Operator’s Manual Series VII 6330, 6332, 6538, 6539, 6541, 6544, 6546 & 6548 Field Cultivator, Floating Hitch ! 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. 00399 Cover illustration may show optional equipment not supplied with standard unit.
Great Plains Mfg., Inc. First Page ► Table of Contents Table of Contents Important Safety Information .......................... 1 Safety Rules................................................... 6 Safety Decals ................................................ 7 Introduction ........................................................ 12 Description of Unit ........................................ 12 Using this Manual ........................................ 12 Definitions.....................................
Important Safety Information Great Plains Mfg., Inc. Important Safety Information Look for Safety Symbol The SAFETY ALERT SYMBOL indicates there is a potential hazard to personal safety involved and extra safety precaution must be taken. When you see this symbol, be alert and carefully read the message that follows it.
Important Safety Information Great Plains Mfg., Inc. Be Familiar with Safety Decals • Read and understand “Safety Decals,” page 7, thoroughly. • Read all instructions noted on the decals. Keep Riders Off Machinery • Riders obstruct the operator’s view. Riders could be struck by foreign objects or thrown from the machine. • Never allow children to operate equipment. • Keep all bystanders away from machine during operation.
Great Plains Mfg., Inc. Important Safety Information Transport Machinery Safely Maximum transport speed for implement is 20 mph. Some rough terrains require a slower speed. Sudden braking can cause a towed load to swerve and upset. • Do not exceed 20 mph. Never travel at a speed which does not allow adequate control of steering and stopping. Reduce speed if towed load is not equipped with brakes. • Comply with state and local laws.
Important Safety Information Great Plains Mfg., Inc. Practice Safe Maintenance • Understand procedure before doing work. Use proper tools and equipment. Refer to this manual for additional information. • Work in a clean, dry area. • Lower the Series VII Field Cultivator, put tractor in park, turn off engine, and remove key before performing maintenance. • Make sure all moving parts have stopped and all system pressure is relieved. • Inspect all parts.
Important Safety Information Great Plains Mfg., Inc. Handle Chemicals Properly • Agricultural chemicals can be dangerous. Improper use can seriously injure persons, animals, plants, soil and property. • Read and follow chemical manufacturer’s instructions. • Wear protective clothing. • Handle all chemicals with care. • Avoid inhaling smoke from any type of chemical fire. • Store or dispose of unused chemicals as specified by chemical manufacturer.
Important Safety Information Great Plains Mfg., Inc. Safety Rules • Thoroughly read and understand the instructions in this manual before operation. Read all instructions noted on the safety decals. • Be familiar with all Series VII Field Cultivator functions. • Operate machinery from the driver’s seat only. • Do not leave Series VII Field Cultivator unattended with tractor engine running.
Great Plains Mfg., Inc. Table of Contents ► Important Safety Information Safety Decals Your implement comes equipped with all safety decals in place. They were designed to help you safely operate your implement. • Read and follow decal directions. • Keep all safety decals clean and legible. • Replace all damaged or missing decals. Order new decals from your Great Plains dealer. Refer to this section for proper placement.
Important Safety Information Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Important Safety Information Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Introduction Table of Contents ► Great Plains Mfg., Inc. Introduction Great Plains welcomes you to its growing family of new product owners. This implement has been designed with care and built by skilled workers using quality materials. Proper assembly, maintenance and safe operation will help you get years of satisfactory machine use from your machine. To ease the assembly task and produce a properly working machine, read this entire manual before assembling or setting up new equipment.
Great Plains Mfg., Inc. Table of Contents ► Introduction Assembly and Setup Assistance To order additional copies of operator’s and parts manuals, write to the following address. Include model numbers in all correspondence. If you do not understand any part of this manual or have other assembly or setup questions, assistance is available. Contact Product Support Great Plains Mfg. Inc.
Section 1: Assembly Table of Contents ► Great Plains Mfg., Inc. Assembly This section covers the proper assembly of the implement. The reference numbers on the figures give you an indication of the order of assembly. For a complete breakdown of any part not shown in this assembly section, refer to the parts manual for proper location. Refer to the Appendix for proper bolt torque values.
Great Plains Mfg., Inc. Table of Contents ► Section 1: Assembly Inside Wing and Wheel Arm Assembly Bolt the inside wing frames (1) Figure 2, to the center frame with two 1 x 6 hex bolts (2) with nylon lock nuts (3). Draw the nuts down tight but do not torque. Once the wings are attached, insert the wheel arm bracket (4) into the wing frame hangers and secure it just as you did on the center with 1 1/4 x 6 pins (5). Secure the pins with 3/8 x 2 1/4 Gr.8 hex bolts (6) & top lock nuts.
Section 1: Assembly Table of Contents ► Great Plains Mfg., Inc. Brace Bar, Wing Brace & Rocker/Fold Bracket Assembly Install the 1 x 7 1/2 eye bolt (1) Figure 3, in the mounting bracket at the back of the wing with a 1” jam nut on each side of the bracket. Install the 3 1/4 x 8 rephasing wing cylinder (2) between the eyebolt and the lever on the wheel bracket. Secure the cylinder with 1 x 3 clevis pins, 1” machine washer and 3/16 x 2 cotter pin.
Great Plains Mfg., Inc. Table of Contents ► Section 1: Assembly Center Level Bar Assembly Slide the H-bracket (1) down over the cylinder mount tube as shown in Figure 4. Bolt in place with a 3/4 x 8 bolt (2) and lock nut. Draw this nut up but do not torque, as this part must pivot. Connect the level bars (3) and (4) to the torque tube using two 1 x 3 3/8 usable clevis pins (5), 1” flat washers, 1” machine washers and 3/16 x 2 cotter pins. Install the 1 1/4 x 13 1/2 Gr.
Section 1: Assembly Table of Contents ► Great Plains Mfg., Inc. Center Caster Wheel Linkage & Hitch Pole Assembly Bolt the center fold bars (1) to the center frame as shown in Figure 5. Use 3/4 x 2 1/2 hex bolts (2) with lock washers & hex nuts. Bolt the center frame truss (3) to the center frame using 5/8 x 1 1/2 hex bolts (4), lock washers and hex nuts, and 3/4 x 2 hex bolts (5) with lock washers and hex nuts.
Great Plains Mfg., Inc. Table of Contents ► Section 1: Assembly Outside Wing Assembly On 5-section models, assemble the outside wing (1) by attaching the outside hinges (2) to the wing with 1 x 6 hex bolt (3) and 5/8 x 3 x 5 1/2 u-bolts (4) as shown in Figure 6. Use a nylon lock nut on the 1 x 6 hex bolt (3) with lock washers and hex nuts on the u-bolt. Attach the 180 degree rocker (5), bulge side out, with the 1 x 3 headed pin (6), 1” machine washer and 3/16 x 2 cotter pin.
Section 1: Assembly Table of Contents ► Great Plains Mfg., Inc. Connecting Outside Wing and Wing Brace Assembly On 5-section models, bolt the outside wing assembly (1) to the inside wing frame with Gr.8, 1 x 6 hex bolts, 1 3/4 thread (2) Figure 7, securing with 1” nylon lock nuts. Bolt the outside wing brace (3) to the plate on the outside wing with 5/8 x 1 1/2 bolts (4), with lock washers and hex nuts.
Great Plains Mfg., Inc. Table of Contents ► Section 1: Assembly Wing Caster Wheel Linkage Assembly Insert the wing level bar (1) through the hole in the rocker fold bracket as shown in Figure 8. Attach the wing level bar (1) to the wheel bracket with a 1 x 3 3/8 usable clevis pin (2), 1” flat washers, 1” machine washer and 3/16 x 2 cotter pin. Slide the leveling link (3) over the leveling link mounting tube and attach with a 1 x 6 special thread GR 8 hex bolt (4) and nylon lock nut, do not torque.
Section 1: Assembly Table of Contents ► Great Plains Mfg., Inc. Center Lift Cylinder, Rest Pads and Hydraulic Valves Assembly Connect the two 3 1/2 x 8 main lift cylinders (1) to the center frame as in Figure 9. Connect the rod ends to the lugs on the Hbracket. Place a 1” flat washer on each side of the lug on the H-bracket to keep the hardened bushings from coming out. Secure the cylinders with 1 x 3 1/2” clevis pins (2), 1” machine washers and 3/16 x 2 cotter pins.
Great Plains Mfg., Inc. Table of Contents ► Section 1: Assembly Fold Cylinders, Rocker Arm and 3” Rollers Assembly Connect the center fold 4 x 24 cylinders (1) to the center fold bracket as shown in Figure 10. Use the 1” x 3 1/2 clevis pin (2) with 1” machine washer and 3/16 x 2 cotter pin. Attach the 5¾” (3-section) or 6 1/2” rocker (5-section) (3) to rocker bracket with 1 x 3 Headed Pin (4) using 1” machine washer and 3/16 x 2 cotter.
Section 1: Assembly Table of Contents ► Great Plains Mfg., Inc. Center Wing Stop and Outside Wing Stop Assembly U-bolt the center wing stop (1) to the second bar from the rear on the center frame as shown in Figure 13. Use 5/8 x 4 x 4 1/4 ubolts (2) with lock washers and hex nuts. Center the wing stop from side to side. Insert the 1/2 x 4 1/2 transport lock quick pins (3) in the holders on the wing stop.
Great Plains Mfg., Inc. Table of Contents ► Section 1: Assembly Gauge Wheel Assembly U-bolt the gauge wheel bracket (1) to the front bar of inside wing brace as shown in Figure 14 using the 5/8 x 4 x 4 1/4 u-bolts (2), lock washers and hex nuts. