
MAINTENANCE
RX96 03/09
Maintenance Section 5-10
© 2009 Alamo Group Inc.
MAINTENANCE
BLADE REMOVAL
To remove blades for sharpening or replacement,
remove the cover plate on deck of cutter near gear
box. Remove lock nut from blade bolt.
NOTE:
Inspect lock nut after removal and replace if threads
are damaged.
Always replace nut when replacing
blade bolt. When installing blades be sure and
check blade bolt pivot diameter for wear. Replace
bolt if worn more than 1/4 inch at any point. Install
blade bolts with partially worn side of bolt away from
center. Tighten lock nut to 350 ft. lbs.
Avoid personal injury. Blade and/or blade carrier removal should be done only with the
tractor engine shut off, key removed, in neutral, parking brake on, and PTO disengaged and
the cutter blocked in the raised position.
BLADE CARRIER REMOVAL
Remove cotter pin and loosen slotted nut on gearbox shaft. Loosen but do not remove the nut until the blade
carrier is loosened. Use a suitable 2 jaw gear puller to pull carrier off tapered gearbox shaft. If gear puller is not
available use long bar inserted through blade bolt access hole with end against rotor bar. Strike opposite end of
bar with sledge hammer. Rotate blade carrier 180 degrees and repeat process until carrier breaks loose.
BLADE CARRIER INSPECTION
Blade bolt fit into carrier bushings should be checked every time blades are changed. The blade bolt should fit
into carrier bushings as a snug slip fit. If the blade bolt fit appears to be loose or sloppy, measure the square
hole in bushing. If the bottom of the square hole is 1/16” or greater than the square shoulder of the new blade
bolt the bushings should be replaced. Bushings can be removed by cutting bushing head where it is welded to
carrier bar. Once head is removed bushing can be pressed out of bar. Clean and grind top of blade bar so new
bushing can be installed and welded. Bushing should be pressed into bar so that bottom of bushing is flush
with bottom of blade bar. Use low hydrogen rod to weld bushing in place.
Failure to replace a worn blade carrier bushing as described above may lead to catastrophic
failure of the blade, blade bolt, and/or blade bolt nut resulting in the ejection of the broken
parts out from under the mower at tremendous speed and force which could result in serious
bodily injury or death.
Summary of Contents for RX96
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Page 9: ...Safety Section 1 1 2009 Alamo Group Inc SAFETY SECTION...
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Page 81: ...Introduction Section 2 1 2009 Alamo Group Inc INTRODUCTION SECTION...
Page 85: ...Assembly Section 3 1 2009 Alamo Group Inc ASSEMBLY SECTION...
Page 97: ...Operation Section 4 1 2009 Alamo Group Inc OPERATION SECTION...
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Page 145: ...Maintenance Section 5 1 2009 Alamo Group Inc MAINTENANCE SECTION...
Page 147: ...MAINTENANCE RX96 03 09 Maintenance Section 5 3 2009 Alamo Group Inc MAINTENANCE...
Page 148: ...MAINTENANCE RX96 03 09 Maintenance Section 5 4 2009 Alamo Group Inc MAINTENANCE...
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