OME130313: 457, 457 Silage Special, and 557 Round Balers, Block File: OUMX005_000006A_19

Adjusting Clearance Between Cutter Link Support and Twine Arm

causym CAUTION: Twine arms can move unexpectedly when twine arm power is on. Stay out of the path of twine arms at all times when twine arm power is on. During service or adjustment procedures for twine arms or twine cutter mechanism, turn off power to twine arms BEFORE placing your hands in the path of twine arm travel.

If there is crop material which is holding twine arms from moving freely during twine arm cycle, it is recommended that twine arms be manually positioned to release any "hold" they may have on the crop material. Turn off power to twine arms. This will help to make the unplugging operation easier and prevent twine arms from moving unexpectedly while your hands may be in the path of the twine arms. Stay out of the path of twine arms at all times when power to twine arms is ON.

IMPORTANT: Do not operate twine arms with pickup in raised position, or damage to pickup teeth may occur.

1. If equipped with MEGATOOTH™ pickup, remove quick-lock pin and rotate left-hand curtain away from front frame.

557 Shown

A-Quick-Lock Pin
B-Left-Hand Curtain

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2. Move twine arm (A) under cutter link support (B) as follows:

Hydraulic Twine Wrap;

1. Start tractor engine.
2. Operate tractor hydraulics to move twine arm (A) in position.
3. Shut off tractor engine. Remove key.

Electric Twine Wrap;

1. Turn tractor key to ON position. Do not start tractor engine.
2. Turn monitor-controller ON.
3. Press and momentarily hold TWINE/NET key to select TWINE mode.
4. Press EXTEND or RETRACT key to move twine arm (A) under cutter link support (B).
5. Turn monitor-controller OFF. Turn tractor key to OFF position. Remove key.

3. Measure clearance (C) between bottom edge of cutter link support (B) and top of twine arm strap. Clearance (C) should be within specifications.

Specification

Bottom Edge of Cutter Link Support-to-Top of Twine Arm Strap -Clearance

6-12 mm

(1/4-1/2 in.)

If clearance (C) is less than specifications, remove shims (D) between cutter link support (B) and underneath crossbeam. If shims do not exist, lower twine arms relative to cutter link support. (See ADJUSTING TWINE ARM-TO-STARTER ROLL, CUTTER LINK SUPPORT AND TWINE ARM STOP in this section.)
If clearance (C) is more than specifications, add shims (D).

4. Change shims by loosening two self-tapping screws.

5. Remove end play at front of cutter link support toward center of baler. Tighten screws.

A-Twine Arm
B-Cutter Link Support
C-Clearance
D-Shims

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6. If equipped with MEGATOOTH ™ pickup, rotate curtain toward front frame and fasten with quick-lock pin.

MEGATOOTH is a trademark of Deere & Company

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