Bush Hog HDTH8, Operator'S Manual, Page: 129 / 172

TROUBLE SHOOTING GUIDE
Problem Possible Cause Remedy
STREAKING Slow blade speed. Operate PTO at 540 RPM.
Worn blade tips. Replace with Genuine Bush Hog Blades.
See your Bush Hog Dealer.
Dull blades. Sharpen blades uniformly.
Blades unable to cut that part of Slow ground speed of tractor but keep
grass pressed down by path of engine running at full PTO rpm.
tractor tires or casters. Cutting lower will help.
Mowing too fast. Slow down until cured.
Drive belt loose. Tighten per instructions.
Belt Glazed/Slipping Apply belt dressing or replace with
special Bush Hog belt.
Blade loose on spindle. Tighten blade bolt securely.
Conditions too wet for mowing. Allow grass to dry before mowing.
MATERIAL DISCHARGES Material too high and too much Reduce ground speed but maintain
material 540 rpm at tractor PTO, or make
two passes over material. Raise the
mower for the first pass and lower to
desired height for the second and cut
at 90 deg. to first pass. Raise rear of
mower high enough to permit material
to discharge, but not so high that
conditions listed above occur.
Belt Slipping Tighten or replace with special Bush Hog
belt
Grass wet Allow grass to dry before mowing.
Slow ground speed of tractor but keep
engine running at full PTO rpm.
Cutting lower will help.
HEAVY VIBRATION Too high blade speed. Do not exceed 540 PTO rpm.
Broken/Bent Blade. Replace with genuine Bush Hog blades.
See your Bush Hog dealer.
Worn/Unbalanced Blade Grind uniformly or replace.
Bent/Broken sheave. Replace parts.
Trash hung on blade. Clean off blade.
BELT SLIPPING Belt loose. Replace with special Bush Hog belt.
Belt glazed. Use belt dressing or replace.
Oil on belt. Clean or replace.
STREAKING Slow blade speed. Operate PTO at 540 RPM.
Worn blade tips. Replace with Genuine Bush Hog Blades.
Dull blades. Sharpen blades uniformly.
Blades unable to cut that part of Slow ground speed of tractor but keep
grass pressed down by path of engine running at full PTO rpm.
tractor tires or casters. Cutting lower will help.
Mowing too fast. Slow down until cured.
Drive belt loose. Tighten per instructions.
Belt Glazed/Slipping Apply belt dressing or replace with belt.
Blade loose on spindle. Tighten blade bolt securely. (NOTE:
Conditions too wet for mowing. Allow grass to dry before mowing.
HDTH 8 Finish Mower 09/20
Operation Section 4-27
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