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Yetter 5000-025C Owner's Manual

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5000 SERIES STALK DEVASTATOR
5000-025C, 5000-026C, 5000-027C, 5000-028C, 5000-034B
John Deere Model Corn Heads (606C, 643, 693, 706C, C6R, 608C,
843, 893, 708C, C8R, 612C, 612FC Folding, 712C, 1243, 1293,
C12F, C12R, 616C, 716C, C16F, & C16R)
YETTER MANUFACTURING CO.
Founded 1930
Colchester, IL 62326
Toll free: (800)447-5777.
Fax: (309)776-3222
Website: yetterco.com
E-mail: info@yetterco.com
CORN STALK ROLLER
*PATENTED*
OWNER'S MANUAL
PART IDENTIFICATION
2565-785_Rev_F – 6/2021

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  • Page 1 5000 SERIES STALK DEVASTATOR CORN STALK ROLLER *PATENTED* 5000-025C, 5000-026C, 5000-027C, 5000-028C, 5000-034B John Deere Model Corn Heads (606C, 643, 693, 706C, C6R, 608C, 843, 893, 708C, C8R, 612C, 612FC Folding, 712C, 1243, 1293, C12F, C12R, 616C, 716C, C16F, & C16R) OWNER’S MANUAL...

  • Page 2: Table Of Contents

    Safety Information ................. 4 - 6 Pictorial Part List ................... 7 - 9 Bolt Torque & Tools Required ..............10 Assembly Instructions ..............11 - 36 5000-025C ..................11 – 15 5000-026C ..................16 – 20 5000-027C ..................21 – 25 5000-028C ..................26 – 31 5000-034B ...................

  • Page 3: Foreword

    WARRANTY Yetter Manufacturing warrants all products manufactured and sold by it against defects in material. This warranty being expressly limited to replacement at the factory of such parts or products as shall appear to be defective after inspection. This warranty does not obligate the Company to bear cost of labor in replacement of parts.

  • Page 4: Safety Information

    BE ALERT! YOUR SAFETY IS INVOLVED WATCH FOR THIS SYMBOL. IT POINTS OUT IMPORTANT SAFETY PRECAUTIONS. IT MEANS “ATTENTION – BE ALERT!” It is your responsibility as an owner, operator, or supervision to know and instruct everyone using this machine at the time of initial assignment and at least annually thereafter, of the proper operation, precautions, and work hazards which exist in the operation of the machine in accordance with OSHA regulations.
  • Page 5 PLEASE READ, VERY IMPORTANT SECURE CORN HEADER AGAINST UNWANTED LOWERING BY APPLYING THE LOCKING MECHANISM ON THE HYDRAULIC CYLINDERS! 1. Attach head to combine, lock head to combine 2. Raise the head off the ground and engage safety stop on the feeder house cylinder. 3.
  • Page 6 PLEASE READ, VERY IMPORTANT Subject to the size and weight of the corn header, one or two additional hydraulic cylinders may be required. The combine manufacturer generally keeps corresponding kits readily available for dealers. Subject to the design of the corn header and the carrying capacity of different combines, the steering axle may require the fitting of additional weights and the rear tires be filled with ballast.

  • Page 7: Pictorial Part List

    RECEIVED BY GOING THROUGH THE CRATE AND SORTING THE PARTS!!! 5000-025C – JD 606C, 643, 693, 706C, C6R & Wheel tracks only for 612C, 712, 1243, 1293, C12F/R, 616C, 716 & C16F/R Part List 4) 5000-136, 4) 5000-138, 4) 5000-139, 1) 5000-165, 4) 5000-202, 2) 5000-256, 2) 5000-259, 2) 5000-272, 2) 5000-275A, 4) 5000-355 5000-026C –...
  • Page 8 PICTORIAL PART LIST 5000-136 Hardware Bag  2502-325 - 5/8-11 X 3 HHCS GR 5 ZP – QTY 1 2502-353 – ½-13 x 2 ½, HHCS, GR8, ZP – QTY 3   2510-121 - 5/8 DIA. SHLDR, 2-1/4 L SHLDR, ½-13 QTY 1 2520-357 - 1/2-13 LOCK HEX NUT, GR A, ZP –...
  • Page 9 PICTORIAL PART LIST 5000-138 Hardware Bag  2502-365 - 1/2-13 X 3-3/4 HHCS GR5 YD – QTY 2 2520-357 - 1/2-13 LOCK HEX NUT, GR A, ZP – QTY 2   5000-378 - SPACER BUSHING – QTY 2 5000-139 Hardware Bag ...

