OMFH310750: 458, 458 Silage Special, and 558 Round Balers (360001- ), Block File: OUO6085_00005BC_19

Adjusting Twine Cutter Tension (Electric)

1. Turn tractor key to ON position. Do not start tractor engine. Set monitor-controller selector switch to TWINE symbol to turn monitor-controller ON.

2. Using monitor-controller EXTEND key, move twine arms behind twine cutter.

3. Set monitor-controller selector switch to OFF (centered) position. Turn tractor key to OFF position. Remove key.

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causym CAUTION: Twine arms can move unexpectedly. Keep hands out of twine arm path to avoid crushing. Turn off power to twine arms BEFORE servicing or adjusting twine arms or twine cutter mechanism.

Stay out of the path of twine arms at all times when power to twine arms is ON.

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causym CAUTION: Be careful when working around the knife. It is sharp.

4. Pull cutter strap (A) gently forward until knife (C) contacts hex anvil. Remove slack, but DO NOT deform cutter strap.

5. Mark along cutter strap (A) at support (B), as shown.

A-Cutter Strap
B-Support
C-Knife

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6. Make sure twine arm stop (A) is in the down position.

7. Turn tractor key to ON position. Set monitor-controller selector switch to TWINE symbol to turn monitor-controller ON.

8. Cycle twine arms (B) to home position using monitor-controller WRAP key.

9. Set monitor-controller selector switch to OFF (centered) position. Turn tractor key to OFF position. Remove key.

10. Distance (C) between mark on cutter strap and strap support should be within specifications.

Specification

Mark on Cutter Strap-to-Strap Support -Distance

5-7 mm

(3/16-9/32 in.)

To decrease distance (C), move washers (D) from front of strap to rear of strap.
To increase distance, move washers from rear of strap to front of strap.

If twine cutter adjustment cannot be made by moving washers on cutter strap, refer to TWINE ELECTRIC ACTUATOR INSTALLATION ADJUSTMENT in this section.

A-Twine Arm Stop
B-Twine Arms
C-Dimension
D-Washers

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11. If washers have been moved, check overlap dimension (E) between bottom edge of tab (B) and bottom edge of strap (C). Dimension (E) should be within specifications.

Specification

Bottom Edge of Tab-to-Bottom Edge of Strap -Overlap Distance

2-4 mm

(3/32-5/32 in.)

To check overlap dimension:

a. Turn tractor key to ON position. Turn monitor-controller ON.

b. Using monitor-controller RETRACT key, move twine arms until twine arm (D) lightly contacts tab (B) and strap (C).

c. Set monitor-controller selector switch to OFF. Turn tractor key to OFF position. Remove key.

d. Loosen nut (A) and adjust tab (B) to obtain specification (E) between bottom edge of tab (B) and bottom side of contact strap (C). Keep tab (B) vertical and tighten nut (A).

e. Turn tractor key to ON position. Turn monitor-controller ON.

f. Move twine arms completely forward using monitor-controller RETRACT key.

g. Turn monitor-controller OFF. Turn tractor key to OFF position. Remove key.

h. Check overlap dimension (E). Front twine arm must pass under tab (B). If necessary, adjust tab (B). Light contact between tab (B) and front twine arm (D) is acceptable.

i. Make sure distance between mark on cutter strap and strap support is to specification.

A-Nut
B-Tab
C-Strap
D-Twine Arm
E-Dimension

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