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Manufacturing, Inc.

www.greatplainsmfg.com

© Copyright 2021

Printed 2021-06-10

556-235Q

EN

Table of Contents

Index

Table of Contents

Index

ORIGINAL INSTRUCTIONS

Pre-Delivery Manual

Series II 7323DH, 7326DH, 7329DH,

7330DH, 7333DH & 7336DH

Disk Harrow

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.

43401

Summary of Contents for 7323DH

Page 1: ...IONS Pre Delivery Manual Series II 7323DH 7326DH 7329DH 7330DH 7333DH 7336DH Disk Harrow 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 43401 ...

Page 2: ...Table of Contents Index Table of Contents Index ...

Page 3: ...row Center Hub and Wheel Assembly 7 Wide Center Frame Assembly 8 Center Frame Gang Assembly 9 Wing Hub and Wheel Assembly 10 Hitch and Lever Link Assembly 11 7329 7336 Wing Assembly 12 Hydraulic Assembly 13 Attach Hose Clamps and Hose wraps 14 Hydraulic Hose Hookup 14 Hose Handles 14 Purging Hydraulic System 15 Light Brackets and SMV Assembly 16 Manual Gauge Wheel 17 Hydraulic Gauge Wheel 17 C Sha...

Page 4: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index iv ...

Page 5: ...n which if not avoided will result in death or serious injury This signal word is limited to the most extreme situations typically for machine components that for functional purposes cannot be guarded WARNING indicates a potentially hazardous situation which if not avoided could result in death or serious injury and includes hazards that are exposed when guards are removed It may also be used to a...

Page 6: ... relieving pressure before disconnecting hydraulic lines Use a piece of paper or cardboard NOT BODY PARTS to check for suspected leaks Wear protective gloves and safety glasses or goggles when working with hydraulic systems If an accident occurs seek immediate medical assistance from a physician familiar with this type of injury Use Safety Lights and Devices Slow moving tractors and towed implemen...

Page 7: ... use wheel handling equipment adequate for weight involved Safety At All Times Thoroughly read and understand the instructions in this manual before operation Read all instructions noted on the safety decals Be familiar with all machine functions Operate machinery from the driver s seat only Do not leave machine unattended with tractor engine running Do not stand between the tractor and machine du...

Page 8: ...arious finishing attachments are also available to further smooth redistribute residue kill weeds and break clods Models Covered Document Family Tools Required Basic Hand Tools Torque Wrench Fork Truck Overhead Hoist or Loader Pre assembly Checklist 1 Before assembling read and understand Important Safety Information in front part of this manual 2 Have at least two people on hand while assembling ...

Page 9: ...oper part s identification As a ref erence keep the operator s and part s manual on hand while assembling The information in this manual is current at printing Some parts may change to assure top performance Definitions The following terms are used throughout this manual A crucial point of information related to the preceding topic Read and follow the directions to remain safe avoid serious damage...

Page 10: ...he maneuvering area needed for unloading the Disk Harrow Unload Disk Harrow 5 Double check that all chains and tie down straps have been released and stowed 6 Set parking brake on trailer tractor 7 Slowly lift the Disk Harrow off trailer bed using two fork lifts 8 Stop lifting about 12 above the bed 9 Have the truck driver slowly pull the trailer straight out from under the Disk Harrow 10 Making s...

Page 11: ...ll enough to allow for installation of the wheel hubs and tires as shown See Wide Center Frame on page 8 for Models 7330 7336 2 Bolt on rear fold bracket with 3 4 x 21 2 hex bolts and secure with 3 4 lock washers and 3 4 nuts 3 Remove 1 2 x 4 1 2 Gr 5 hex bolt from walking beam Slide the hub spindle assembly into the walking beam and reinstall the hex bolt and secure with 1 2 lock nut The center u...

Page 12: ...d 1 2 top lock nuts 9 Remove 1 2 x 4 1 2 Gr 5 hex bolt from the walking beams Slide the hub spindle assembly into the walking beam and reinstall the hex bolt and secure with 1 2 lock nut The center uses 380 55R 16 5 tires while the wings have 12 5Lx15 tires 10 Install tire wheel to hub assembly with 5 8 lug nuts 11 Fasten center lift cylinders base end to center frame and rod end to torque tube wi...

Page 13: ...he left front gang on the center section You may also refer to the machine layout section for placement The gang assembly will be the same on both the narrow and wide center 13 Remove the 1 x 3 Gr 8 hex bolts Align holes in plates of gang assemblies to center frame plates secure with 1 x 3 Gr 8 hex bolts 1 lock washers and 1 nuts 14 Bolts may be tightened to specs See Torque Values Chart on page 1...

Page 14: ...section on stands that are tall enough to allow for installation of the pre assembled gang bars 16 Remove the 1 2 x 4 1 2 hex bolts and slide in the hub spindle assembly to walking beam assembly secure with the 1 2 x 4 1 2 hex bolts secure with 1 2 lock washers and 1 2 nuts Install tire wheel 12 5Lx15 tire wheel assembly to hub assembly with 9 16 lug nuts 17 Bolts may be tightened to specs See Tor...

