OPERATION
TW120 01/11
Operation Section 4-47
© 2011 Alamo Group Inc.
OPERA
T
ION
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.
Summary of Contents for TW120
Page 9: ...Safety Section 1 1 2011 Alamo Group Inc SAFETY SECTION...
Page 28: ...SAFETY TW120 01 11 Safety Section 1 20 2011 Alamo Group Inc SAFETY Decal Description...
Page 29: ...SAFETY TW120 01 11 Safety Section 1 21 2011 Alamo Group Inc SAFETY...
Page 30: ...SAFETY TW120 01 11 Safety Section 1 22 2011 Alamo Group Inc SAFETY...
Page 31: ...SAFETY TW120 01 11 Safety Section 1 23 2011 Alamo Group Inc SAFETY...
Page 32: ...SAFETY TW120 01 11 Safety Section 1 24 2011 Alamo Group Inc SAFETY...
Page 33: ...SAFETY TW120 01 11 Safety Section 1 25 2011 Alamo Group Inc SAFETY...
Page 34: ...SAFETY TW120 01 11 Safety Section 1 26 2011 Alamo Group Inc SAFETY...
Page 35: ...SAFETY TW120 01 11 Safety Section 1 27 2011 Alamo Group Inc SAFETY...
Page 36: ...SAFETY TW120 01 11 Safety Section 1 28 2011 Alamo Group Inc SAFETY...
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Page 91: ...Introduction Section 2 1 2011 Alamo Group Inc INTRODUCTION SECTION...
Page 96: ......
Page 97: ...Assembly Section 3 1 2011 Alamo Group Inc ASSEMBLY SECTION...
Page 109: ...Operation Section 4 1 2011 Alamo Group Inc OPERATION SECTION...
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Page 157: ...Maintenance Section 5 1 2011 Alamo Group MAINTENANCE SECTION...
Page 160: ...MAINTENANCE TW120 01 11 Maintenance Section 5 4 2011 Alamo Group MAINTENANCE...
Page 161: ...MAINTENANCE TW120 01 11 Maintenance Section 5 5 2011 Alamo Group MAINTENANCE...
Page 174: ...MAINTENANCE TW120 01 11 Maintenance Section 5 18 2011 Alamo Group MAINTENANCE...
Page 188: ...Secci n de Seguridad 1 1 2011 Alamo Group Inc SECCI N DE SEGURIDAD...
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