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MAINTENANCE
GR60/72 02/07 Maintenance Section 5-5
© 2007 Alamo Group Inc.
MAINTENANCE
Blade Servicing
Inspect blades before each use to determine that they are properly installed and in good condition. Replace
any blade that is bent, excessively nicked, worn, or has any other damage. Small nicks can be ground out
when sharpening.
When sharpening blades, grind each blade the same amount to maintain balance. The
difference in blade weights should not exceed 1 ounce. Unbalanced blades will cause
excessive vibration which can damage gear box bearings. Vibration may also cause
structural cracks in cutter housing.
Use only original equipment blades on this cutter. They are made of special heat-treated
alloy steel. Substitute blades may not meet specifications and may fail in a hazardous
manner that could cause injury.
Blade Sharpening
Always sharpen both blades at same time to
maintain balance. Follow original sharpening
pattern as shown in Mnt-0008. Always sharpen
blades by grinding. DO NOT heat and pound out
edge. Do not sharpen blade to a razor edge, but
leave a 1/16" blunt edge. Do not sharpen back side
of blade.
Avoid personal injury. Always
block the cutter up to prevent if from falling when the blades and or carrier are being
serviced.
Replace bent or broken blades with new blades. NEVER ATTEMPT TO STRAIGHTEN,
WELD, OR WELD HARDFACING ON BLADES SINCE THIS WILL LIKELY CRACK OR
OTHERWISE DAMAGE THE BLADE WITH SUBSEQUENT FAILURE AND POSSIBLE SERIOUS INJURY
FROM THROWN BLADES.
(SGM-10)