Prechopper Difficulties (If Equipped)

Problems

Cause

Solution

Excessive vibrations.

Breakage or excessive wear of knives or counterknives.

Replace worn or damaged parts.

Knife or counterknife jamming on pivot point.

Incorrect rotor balance.

Poor cutting quality due to drop in rotor speed.

Insufficient belt tension.

Adjust tension of belts.

Excessive belt wear.

Replace belts.

Belt overheating.

Incorrect belt tension.

Check belt tension of belts.

Angle gear case axle is no longer in line with rotor axle.

Check alignment.

Fast knife or counterknife wear.

Working position too low, interference with soil.

Adjust working height.

Drive shaft oil loss on belt side.

Wear or breakage of seal.

Replace seal.

Distortion of front pivoting safety flaps.

Prechopper has been lowered onto the residues to shred from the raised position (transport position).

Prechopper must be in working position before coming in contact with the residues to shred.

Rotor jamming during work.

Clogging due to foreign bodies. (Example: wire, plastic material)

Put on gloves and remove foreign bodies with adequate tools.

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