4-5 BLADE REPLACEMENT
CAUTION 
WEAR HEAVY WORK GLOVES TO PRO- TECT HANDS FROM SHARP EDGES. WHEN TURNING BLADES, BE AWARE OF OPPOSITE BLADE APPROACHING.
A. Raise cutter using tractor hydraulic system and use transport locks before changing blades.
B. Turn off tractor,set parking brake and remove key.
C. Remove bolt and Belleville washer securing bottom blade to spindle. Remove blade. Shaft wash- er will come off with the blade.
D. Install the blade washer over the spindle shaft. Install the blade and torque the 1/2” - 20UNF
Gr. 8 bolt to 76 ft./lbs. Note: The concave side of the belleville washer must be toward the blades. Do not substitute with a flat washer.
4-6 TROUBLESHOOTING
Troubleshooting procedures are listed in Table
| Table |
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|
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| PROBLEM | PROBABLE CAUSE | REMEDY |
|
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| Uneven Cut | Cutter not level side to side | See SECTION III. |
|
|
| or front to rear. |
|
|
|
| Belt slipping. | Adjust belt per paragraph |
|
|
| Worn or bent blade(s). | Replace blade(s). |
|
|
|
|
|
|
| Streaking or Windrowing | Possible | Clean cutter. |
|
|
| material under cutter. |
|
|
|
| Cutter not level. | See SECTION III. |
|
|
| Worn blades. | Replace blades. |
|
|
| Belt slipping. | Adjust belt per paragraph |
|
|
| Mowing across slopes | Mow up and down slopes |
|
|
|
|
|
|
| Noisy Cutter | Loose components. | Check all bolts for tightness. |
|
|
| Low oil in gearbox. | Check oil per paragraph |
|
|
|
|
|
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| Rapid Blade Wear | Blade contacting | Adjust cutting height to |
|
| (cutting edge) | ground. | eliminate ground contact. |
|
|
|
|
|
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| Rapid Blade | Cutter not being | Set tractor throttle for |
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| Wear | operated at rated PTO speed. | proper PTO speed. |
|
|
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| Use lower gear. |
|
|
|
|
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| Cutter Vibrating | Cutter not being operated | Set tractor throttle for |
|
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| at rated PTO speed. | proper PTO speed. |
|
|
| Blade(s) bent. | Replace blades. |
|
|
| Foreign object wrapped | Remove object. |
|
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| around spindle or blade. |
|
|
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