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23 16
SAFETY SIGNS (continued)
ITEM 10 – Part No. 101176
TROUBLE-SHOOTING GUIDE
PROBLEM POSSIBLE CAUSE POSSIBLE REMEDY
Streaking. 1. Slow blade tip speed. Operate PTO at 540 RPM.
2. Worn blade tips. Replace with correct specified
blades.
3. Dull blades. Sharpen blades uniformly.
4.
Blades unable to cut that part of grass pressed
Slow tractor’s ground speed but
down by tractor’s tire path or mower’s casters.
maintain 540 RPM PTO speed.
5. Mowing too fast. Slow down until cured.
6. Drive belt loose. Tighten per instructions on
maintenance chapter.
7. Belt glazed/slipping. Apply belt dressing or replace it with
a correct specified belt.
8. Blade loose on spindle. Tighten blade bolt securely. (Note:
these are left-hand threads, tighten
to 85 ft.lb. torque.)
9. Conditions too wet for mowing. Allow grass to dry before mowing.
Grass discharges 1. Grass is too high and too coarse. Slow tractor’s ground speed but
from mower unevenly maintain 540 RPM PTO speed.
or bunches along Raise the mower for the first pass and
a swath. 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.
2. Belt slipping. Tighten belt or replace with a correct
specified belt.
3. 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. 1. Blade speed is too fast. Do not exceed 540 RPM PTO speed.
2. Broken/bent blade. Replace with correct specified blade.
3. Worn/unbalanced blade. Grind blade uniformly or replace.
4. Bent/broken sheave. Replace with correct specified part.
5. Debris caught on blade. Clean off blade.
Belt slipping. 1. Belt loose. Tighten or replace with correct
specified belt.
2. Belt glazed. Use belt dressing or replace it.
3. Oil on belt. Clean or replace.