Check wire pulleys. Pulleys must turn freely.

Check for proper wire threading.

Check for any indication where wire has been catching.

Check front of needle for grooves or buildup of foreign material retarding wire flow.

Check for rough or uneven wire.

Check top wire guide for grooves deep enough to cause wire to wedge.

Oil wire coils (light oil).

Gripper does not apply equal pressure on each side

Check entire twister assembly for loose screws.

Clean gripper parts including gripper drive tube.

With gripper to the tight side, loosen screws holding shear plates to twister assembly and realign plates.

Do not add washers or coins to the spring in the gripper drive tube.

Do not grind the cutting edges of the shear blade or plate.

Twister hook catches needle wire on second revolution instead of first

Adjust needle closer to gripper.

Check timing.

Replace bent needle.

Install plungerhead extensions.

Hay dogs not holding end of bale

Free seized hay dogs.

Reduce feeding rate.

Replace broken hay dog springs.

Install plungerhead extensions.

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