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OPERATION
EC72 03/08 Operation Section 4-41
© 2008 Alamo Group Inc.
OPERATION
14. TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy
Excessive Vibration Check Gearbox Bolts Tighten if loose.
Check for loose nuts on TIghten if loose.
blade holder and blades.
Check for bent output shaft. Replace shaft if bent.
If shaft is bent, oil will
normally leak from bottom
seal.
Check to see if blades are Free blades so they swing.
free swinging.
Check for even wear on Weigh Blades. Weight should be within
each blade tip. Were both 1 oz. Always replace both blades.
blades changed at the same
time?
Blade Broken. Replace blades, in set.
Blade Carrier Bent. Replace carrier.
Blade hub not properly Remove hub, check tapered spline
seated on shaft. clean and replace.
New blade or bolts matched Replace blades or bolts in sets.
with worn blade or bolts.
Drivelines not phased correctly. Replace driveline.
Implement & tractor yokes must
be in line.
Not Cutting Clean Blades dull. Sharpen or replace Blades.
Carrier RPM too low. Use correct PTO speed and check for
correct gearbox ratio.
Cutter not level. See Cutting Height Adjustment.
Tractor tires mashing down grass. Reverse direction of cutting and drive
with right tractor tire out of cutter
overlap area. Conditions too wet to cut
Ground speed too fast. Reduce ground speed by shifting to a
lower gear.
Blades locked back. Free blades.
Blades riding up due to blade bolt Replace blade bolts.
wear or loose bolts.
Cutting height too high. Lower cut height as much as possible.
Blades Wear Fast Cutting in sandy or rocky conditions Increase cutting height.