DoAll C-916 - Trouble Shooting

TROUBLE SHOOTING
MACHINE WON'T START
(1) Heaters are tripped . Wait several minutes for
them to cool.
(2) Check for broken belts.
(3) Check for mechanical jamming.
(4) Drive motor may be burned out.
(5) Check incoming leads, fuses, wiring and
control circuit fuse.
BAND RUNS IN WRONG DIRECTION
(1) Switch incoming lines on electrical starter .
BAND STALLS IN STOCK
(1) " Reduce " feed force .
(2) Use a finer pitch band. (At least 3 teeth should
be in stock at all ti mes) .
(3) Check band tension setting .
(4) "Increase" band speed.
BAND VIBRATION (While Sawing)
(1) Incorrect band speed being used .
(2) Band pitch choice is incorrect.
(3) Coolant choice is incorrect.
(4) Change head lift cylinder adjustment slightly.
(5) Stock is not clamped firmly in vise.
(6) Saw guide inserts are worn or improperly
adjusted .
(7) Saw guide back-up is worn.
INCOMPLETE CUT
(1) Head is not completing its downward travel
due to chip or other debris build-up on vise bed
and stock unloading tray'below saw guides.
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HIGH FREQUENCY SQUEAL DEVELOPS
WHILE SA WING
(1) " Increase" feed force . Force being used is not
compatible with stock type Jr size
(2) "Increase " coolant flow .
(3) Use a coarser pitch band.
(4) "Reduce" or vary band speed .
(5) Check band tension setting.
(6) Use a coarser pitch band when sawing l arger
stock .
VERTICAL INACCURACY (Pieces Cut Are
Thicker At Top Or Bottom)
(1) Saw guide inserts are loose or worn. Tighten if
loose ; replace if worn .
(2) Replace worn saw band .
(3) " Reduce " feed force or widen work span
direction .
(4) Stock is not being held correctly . Reposition.
(5) Saw head is misaligned vertically .
(6) Move left saw guide arm closer to stock .
(7) Check band tension setting .
(8) Have a DoALL Indus trial Supply Center service
representative check and adjust machine
alignment.
HORIZONTAL INACCURACY (Pieces Cut
Are Thicker At One Side)
(1) Stock is not being held c orrectly in vise .
Reposition .
(2) Saw guide inserts are loose or worn . Tighten
if loose ; replace if worn .
(3) Have a DoALL Industrial Supply Center servi ce
representative check and adjust mach i ne
alignment.
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