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TROUBLESHOOTING GUIDE
Problem
Excessive Vibrations
Gearbox Overheating
Gearbox Noisy
Gear Box Leaking
FX-107 07/19
© 2019 Alamo Group Inc.
OPERATION
Possible Cause
Check Gear box bolts.
Check For loose nuts on
blade holder and blades
Check for bent output shaft.
If shaft is bent oil will normally.
leak from the bottom seal.
Check to see if blades are
free swinging.
Check for even wear on each
blade tip. Were both blades
changed at the same time?
Blade Broken.
Blade carrier bent.
Blade hub not properly
seated on shaft
New Blade or bolts matched
with worn blade or bolts.
Drivelines not phased
correctly. Implement & Tractor
yokes must be in line.
Low on lubricant.
Improper type lubricant.
Excessive trash build-up.
around gear box
Bearing or gears set up improperly
Rough gears.
Improper Gear Mesh
Worn bearings.
Low Lubricant.
Damaged oil seal
Bent shaft.
Shaft rough in oil seal area.
Oil seal installed wrong.
Oil seal not sealing in the housing.
on OD of seal.
Oil level too high.
Sand hole in casting.
Gasket damaged.
Bolts loose.
Operation Section 4-44
Possible Remedy
Tighten if loose.
Tighten If loose
Replace shaft if bent.
Free blades so they swing
Weigh blades. Weight should be
within 1 oz. Always replace both blades
Replace blades, in sets.
Replace carrier.
Remove hub, check tapered spline
shaft, clean and replace.
Replace blades or bolts in sets
Replace Drivelines.
Fill to level plug.
Replace with proper lubricant.
Remove trash.
Consult your dealer.
Run in or change gears.
Reshim for proper backlash
Replace bearing
Check Lubricant level
Replace Seal.
Replace oil seal and shaft.
Replace or repair shaft.
Replace seal.
Replace seal or use a sealant
Drain oil to proper level.
Replace castings or gearbox.
Replace gasket.
Tighten bolts.
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