GREAT PLAINS CT8300 Assembly Manual
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GREAT PLAINS CT8300 Assembly Manual

Flex harrow
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Read the operator's manual entirely. When you see this symbol, the
subsequent instructions and warnings are serious - follow without
exception. Your life and the lives of others depend on it!
Illustrations may show optional equipment not supplied with standard unit.
ORIGINAL INSTRUCTIONS
© Copyright 2022
Table of Contents
Index
Assembly Manual
CT8300 Flex Harrow
CT8300-18 - CT8300-60
Manufacturing, Inc.
www.greatplainsmfg.com
Printed 2022-10-31
Index
TP-77051
EN
564-278Q-ENG

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Summary of Contents for GREAT PLAINS CT8300

  • Page 1 Table of Contents Index Assembly Manual CT8300 Flex Harrow CT8300-18 - CT8300-60 Manufacturing, Inc. www.greatplainsmfg.com Read the operator’s manual entirely. When you see this symbol, the subsequent instructions and warnings are serious - follow without exception. Your life and the lives of others depend on it! TP-77051 Illustrations may show optional equipment not supplied with standard unit.
  • Page 2 CT8300 Flex Harrow Table of Contents Index Great Plains | 564-278Q-ENG | 2022-10-31 Table of Contents Index...

  • Page 3: Ct8300-48 Drag Arm

    Great Plains Manufacturing, Inc. assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein. Great Plains Manufacturing, Inc. reserves the right to revise and improve its products as it sees fit.
  • Page 4 CT8300 Flex Harrow Table of Contents Index Great Plains | 564-278Q-ENG | 2022-10-31 Table of Contents Index...

  • Page 5: Decals

     Read and understand the “Safety Decals” section of the Operators Manual.  Read all instructions noted on the decals.  Keep decals clean. Replace damaged, faded and illegible decals. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 6  Lower implement, put tractor in park, turn off engine, and remove the key.  Secure Flex Harrow using blocks and supports provided.  Detach and store Flex Harrow in an area where children normally do not play. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 7  Wear snug-fitting clothing to avoid entanglement with moving parts.  Watch out for wires, trees, etc., when folding and raising machine. Make sure all persons are clear of working area. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 8: Fork Truck

    Table of Contents Index Introduction Introduction The CT8300 Flex Harrow has been designed with care and built by skilled workers using quality materials. Proper setup, TP-77051 maintenance, and safe operating practices will help the customer get years of satisfactory use from the machine.
  • Page 9 • The frame will be shipped partially assembled, • All fasteners, cables hoses and light brackets will be shipped in a box. • Drag Harrows will be sent banded together. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 10 Watch out for load swing as it leaves ground contact. Further Assistance Great Plains Manufacturing, Inc. wants you to be satisfied with your new Flex Harrow. If for any reason you do not understand any part of this manual or are otherwise dissatisfies...
  • Page 11 The walking beam pivot pin (4) will need to be installed through the walking beam, secured with a hex bolt (5) and   lock nut.  Install hubs(6) and tires(7), use corresponding hardware to secure to walking beam. TP-77096 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 12 Attach center wing frame (6) to center frame assembly (1), re-install the pins (5), x 2 hex bolts (4) and lock   nuts to secure. TP-77056 TP-77094 CT8300-57 & 60 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 13  This bolt may need to be adjusted up or down so that the wings fold in and rest in the wing cradles. This measurement will very depending on the model of the machine.  TP-77097 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 14 (14) lock washers and   nuts. 22. Once the gauge wheel bracket (11) is attached install the hub and tire (15). Use hex bolt (16) and    lock nut. TP-77099 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 15 CT8300 Flex Harrow Table of Contents Index Assembly This Page Intentionally Left Blank. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 16 CT8300 Flex Harrow Table of Contents Index Assembly Hydraulics Models CT8300-18 to 30  Hoses will be installed at the factory on the hitch and on the center frame. They will need hooked together at the TP-77091 bulk head fittings plate. See Hydraulics in “Parts Manual”...
  • Page 17 CT8300 Flex Harrow Table of Contents Index Assembly TP-77093 Extend to top of Retract to bottom of Sequencing Valve Sequencing Valve Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 18 CT8300 Flex Harrow Table of Contents Index Assembly Hydraulics Models CT8300-33 to 60  Hoses will be installed at the factory on the hitch and on the center frame. They will need hooked together at the TP-77091 bulk head fittings plate. See Hydraulics in “Parts Manual”...
  • Page 19 CT8300 Flex Harrow Table of Contents Index Assembly TP-77089 Extend to top of Retract to bottom of Sequencing Valve Sequencing Valve Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 20: Hose Handles

