worn.
2. The band brush needs adjustment or
replacement.
3. Increase the band speed or decrease the feed
rate.
4. Check for dirty coolant. Replace if necessary.
5. Coolant is not being supplied evenly to both sides
of the saw band.
6. Stock is crooked. This usually results in straight,
but not square cuts.
7. Decrease the distance between the saw guide arms.
Move the left arm as close as possible to the stock
being cut.
8. Check for incorrect blade pitch being used.
9. Band tension is incorrect.
10. Stock is not being held firmly between the vise
jaws.
11. Check for incorrectly adjusted saw guide inserts
and back-up bearing.
12. Check for machine misalignment (have a service
representative check and/or adjust machine
alignment).
VERTICAL CUT INACCURACY (Cut piece are
thicker at the top or bottom)
1. Check for loose or worn saw guide inserts. Tighten
the inserts if loose, replace inserts if worn.
2. Reduce the feed rate being used.
3. Check for crooked stock and/or incorrect stock
positioning between the vise jaws.
4. Move the left saw guide arm closer to the stock.
5. Check for incorrect band tension adjustment.
6. Stock is not being held firmly between the vise
jaws.
7. Check for a worn saw band.
8. Check for saw head vertical misalignment. Have
a service representative check and/or adjust saw
head alignment.
HORIZONTAL CUT INACCURACY (Cut piece
are thicker on one side)
1. Check for loose or worn saw guide inserts. Tighten
the inserts if loose, replace inserts if worn.
2. Check that the saw head angle is at 0° and locked
in place.