Challenge SPARTAN 185, Service Manual

Page: 28 / 108

3.0 Maintenance Guide
27
Problem Possible Cause Solution
7. Knife cuts deeper on one
side than the other.
a) Knife is not seated all the way
up in knife bar.
b) Knife level is not set properly
a) Loosen knife screws and use
knife lifter assembly to raise
knife up tight.
b) See Section 3.5.5 Knife
Leveling Adjustment, page 16.
8. The machine strains
through a cut.
a) Dull knife.
b) Inadequate power source.
a) Change the knife with a new or
sharpened one. See
Operator’s Manual for knife
changing information and
instructions.
b) The electrical outlet may not
have sufficient power if other
equipment is operating on the
same line. Check voltage
and/or try another outlet on a
different line.
9. Concave cutting – ends
wide, center narrow.
a) Excessive moisture at edges
of paper.
a) Keep paper in dry location.
10. Concave cutting –
variation from top to
bottom.
a) Knife dull or incorrectly
ground.
a) Change the knife with a new or
sharpened one. See
Operator’s Manual for knife
changing information and
instructions.
11. Motor runs at start up
and does not stop
running.
a) Knife up limit switch out of
adjustment.
a) See 3.5.12 Knife Up Limit
Switch Adjustment, page 22.
12. Knife or Clamp coasts
after motor stops.
a) Motor brake is malfunctioning
or worn out.
a) Replace motor brake. See
Parts Lists in this manual for
part number. Replacement
instructions included with part.
13. During a cycle, the
clamp starts to move but
stops before coming
down, and then the knife
comes down. (SA/AEP)
a) Knife/Clamp out of sequence a) See 3.5.10 Knife/Clamp
Sequence Adjustment
(Models: A and AEpage 20.
14. During a cycle, the
clamp comes down all
the way, but the clamp
motor does not shut off
and the knife does not
come down. (SA/AEP)
a) Knife/Clamp out of sequence a) See 3.5.10 Knife/Clamp
Sequence Adjustment
(Models: A and AEpage 20.