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OPERATION
HYDRO 88 & 96 03/09 Operation Section 4-34
©2009 Alamo Group Inc.
OPERATION
TROUBLE SHOOTING GUIDE
Problem Possible Cause Remedy
Excessive Vibrations Check gearbox bolts. Tighten if loose
Check for missing knives on Replace missing knives
cutter shaft.
Check to see if knives are Free knives so they swing.
free swinging.
Blade broken or bent. Replace blades.
Cuttershaft bent. Replace cuttershaft.
Drivelines not phased correctly. Replace driveline.
Implement & Tractor yokes must
be in line.
Cuttershaft bearing worn Replace bearings
Gearbox Overheating Low on lubricant. Fill to level plug.
Improper type lubricant. Replace with proper lubricant.
Excessive trash build-up Remove trash.
around gearbox.
Bearing or gears set up Consult your Dealer.
improperly.
Gearbox Noisy Rough Gears. Run in or change gears.
Worn Bearing. Replace bearing.
Noise Damaged Belt Shield Straighten or replace Shields.
(Rubbing on pulleys or belt).
Worn Bearing or Gear. Replace Bearing or Gear.
Gearbox Leaking Damaged oil seal Replace seal.
Bent shaft. Replace oil seal and shaft.
Shaft rough in oil seal area. Replace or repair shaft.
Oil seal installed wrong. Replace seal.
Oil seal not sealing in the housing. Replace seal or use a sealant on
OD of Seal.
Oil level too high. Drain oil to proper level.
Sand hole is casting. Replace castings or gearbox.
Gasket damaged. Replace gasket.
Bolts loose. Tighten bolts.
Clutch Slips Excessively Clutch linings badly worn or Repair clutch per maintenance
plates warped. section of manuals.
Too much power for clutch. Reduce ground speed and material
intake.
Oil on facings. Replace facings.
Friction facings glazed. Clean with emery cloth.