Servis-Rhino LUMBERJACK 60/72 - Manual (Page 116)

MAINTENANCE
Maintenance Section 5-6 LJ60/72 02-02
© 2004 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.
IMPORTANT! 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.
WARNING! 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 all blades at the same time to maintain balance. Follow original sharpening pattern as shown in
Figure 11. 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.
WARNING! Avoid personal injury. Always block the cutter up to prevent it from falling when the blades and/
or carrier are being serviced.
FIGURE 11. Blade Maintenance
1/16"
FOLLOW ORIGINAL
PATTERN
WARNING! Do Not heat weld on hard surface blades as this can alter material strength causing blades to fail
in a hazardous manner that could cause injury.