Page 15: ...o pivot freely 19 Remove the tongue jack from its storage location at rear of hitch and install it on the jack stub at the front of the hitch frame to support the front side of hitch 20 Connect the bottom of leveling turnbuckle to rear of hitch with 1 1 4 x 6 Gr 5 special thread bolt and 1 nylon lock nut do not torque bolt connect the top of the turnbuckle to the middle hole of leveler assembly wi...

Page 16: ...r gang bars using the hinge pins 1 2 x 21 2 pin spirol 1 flat washer and 1 top lock nut 25 Set the wing frame on the gang bars and attach with 1 x 3 Gr 8 hex bolts 1 lock washer and 1 nut Do not hook up rod end of fold cylinder until system is purged of air See Purging Hydraulic System on page 15 26 Install the 8 bolt hub and spindle assembly if not already to the wing walking beam with 1 2 x 4 1 ...

Page 17: ...bulkhead fittings located on the front of the center section The bottom set of fittings are for the lift hydraulics the middle fittings are for the fold hydraulics and the top fittings are for the level hydraulics There is an empty set of spaces for auxiliary fittings See inset picture 30 See Attach Hose Clamps and Hose wraps on page 14 for proper assembly Refer to Figure 11 31 Connect the hoses f...

Page 18: ...hoses on the same hydraulic circuit refer to hose handles The hose under an extended cylinder symbol feeds a cylinder base end The hose under a retracted cylinder symbol feeds a cylinder rod end 37 Once all hoses are tightened hook hoses to tractor Color Hydraulic Function Black Lift 2 hoses Green Fold 2 hoses Red Hydraulic Level 2 hoses Yellow Auxiliary Optional 2 Hoses Figure 12 Hose Clamp Assem...

Page 19: ... of the cylinders are un bolted or un pinned and a block is under the cylinders as shown so that when the rod is extended it will clear the wing fold brackets Extend the fold cylinders green handles completely and then close them Extend and retract the cylinders several times to purge air from the system Now the cylinders may be extended far enough to be connected to the wing fold brackets 40 The ...

Page 20: ...eld operation and the wings while folding and unfolding 44 Attach red lights and the SMV sign on the wing stops with the bolts lock washers and the nuts provide in the locations shown 45 Connect the wiring harness leads marked right and left red and amber to the appropriate side of the machine for turn signals to be correct For the amber lights thread the wires through the light bracket tubing bef...

Page 21: ...r the lubrications for this machine If there is any rear attachment it should be installed at this time Hydraulic Gauge Wheel Refer to Figure 17 50 When light brackets are installed unfold the disk and watch that everything clears the brackets Install the hydraulic gauge wheel assembly if applicable with the 3 4 x 2 hex bolts 3 4 lock washers and 3 4 nuts to wing frame as shown Connect hydraulic c...

Page 22: ... 20 Refer to the lubrication section of the Operators Manual for the lubrications for this machine If there is any rear attachment it should be installed at this time If machine is equipped with a rear attachment be sure you install the rear jack stand see Parts Manual Rear Jack Stand so machine doesn t tip backwards when unhooking machine from tractor 55 Once the options are installed fold the Di...

Page 23: ...3 4 16 260 405 570 M20 X 2 5 280 440 610 7 8 9 225 585 820 M20 X 1 5 310 650 900 7 8 14 250 640 905 M24 X 3 480 760 1050 1 8 340 875 1230 M24 X 2 525 830 1150 1 12 370 955 1350 M30 X 3 5 960 1510 2100 11 8 7 480 1080 1750 M30 X 2 1060 1680 2320 11 8 12 540 1210 1960 M36 X 3 5 1730 2650 3660 11 4 7 680 1520 2460 M36 X 2 1880 2960 4100 11 4 12 750 1680 2730 13 8 6 890 1990 3230 a in tpi nominal thre...

Page 24: ...ed threads no cone flare and no O ring Apply liquid pipe sealant for hydraulic applications Do not use tape sealant which can clog a filter and or plug an orifice JIC Joint Industry Conference SAE J514 Note straight threads and the 37 cone on M fittings or 37 flare on F fittings Use no sealants tape or liquid on JIC fittings ORB O Ring Boss SAE J514 Note straight threads and elastomer O Ring Prior...

Page 25: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 21 2021 06 10 Table of Contents Index 556 235Q Narrow Center Hydraulic Lift Layout eps 100 43467 ...

Page 26: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 22 Wide Center Hydraulic Lift Layout eps 100 43468 ...

Page 27: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 23 2021 06 10 Table of Contents Index 556 235Q 7323 Hydraulic Fold Layout eps 97 43481 ...

Page 28: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 24 7326 7336 Hydraulic Fold Layout eps 97 43480 ...

Page 29: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 25 2021 06 10 Table of Contents Index 556 235Q Hydraulic Level Layout 7323 7336 eps 97 43482 ...

Page 30: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 26 7323DH Machine Layout eps 96 43429 ...

Page 31: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 27 2021 06 10 Table of Contents Index 556 235Q 7323DH Machine Layout eps 96 43430 ...