  • Page 10: Bolt Torque & Tools Required

    BOLT TORQUE Important: Over-tightening hardware can cause just as much damage as under-tightening. Tightening hardware beyond the recommended range can reduce its shock load capacity. All hardware on the 5000 Devastator is either Grade 5 or Grade 8, unless otherwise noted. Grade 5 cap screws are marked with three radial lines on the head.

  • Page 11: Assembly Instructions

    5000-025C ASSEMBLY INSTRUCTIONS (606C, 643, 693, 706C, C6R or Wheel Track only on 12 & 16 row JD corn heads) Step 1: Attach the 5000-202 mount brackets to the frame using the 5/8 x 6 bolts, mounting straps, and 5/8” lock hex nuts.
  • Page 12 5000-025C ASSEMBLY INSTRUCTIONS Step 2: Attach the 5000-309 support straps using ½” x 2 carriage bolts & ½” flange lock nuts, tighten. Step 3: Install 5000-323 lock-up pin in storage location on each mount bracket. Secure with hairpin clips.
  • Page 13 5000-025C ASSEMBLY INSTRUCTIONS Step 4: Attach the pivot arms to the mount brackets using 5/8” X 3” bolts, pivot bushings, & lock hex nuts. Use the model below to determine where the LH & RH pivot arms get installed. Tighten this hardware.
  • Page 14 5000-025C ASSEMBLY INSTRUCTIONS Step 6: Secure the mounting bracket installed in Step 1 at this time by tightening the 5/8 X 6” bolts & 5/8 lock nuts. Make sure the compression spring clears the cylinder channel as well as the rocker arm of the deck plate adjustment.
  • Page 15 5000-025C ASSEMBLY INSTRUCTIONS Step 7: Install the Roller Arm Mount Tube inside the clamp channel of the pivot arms using the 5000-138 bolt bag. Do not tighten this hardware until after the rollers have been installed in Step 8. NOTE: Install the Roller Arm Mount Tube on so that the bearing support tab is on the back side to help support the bearings.

  • Page 16: 5000-026C

    5000-026C ASSEMBLY INSTRUCTIONS (JD 608C, 708C, 843, 893, & C8R) Step 1: Attach the 5000-202 mount brackets to the frame using the 5/8 x 6 bolts, mounting straps, & 5/8” lock hex nuts. Mounting Brackets will be located under the snouts between rows 1 & 2, 2 & 3, 3 & 4, 5 & 6, 6 & 7, and 7 & 8. Slide the mount bracket up so the deck plate adjustment rod is located in the cut out of the mount bracket.
  • Page 17 5000-026C ASSEMBLY INSTRUCTIONS Step 2: Attach the 5000-309 support straps using ½” x 2” carriage bolts & ½” flange lock nuts, tighten. Step 3: Install 5000-323 lock-up pin in storage location on each mount bracket. Secure with hairpin clips.
  • Page 18 5000-026C ASSEMBLY INSTRUCTIONS Step 4: Attach the pivot arms to the mount brackets using 5/8” X 3” bolts, pivot bushings, & 5/8” lock hex nuts. Use the model below to determine where the LH & RH pivot arms get installed. Tighten this hardware. Step 5: Install the push rods into the mount brackets then attach to the pivot arms with the 5/8”...
  • Page 19 5000-026C ASSEMBLY INSTRUCTIONS Step 6: Secure the mounting bracket installed in Step 1 at this time by tightening the 5/8 X 6” bolts & 5/8” lock nuts. Make sure the compression spring clears the cylinder channel as well as the rocker arm of the deck plate adjustment.
  • Page 20 5000-026C ASSEMBLY INSTRUCTIONS Step 7: Install the Roller Arm Mount Tube inside the clamp channel of the pivot arms using the 5000-138 bolt bag. Do not tighten this hardware until after the rollers have been installed in Step 8. NOTE: Install the 2 & 3 row Roller Arm Mount Tube on so that the bearing support tab is on the back side to help support the bearings.

