Bush-whacker RDF 48, Manual

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18
2014 RDF 60, 72
Troubleshooting
Problem Possible cause Solution
Streaking Slow blade tip speed Operate PTO at 540 RPM
Worn blade tips Replace with genuine
BUSHWHACKER
blades
Dull blades Sharpen blades uniformly
Blades unable to cut that part of grass Slow tractor
’s ground speed but
pressed down by tractor
’s tire path or maintain 540 RPM PTO speed
mower
’s casters
Mowing too fast Slow down until cured
Drive belt loose Tighten per instructions on
maintenance chapter
Belt glazed/slipping Apply belt dressing or replace it with a
genuine
BUSHWHACKER
belt
Blade loose on spindle
Tighten blade bolt securely
(Note:
these are left-hand threads, tighten
to 85 ft.lb. torque)
Conditions too wet for mowing Allow grass to dry before mowing
Grass discharges from Grass is too high and too coarse Slow tractor
’s ground speed but
mower unevenly or maintain 540 RPM PTO speed.
bunches along a swath Raise the mower for the first pass and
lower to the desired cutting height
for the second, and cut at 90 degrees
to the first pass. Raise the rear of
mower high enough to allow the grass
to discharge, but not too high for
streaking to occur
Belt slipping Tighten belt or replace with a genuine
BUSHWHACKER
belt.
Grass is wet Allow grass to dry before mowing
Slow tractor
’s ground speed but
maintain 540RPM PTO speed
Cut grass at a lower height
Heavy vibration Blade speed is too fast Do not exceed 540 RPM PTO speed
Broken/bent blade Replace with genuine
BUSHWHACKER
blade
Worn/unbalanced blade Grind blade uniformly or replace
bent/broken sheave Replace with genuine
BUSHWHACKER
part
Debris caught on blade Clean off blade
Belt slipping Belt loose Tighten or replace with genuine
BUSHWHACKER
belt
Belt glazed Use belt dressing or replace it
Oil on belt Clean or replace