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OPERATION
TW120 01/11 Operation Section 4-47
© 2011 Alamo Group Inc.
OPERATION
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 Low Lubricant. Check lubricant level.
Rough gears. Run in or change Gears.
Worn Bearing. Replace Bearing.
Gearbox Leaking Damaged Oil Seal. Replace Seal.
Bent Shaft. Replace Oil Seal and Shaft.
Oil Seal Race rough. Replace Shaft or repair Race.
Oil Seal installed wrong. Replace Seal.
Oil Seal not sealing in the housing. Replace Seal or use a sealant on O.D.
of Seal.
Oil level too high. Drain oil to proper level.
Gasket damaged. Replace Gasket.
Bolts loose. Tighten Bolts.
Sand hole in casting. Replace castings or gearbox.
Streaking Conditions Conditions too wet for cutting. Allow grass to dry before cutting. Slow
Blades unable to cut that part of ground speed of tractor but keep
grass pressed down by path of engine running at full PTO wpm.
tractor tires. Lowering the cutting height may help.
Dull blades. Sharpen or replace blades.
Height of cutter lower at rear or See Cutting Height Instructions.
front.
Gearbox Overheating Low on lubricant. Fill to level plug.
Improper type lubricant. Replace with proper lubricant.
Excessive trash build-up around Remove trash.
gearbox.
Bearing or gears set up improperly. Consult your Dealer.
Shear Pin Shears Tractor PTO not being run at Run at 540 RPM.
Excessively 540 RPM.
Heavy Material. Reduce ground speed. Raise cutting
height.
Not using proper pin. Replace only with recommended
shear pin.
PTO engaged at high engine RPM Idle engine to engage PTO
Cutting in rocky conditions Increase cutting height.
Blade carrier RPM too high. Check gearbox ratios.
Blades not properly heat treated. Consult your Dealer.