Page 32: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 28 7326DH Machine Layout eps 96 43431 ...

Page 33: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 29 2021 06 10 Table of Contents Index 556 235Q 7326DH Machine Layout eps 96 43432 ...

Page 34: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 30 7329DH Machine Layout eps 96 43433 ...

Page 35: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 31 2021 06 10 Table of Contents Index 556 235Q 7329DH Machine Layout eps 96 43434 ...

Page 36: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 32 7330DH Machine Layout eps 96 43435 ...

Page 37: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 33 2021 06 10 Table of Contents Index 556 235Q 7330DH Machine Layout eps 96 43436 ...

Page 38: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 34 7333DH Machine Layout eps 96 43437 ...

Page 39: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 35 2021 06 10 Table of Contents Index 556 235Q 7333DH Machine Layout eps 96 43438 ...

Page 40: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 36 7336DH Machine Layout eps 96 43439 ...

Page 41: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 37 2021 06 10 Table of Contents Index 556 235Q 7336DH Machine Layout eps 96 43440 ...

Page 42: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 38 7323DH 3 Bar Spike HR Drag Layout eps 96 43483 ...

Page 43: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 39 2021 06 10 Table of Contents Index 556 235Q 7323DH 3 Bar Coil Tine Layout eps 96 43441 ...

Page 44: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 40 7323DH Finishing Reel Layout eps 96 43476 ...

Page 45: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 41 2021 06 10 Table of Contents Index 556 235Q 7323DH Conditioner Reel Layout eps 96 TP 69465 ...

Page 46: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 42 7326DH 3 Bar Spike HR Drag Layout eps 96 43484 ...

Page 47: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 43 2021 06 10 Table of Contents Index 556 235Q 7326DH 3 Bar Coil Tine Layout eps 96 43442 ...

Page 48: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 44 7326DH Finishing Reel Layout eps 96 43475 ...

Page 49: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 45 2021 06 10 Table of Contents Index 556 235Q 7326DH Conditioner Reel Layout eps 96 TP 69464 ...

Page 50: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 46 7329DH 3 Bar Spike HR Drag Layout eps 96 43485 ...

Page 51: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 47 2021 06 10 Table of Contents Index 556 235Q 7329DH 3 Bar Coil Tine Layout eps 96 43443 ...

Page 52: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 48 7329DH Finishing Reel Layout eps 96 43477 ...

Page 53: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 49 2021 06 10 Table of Contents Index 556 235Q 7329DH Conditioner Reel Layout eps 96 TP 69643 ...

Page 54: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 50 7330DH 3 Bar Spike HR Drag Layout eps 96 43486 ...

Page 55: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 51 2021 06 10 Table of Contents Index 556 235Q 7330DH 3 Bar Coil Tine Layout eps 96 43444 ...

Page 56: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 52 7330DH Finishing Reel Layout eps 96 43478 ...

Page 57: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 53 2021 06 10 Table of Contents Index 556 235Q 7330DH Conditioner Reel Layout eps 96 TP 69462 ...

Page 58: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 54 7333DH 3 Bar Spike HR Drag Layout eps 96 43487 ...

Page 59: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 55 2021 06 10 Table of Contents Index 556 235Q 7333DH 3 Bar Coil Tine Layout eps 96 43445 ...

Page 60: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 56 7333DH Finishing Reel Layout eps 96 43479 ...

Page 61: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 57 2021 06 10 Table of Contents Index 556 235Q 7333DH Conditioner Reel Layout eps 96 TP 69461 ...

Page 62: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 58 7336DH 3 Bar Spike HR Drag Layout eps 96 43488 ...

Page 63: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 59 2021 06 10 Table of Contents Index 556 235Q 7336DH 3 Bar Coil Tine Layout eps 96 43446 ...

Page 64: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 60 7336DH Finishing Reel Layout eps 96 43469 ...

Page 65: ...Series II Disk Harrow Table of Contents Index Appendix Reference Information 61 2021 06 10 Table of Contents Index 556 235Q 7336DH Conditioner Reel Layout eps 96 TP 69460 ...

Page 66: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index Appendix Reference Information 62 ...

Page 67: ...ine 30 31 7329 S3T HR Spike 46 7329 3 bar heavy coil tine 47 7329 3 conditioner reel 49 7329 3 finishing reel 48 7330 Conditioner Reel 53 7330 Finishing Reel 52 7330 machine 32 33 7330 S3T HR Spike 50 7333 Conditioner Reel 57 7333 Finishing Reel 56 7333 machine 34 35 7333 S3T HR Spike 54 7333 3 bar heavy coil tine 55 7336 Conditioner Reel 61 7336 Finishing Reel 60 7336 machine 36 37 7336 S3T HR Sp...

Page 68: ...2021 06 10 Table of Contents Index 556 235Q Series II Disk Harrow Table of Contents Index 60 ...

Page 69: ...Table of Contents Index Table of Contents Index ...

Page 70: ...Great Plains Mfg 1525 E North St P O Box 5060 Salina KS 67402 ...

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