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MAINTENANCE
BH100 Series
04/21
Maintenance Section 5-11
© 2021 Alamo Group Inc.
MAINTENANCE
BLADE CARRIER INSTALLATION
Clean the splines on both the blade carrier and output shaft. Position carrier on the gearbox output shaft and
install special washer nut.
Tighten nut holding blade carrier to minimum 450 ft-lbs, strike the carrier near the hub several times with a
heavy hammer to seat to hub. Use a suitable spacer over the nut to prevent damage to the nut and threads.
Re-tighten the nut to 450 ft-lbs. Install cotter pin and spread.
Operating the mower with a loose blade pan or holder can damage the taper connection on
the gearbox output shaft. To ensure proper seating between the blade holder and output
shaft, check and tighten the retaining nut after the first day of operation. Recheck the blade
carrier attachment each morning before operating. Grasp the carrier firmly with both hands
and try to push and pull the carrier with one hand while pulling and pushing with the other
hand to try to rock or oscillate the blade carrier. If the carrier is loose, re-tighten the retaining
nut before operating the mower.
Always recheck gearbox output shaft slotted blade carrier retaining nut torque after a few
hours of operation.
Avoid personal injury. Do not work under cutter without support blocks to keep frame from
falling.
BLADE REMOVAL
Remove lockwasher and nut from blade bolt through inspection hole in deck of mower near the gearbox to
remove blades for sharpening or replacement. See Figure MntP-R-0567. Always replace lockwasher and 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. Tighten nut to 600 ft. lbs.
Summary of Contents for BH100 Series
Page 9: ...Safety Section 1 1 2021 Alamo Group Inc SAFETY SECTION ...
Page 31: ...SAFETY BH100 Series 04 21 Safety Section 1 23 2021 Alamo Group Inc SAFETY ...
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Page 85: ...Introduction Section 2 1 2021 Alamo Group Inc INTRODUCTION SECTION ...
Page 91: ...Assembly Section 3 1 2021 Alamo Group Inc ASSEMBLY SECTION ...
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Page 99: ...Operation Section 4 1 2021 Alamo Group Inc OPERATION SECTION ...
Page 143: ...Maintenance Section 5 1 2021 Alamo Group Inc MAINTENANCE SECTION ...
Page 156: ...MAINTENANCE BH100 Series 04 21 Maintenance Section 5 14 2021 Alamo Group Inc MAINTENANCE ...
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Page 159: ...Sección de Seguridad 1 24 SEGURIDAD SEGURIDAD BH100 Series 04 21 2021 Alamo Group Inc ...
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