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OPERATION
SE4 05/05 Operation Section 4-37
© 2005 Alamo Group Inc.
OPERATION
14. TROUBLESHOOTING GUIDE
Problem Possible Cause Remedy
Not Cutting Clean Blades dull. Sharpen or replace Blades.
Carrier RPM too low. Use correct PTO speed and check for
correct gearbox ratio. See specifica-
tions.
Tires mashing down grass. Reverse direction of cutting and drive
with one tractor tire out of cutter over-
lap area. Conditions to 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.
Cutter not level. See Cutting Adjustment Height.
Blades bent up. Replace Blades.
Excessive Vibrations Check Gearbox bolts. Tighten if loose.
Check for loose nuts on bladeholder Tighten if loose.
and blades.
Check for bent output shaft. If shaft Replace shaft if bent.
is bent, oil will normally leak from
bottom seal.
Check to see if blades are free Free blades so they swing.
swinging.
Check for even wear on each blade Weigh blades. Weight should be within
tip. Were both blades changed at 1 oz. Always replace both blades.
the same time.
Blade broken. Replace blades, in set.
Blade carrier bent. Replace carrier.
Blade hub not properly seated on Remove hub, check tapered spline
shaft. shaft, clean and replace.
New blade or bolts matched with Replace blades or bolts in sets.
worn blades or bolts.
Drivelines not phased correctly. Replace driveline
Implement & tractor yokes must
be in line.
Blades Wear Fast Cutting in sandy or rocky conditions Increase cutting height.
Blade Bolts Bolts not tightened. Tighten Bolts to 300 ft./lbs.
Bolt hole elongated or oversized. Replace Blade Carrier.
Locknut worn out. Replace Locknut.
Gearbox Noisy Rough gears. Run in or change Gears.