  • Page 21: 5000-027C

    5000-027C ASSEMBLY INSTRUCTIONS (JD 612C, 712C, 1243, 1293, & C12R) Step 1: Attach the 5000-202 mount brackets to the frame using the 5/8 x 6 bolts, mounting straps, & 5/8” lock hex nuts. Mounting Brackets will be located under the snouts between rows 1 & 2, 2 & 3, 4 & 5, 5 & 6, 7 & 8, 8 & 9, 10 & 11, and 11 & 12.
  • Page 22 5000-027C ASSEMBLY INSTRUCTIONS Step 2: Attach the 5000-309 support straps using ½” x 2” carriage bolts & ½” flange lock nuts, tighten. Step 3: Install 5000-323 lock-up pin in storage location on each mount bracket. Secure with hairpin clips.
  • Page 23 5000-027C ASSEMBLY INSTRUCTIONS Step 4: Attach the pivot arms to the mount brackets using 5/8” X 3” bolts, pivot bushings, & 5/8” lock hex nuts. Use the model below to determine where the LH & RH pivot arms get installed. Tighten this hardware. Step 5: Install the push rods into the mount brackets then attach to the pivot arms with the 5/8”...
  • Page 24 5000-027C ASSEMBLY INSTRUCTIONS Step 6: Secure the mounting bracket installed in Step 1 at this time by tightening the 5/8 X 6” bolts & 5/8 lock nuts. Make sure the compression spring clears the cylinder channel as well as the rocker arm of the deck plate adjustment.
  • Page 25 5000-027C ASSEMBLY INSTRUCTIONS Step 7: Install the Roller Arm Mount Tube inside the clamp channel of the pivot arms using the 5000-138 bolt bag. Do not tighten this hardware until after the rollers have been installed in Step 8. NOTE: Install the Roller Arm Mount Tube on so that the bearing support tab is on the back side to help support the bearings.

  • Page 26: 5000-028C

    5000-028C ASSEMBLY INSTRUCTIONS (JD 616C, 716C, C16F, & C16R) Step 1: Attach the 5000-202 mount brackets to the frame using the 5/8 x 6 bolts, mounting straps, & 5/8” lock hex nuts. Mounting Brackets will be located under the snouts between rows 1 & 2, 2 & 3, 4 & 5, 5 & 6, 7 &...
  • Page 27 5000-028C ASSEMBLY INSTRUCTIONS Step 2: Attach the 5000-309 support straps using ½” x 2” carriage bolts & ½” flange lock nuts, tighten. Step 3: Install 5000-323 lock-up pin in storage location on each mount bracket. Secure with hairpin clips.
  • Page 28 5000-028C ASSEMBLY INSTRUCTIONS Step 4: Attach the pivot arms to the mount brackets using 5/8” X 3” bolts, pivot bushings, & 5/8” lock hex nuts. Use the model below to determine where the LH & RH pivot arms get installed. Tighten this hardware. Step 5: Install the push rods into the mount brackets then attach to the pivot arms with the 5/8”...
  • Page 29 5000-028C ASSEMBLY INSTRUCTIONS Step 6: Secure the mounting bracket installed in Step 1 at this time by tightening the 5/8 X 6” bolts & 5/8 lock nuts. Make sure the compression spring clears the cylinder channel as well as the rocker arm of the deck plate adjustment.
  • Page 30 5000-028C ASSEMBLY INSTRUCTIONS Step 6: Secure the mounting bracket installed in Step 1 at this time by tightening the 5/8 X 6” bolts & 5/8 lock nuts. Make sure the compression spring clears the cylinder channel as well as the rocker arm of the deck plate adjustment.
  • Page 31 5000-028C ASSEMBLY INSTRUCTIONS Step 7: Install the Roller Arm Mount Tube inside the clamp channel of the pivot arms using the 5000-138 bolt bag. Do not tighten this hardware until after the rollers have been installed in Step 8. NOTE: Install the 2 & 3 row Roller Arm Mount Tube on so that the bearing support tab is on the back side to help support the bearings.

  • Page 32: 5000-034B

    5000-034B ASSEMBLY INSTRUCTIONS (JD 612FC, 712FC, & C12F) Step 1: Attach the 5000-202 mount brackets to the frame between rows 4 & 5, 5 & 6, 7 & 8, and 8 & 9 using the 5/8 x 6 bolts, mounting straps, & 5/8” lock hex nuts. Attach the 5000-263 mount brackets to the frame between rows 1 & 2, 2 & 3, 10 & 11, and 11 &...
  • Page 33 5000-034B ASSEMBLY INSTRUCTIONS Step 2: Attach the 5000-309 support straps using ½” x 2” carriage bolts & ½” flange lock nuts, tighten. Step 3: Install 5000-323 lock-up pin in storage location on each mount bracket. Secure with hairpin clips.
  • Page 34 5000-034B ASSEMBLY INSTRUCTIONS Step 4: Attach the pivot arms to the mount brackets using 5/8” X 3” bolts, pivot bushings, & 5/8” lock hex nuts. Use the model below to determine where the LH & RH pivot arms get installed. Tighten this hardware. Step 5: Install the push rods into the mount brackets then attach to the pivot arms with the 5/8”...
  • Page 35 5000-034B ASSEMBLY INSTRUCTIONS Row 1 & 2 and 2 & 3 Row 4 & 5 Row 5 & 6 Row 7 & 8 Row 8 & 9 Row 10 & 11 and 11 & 12...
  • Page 36 5000-034B ASSEMBLY INSTRUCTIONS Step 7: Install the Roller Arm Mount Tube inside the clamp channel of the pivot arms using the 5000-138 bolt bag. Do not tighten this hardware until after the rollers have been installed in Step 8. Step 8: Insert the shim washer over the shaft on each end of the roller. Install the bearing over the shaft on each end of the roller so that the side of the casting that has the bearing protruding past the housing surface is towards the roller barrel &...

  • Page 37: Operation / Maintenance / Lock Up

    OPERATION CORN HEAD ANGLE SHOULD BE BETWEEN 23 – 25° FOR OPTIMUM DEVASTATATOR PERFORMANCE. USE THE 5000-455 TO CHECK CORN HEAD ANGLE: Put the combine on a level surface. Lower the Corn head to your normal working head height. Place the magnetic protractor on the stripper plate to get the angle.

  • Page 38: Part Identification

    5000-025C 6 ROW PART IDENTIFICATION ITEM PART # DESCRIPTION 5/8 – 11 X 3 HHCS GR 5 ZP 2502-325 5/8 – 11 X 6 HHCS GR 8 ZP 2502-352 ½ – 13 X 2 ½ HHCS GR 8 2502-353 ½ – 13 X 3 ¾ HHCS GR 5 2502-365 ½...
  • Page 39 5000-025C 6 ROW PART IDENTIFICATION *SEE PREVIOUS PAGE FOR PART NUMBER REFERENCE*...
  • Page 40 5000-026C 8 ROW PART IDENTIFICATION ITEM PART # DESCRIPTION 5/8 – 11 X 3 HHCS GR 5 ZP 2502-325 5/8 – 11 X 6 HHCS GR 8 ZP 2502-352 ½ – 13 X 2 ½ HHCS GR 8 2502-353 ½ – 13 X 3 ¾ HHCS GR 5 2502-365 ½...
  • Page 41 5000-026C 8 ROW PART IDENTIFICATION *SEE PREVIOUS PAGE FOR PART NUMBER REFERENCE*...
  • Page 42 5000-027C 12 ROW PART IDENTIFICATION ITEM PART # DESCRIPTION 5/8 – 11 X 3 HHCS GR 5 ZP 2502-325 5/8 – 11 X 6 HHCS GR 8 ZP 2502-352 ½ – 13 X 2 ½ HHCS GR 8 2502-353 ½ – 13 X 3 ¾ HHCS GR 5 2502-365 ½...
  • Page 43 5000-027C 12 ROW PART IDENTIFICATION *SEE PREVIOUS PAGE FOR PART NUMBER REFERENCE*...
  • Page 44 5000-028C 16 ROW PART IDENTIFICATION ITEM PART # DESCRIPTION 5/8 – 11 X 3 HHCS GR 5 ZP 2502-325 5/8 – 11 X 6 HHCS GR 5 ZP 2502-352 ½ – 13 X 2-½ HHCS GR 8 2502-353 ½ – 13 X 3-¾ HHCS GR 5 2502-365 ½...
  • Page 45 5000-028C 16 ROW PART IDENTIFICATION *SEE PREVIOUS PAGE FOR PART NUMBER REFERENCE*...
  • Page 46 5000-034B 12 ROW FOLDING PART IDENTIFICATION ITEM PART # DESCRIPTION 5/8 – 11 X 3 HHCS GR 5 ZP 2502-325 5/8 – 11 X 6 HHCS GR 8 ZP 2502-352 ½ – 13 X 2 ½ HHCS GR 8 2502-353 ½...
  • Page 47 5000-034B 12 ROW FOLDING PART IDENTIFICATION...

  • Page 50: Troubleshooting

    TROUBLESHOOTING ISSUE CAUSE CORRECTIVE ACTION 1. Adjust head angle to 23 – 25 degrees (see page 37) Residue Plugging 1. Incorrect Head Angle 2. Roller Mount Tube 2. Make sure the Bearing Support Tab is on the backside incorrectly installed of the Roller Arm Mount Tube 3.
  • Page 51 NOTES...
  • Page 52 2565-785_Rev_F – 6/2021...

This manual is also suitable for:

5000 series5000-026c5000-027c5000-028c5000-034b

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