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OPERATION
A84B 03/07 Operation Section 4-43
© 2007 Alamo Group Inc.
OPERATION
15. TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy
CUTTER VIBRATES Blade locked back. Loosen locked Blade.
Drivelines not phased. Replace Driveline.
Blade broken. Replace Blades in sets.
Blade Carrier bent. Repair or replace Carrier.
Blade Hub not properly Remove Hub, check for wear
seated on Shaft. and replace or seat properly.
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 matched with Replace Blades in sets.
worn Blade.
Not Cutting Clean Blades dull. Sharpen or replace Blades.
Blade rotation incorrect. Use correct Blade for Carrier.
Using Straight Blades. Use Fan Blades in grass.
Carrier RPM too low. Increase PTO speed.
Mower not level. Adjust machine level (in very
heavy weeds, 1/2" to 1" low in front).
Tractor tires mashing down grass. Use offset adapter to move cutter to
the left.
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.
Blades bent up. Replace Blades.
Blades Wear Fast Cutting in sandy or rocky conditions. Increase cutting height.
Blades too soft. Replace Blades; with hardened,
high-quality, Alamo Industrial Blades.
from the manufacturer.
Blade Bolts Working Loose Bolts not tightened. Tighten Bolts to 300 ft./lbs.
Bolt hole elongated or oversized. Replace Blade Carrier.
Locknut worn out. Replace Locknut.
Gearbox Noisy Improper Backlash. See your local Alamo Industrial Dealer.
Rough gears. Run in or change Gears.
Worn Bearing. Replace Bearing.