    43972 Hydraulic Hose Hookup 32. Great Plains hydraulic hoses are color coded to help you hookup hoses to your tractor outlets. Hoses that go to the same remote valve are marked with the same color. High Pressure Fluid Hazard: Relieve pressure before disconnecting hydraulic lines.
  • Page 21 35. Extend the lift (1) and fold cylinders (2) (green Handles) (one on each side of wing cylinder ears) and 2” lock nut until cylinders are fully extended. Fully retract and extend (7). TP-77100 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 22 Table of Contents Index Assembly Drag Arms The drag arms (1) will need to be attached to the center and wing frames (2). “CT8300-18 Drag Arm Layout” starting on page 29 for locations.  x 8 Gr5 hex bolts (3), ...
  • Page 23    to be reached. Install amber lights (10) to the light brackets using 2 - hex bolts (9) and nuts.    TP-77057 TP-77095 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 24 The harrows come pre-assembled at the 50* tooth angle. All harrow sections must be installed in the same orientation, for the 50* angle this will have all the Great Plains logos on the casting toward the front of the machine.
  • Page 25 Connect the linking chains on each section, these will only be installed on sections that have more than one section. • There are no connecting links from the wings to the center sections. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 26 564-199L 564-198L 16-Row 564-186L 564-188L 564-188L 564-186L 564-186L 564-188L 564-188L 564-186L CT8300-57 8-Row 564-198L 564-199L 564-199L 564-199L 564-199L 564-199L 564-199L 564-198L 16-Row 564-186L 564-188L 564-188L 564-188L 564-188L 564-188L 564-188L 564-186L Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 27 Left Wing Center Wing Right Wing Outside Inside Left Right Inside Outside CT8300-60 8-Row 564-199L 564-199L 564-199L 564-199L 564-199L 564-199L 564-199L 564-199L 16-Row 564-188L 564-188L 564-188L 564-188L 564-188L 564-188L 564-188L 564-188L Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 28: Torque

    Secure free ends of chains (13) to arm with   bolt (15), lock washers and nuts (16). Tighten nuts only to Grade 2 torque specification. Repeat step 3 through step 8 for the other drags. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 29 (12) only to Grade 2 torque specification, to avoid crushing tube. Machine Damage Risk: Do NOT link drag sections from wing to wing. The chains are not long enough to accommodate the distance required for wing folding. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 30 Replace if damaged. See Safety Decals in “Operator’s Manual”. Inflate tires to pressure recommended and tighten wheel bolts as specified. See “Tire Inflation & Warranty” on page 28. Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 31 Torque tolerance + 0%, -15% of torquing values. Unless otherwise specified use torque values listed above. Torque Values Chart Wheel Bolt Torque Values ”-20 85ft-lbs (115nm)  ”-18 120ft-lbs (162nm)   ”-18 170ft-lbs (230nm) ”-16 295lbs (400nm)  Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 32: Inflation

    12-16 -18 ORB w/jam nut  24-33 18-24 -18 ORB straight  37-53 27-39  -16 JIC 27-41 20-30  -16 ORB w/jam nut 37-58 27-43  -16 ORB straight Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 33: Ct8300-18 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-18 Drag Arm Layout TP-77072 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 34: Ct8300-21 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-21 Drag Arm Layout TP-77073 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 35: Ct8300-24 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-24 Drag Arm Layout TP-77074 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 36: Ct8300-27 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-27 Drag Arm Layout TP-77075 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 37: Ct8300-30 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-30 Drag Arm Layout TP-77076 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 38: Ct8300-33 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-33 Drag Arm Layout TP-77077 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 39: Ct8300-39 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-36 Drag Arm Layout TP-77078 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 40: Ct8300-39 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-39 Drag Arm Layout TP-77079 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 41 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-39 Drag Arm Layout TP-77079 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 42: Ct8300-42 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-42 Drag Arm Layout TP-77080 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 43 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-42 Drag Arm Layout TP-77080 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 44: Ct8300-45 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-45 Drag Arm Layout TP-77081 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 45 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-45 Drag Arm Layout TP-77081 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 46: Ct8300-48 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-48 Drag Arm Layout TP-77082 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 47 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-48 Drag Arm Layout TP-77082 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 48 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-51 Drag Arm Layout TP-77083 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 49 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-51 Drag Arm Layout TP-77083 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 50: Ct8300-54 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-54 Drag Arm Layout TP-77084 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 51 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-54 Drag Arm Layout TP-77084 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 52: Ct8300-57 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-57 Drag Arm Layout TP-77085 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 53 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-57 Drag Arm Layout TP-77085 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 54: Ct8300-60 Drag Arm

    CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-60 Drag Arm Layout TP-77086 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 55 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information CT8300-60 Drag Arm Layout TP-77086 Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...
  • Page 56 CT8300 Flex Harrow Table of Contents Index Appendix - Reference Information Great Plains | 564-278Q-ENG | 10/31/2022 Table of Contents Index...

  • Page 57: Table Of Contents

    CT8300-30 Drag Arm ....33 URLs, tires ......... 28 CT8300-33 Drag Arm ....34 CT8300-36 Dram Arm ....35 WARNING, defined ......1 CT8300-39 Drag Arm ... 36 warranty ..........28 CT8300-42 Drag Arm ... 38 www ........... 28 CT8300-45 Drag Arm ... 40...
  • Page 58 CT8300 Flex Harrow Table of Contents Index Great Plains | 564-278Q-ENG | 2022-10-31 Table of Contents Index...
  • Page 59 Table of Contents Index Table of Contents Index...
  • Page 60 Table of Contents Index Great Plains, Mfg. 1525 E. North St. P.O. Box 5060 Salina, KS 67402...

This manual is also suitable for:

Ct8300-18Ct8300-21Ct8300-24Ct8300-27Ct8300-30Ct8300-33 ... Show all

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