Urschel COMITROL 2100, Instruction Manual

Page: 129 / 166

51
MAINTENANCE
Troubleshooting
PROBLEM CAUSE CORRECTION
Machine overload or
jam
Feed rate too high
Power source too low
Motor problem
Dull blades or cutting
edges in reduction head
Machine running back-
wards
Impeller tips worn
Dull blades or cutting
edges in reduction head
Incorrect impeller and
reduction head combi-
nation
Feed rate too high
causing impeller blades
to flex
Worn impeller motor
bearings
Burr on cutting head
mounting surface or
foreign material under
head
See “Machine Overload or Jam”, page 31.
See “Feeding Method”, page 30.
Maintain incoming power to at least 95% of
specified voltage.
Refer to motor manufacturer’s instruction
manual or contact Urschel Laboratories for
location of nearest authorized motor service
center.
See “Cutting Heads”, pages 44 & 45.
Rewire correctly. Impeller must turn clockwise
when viewed through product feed opening.
See “Electrical Power”, page 25.
Replace or send impeller to Urschel Laborato-
ries for repair. See “Inspection”, page 42.
See “Cutting Heads”, pages 44 & 45.
Contact an Urschel representative to set up a
test to determine the correct impeller and
reduction head combination.
Reduce feed rate by adjusting feed screw
speed. See “Feeding Method”, page 30.
Refer to motor manufacturer’s instruction
manual or contact Urschel Laboratories for
location of nearest authorized motor service
center.
Clean cutting head and support thoroughly.
Hone off any nicks or burrs from mounting
surfaces.
Motor
Frequently
Becomes
Overloaded
Poor Quality,
Ragged or
Oversized
Product
Impeller Tips
Contacting
Cutting Head