OPERATION
DHM7 05/21 Operation Section 4-17
© 2021 Alamo Group Inc.
OPERATION
9.3 Cutting Component Inspection
Inspect blades for the following:
Notches and Gouges:
Cause: Blade contacting foreign objects.
Remedy: Inspect the area to be mowed and remove foreign objects that could cause damage to the blades.
Excessive Blade Wear:
Cause: Mower height set too low.
Remedy: Replace blades more often.
Adjust mower height for mowing conditions to eliminate blade-to-ground contact.
Operating the mower with loose blade hardware will damage the blades and can result in
blade breakage or blade fastener failure. Broken blades or bolts can be thrown out from
under the mower for distances up to 300 feet. When the blades are replaced, the fastening
hardware must be replaced. Check and retighten the blade hardware after the first eight
hours of operation.
• Inspect the gearbox oil level. A low oil level is a
warning sign that the gearbox may be cracked
or its seal is damaged and needs replacement.
• Ensure the gearbox vent is in place and free
from clogs. OPS-R-0040
• Inspect blades and blade bolts for looseness
and excessive wear. Make sure the mower is
securely blocked up before crawling beneath.
Replace damaged, worn and missing blades as
complete sets to maintain rotary balance during
operation.
• Ensure carrier hub nut is tightened with the cot-
ter pin inserted and spread. OPS-R-0041_A
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