Replacing Threshing Bars and Tines

IMPORTANT: STS Rotor is a balanced assembly. Bars and tines must be replaced in sets of three to maintain balance. Replacement kits are available through service parts and include new cap screws with pre-applied LOCTITE ® 204. Always use new cap screws and do not re-tighten after initial installation. Tines or bars that become loose may result in machine damage.

If tines or bars need to be removed for reasons other than replacement, mark location on tines and or bars and rotor, prior to removal. Install in same location as removed to maintain balance.

1. Remove separator grates or concave sections as needed.

LOCTITE is a trademark of Loctite Corp.

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2. Remove cap screws (A) and threshing bar or tine.

A-Cap Screws

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3. Inspect RIVNUT ® threaded inserts (A). Replace if damaged.

4. When replacing a bar or tine, you must replace the other two in the same group. Example: If bar 2 needs to be replaced, replace bars 1 and 3 also.

5. Use the threshing bar and separator tine location illustration on the following page for identifying bars and tines.

Threshing Bar Location:

• Group 1 - Bars 1,2,3
• Group 2 - Bars 4,5,6
• Group 3 - Bars 7,8,9
• Group 4 - Bars 10,11,12
• Group 5 - Bars 13,14,15

Separator Tine Location:

• Group 1 - Tine 1,2,5
• Group 2 - Tine 3,4,6
• Group 3 - Tine 8,9,11
• Group 4 - Tine 7,10,12
• Group 5 - Tine 13,16,18
• Group 6 - Tine 14,15,17
• Group 7 - Tines 19,22,23
• Group 8 - Tines 20,21,24

6. Tighten cap screws to specification.

Specification

RIVNUT is a trademark of RIVNUT Engineered Products Inc.

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