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Blade Bolts Working Loose
Gearbox Noisy
Gearbox Leaking
Streaking Conditions
Gearbox Overheating
Shear Pin Shears
Excessively
RX60/72/84 03/09
© 2009 Alamo Group Inc.
OPERATION
Bolts not tightened.
Bolt hole elongated or oversized.
Locknut worn out.
Low Lubricant.
Rough gears.
Worn Bearing.
Damaged Oil Seal.
Bent Shaft.
Oil Seal Race rough.
Oil Seal installed wrong.
Oil Seal not sealing in the housing.
Oil level too high.
Gasket damaged.
Bolts loose.
Sand hole in casting.
Conditions too wet for cutting.
Blades unable to cut that part of
grass pressed down by path of
tractor tires.
Dull blades.
Height of cutter lower at rear or
front.
Low on lubricant.
Improper type lubricant.
Excessive trash build-up around
gearbox.
Bearing or gears set up improperly.
Tractor PTO not being run at
540 RPM.
Heavy Material.
Not using proper pin.
PTO engaged at high engine RPM
Cutting in rocky conditions
Blade carrier RPM too high.
Blades not properly heat treated.
Operation Section 4-48
Tighten Bolts to 300 ft./lbs.
Replace Blade Carrier.
Replace Locknut.
Check lubricant level.
Run in or change Gears.
Replace Bearing.
Replace Seal.
Replace Oil Seal and Shaft.
Replace Shaft or repair Race.
Replace Seal.
Replace Seal or use a sealant on O.D.
of Seal.
Drain oil to proper level.
Replace Gasket.
Tighten Bolts.
Replace castings or gearbox.
Allow grass to dry before cutting. Slow
ground speed of tractor but keep
engine running at full PTO wpm.
Lowering the cutting height may help.
Sharpen or replace blades.
See Cutting Height Instructions.
Fill to level plug.
Replace with proper lubricant.
Remove trash.
Consult your Dealer.
Run at 540 RPM.
Reduce ground speed. Raise cutting
height.
Replace only with recommended shear
pin.
Idle engine to engage PTO
Increase cutting height.
Check gearbox ratios.
Consult your Dealer.
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