T R O U B L E S H O O T I N G
P R O B L E M | POSSIBLE CAUSE | SOLUTION |
|
|
|
Streaking | Slow blade tip speed | Operate PTO at 540 RPM |
| Worn blade tips | Replace with correct specified |
|
| blades |
| Dull blades | Sharpen blades uniformly |
| 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 |
| 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 correct specified belt |
| Blade loose on spindle | Tighten blade bolt securely (Note: |
|
| these are |
|
| to 85 ft.lb. torque) |
| Conditions too wet for mowing | Allow grass to dry before mowing |
|
|
|
Grass discharges | 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 |
| Belt slipping | Tighten belt or replace with a correct |
|
| specified 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 correct specified blade |
| Worn/unbalanced blade | Grind blade uniformly or replace |
| Bent/broken sheave | Replace with correct specified part |
| Debris caught on blade | Clean off blade |
|
|
|
Belt slipping | Belt loose | Tighten or replace with correct |
|
| specified belt |
| Belt glazed | Use belt dressing or replace it |
| Oil on belt | Clean or replace |
|
|
|
23