Specifications

7500 TROUBLESHOOTING GUIDE
29
COMPLAINT CAUSE CORRECTION
Cutter wheel stops turning.
• Belt not engaged.
• Belt loose.
• Engine belt broke.
• Poly Chain® belt broken.
• Sheared key in shaft.
• Broke cutter wheel shaft.
• Adjust yoke assembly.
• Tighten belt.
• Replace belt.
• Replace belt.
• Replace key.
• Replace shaft.
Roar in machine when cutter
wheel is engaged.
• Belt guards rubbing on
jack shaft or cutter wheel
shaft.
• Jackshaft or cutter wheel
bearings going bad.
• Stub shaft bearing bad.
• Re-position guards off of
shafts.
• Replace bearings.
• Replace bearing.
Bearing will not take grease.
• Grease fitting clogged. • Replace fitting
Cutter head swings faster one
way than the other.
• Counter-balance valve is
out of adjustment.
• Cylinder bad.
• Adjust counter-balance
valve to equalize swing
speed.
• Replace cylinder.
Machine will not run with
remote hooked up.
• 3-position switch on
machine control panel is in
off position.
• 6 pin connector pins are
touching and grounding
machine out.
• Y-Connection in remote
cable pulled apart.
• Position switch on
machine to remote and
remote kill switch to on.
• Spread pins apart on inside
of connector.
• Reconnect wires in splice
in remote cable.
For all Radio Transmitter or Receiver problems, see the Radio Control Manual included at
the back of this manual.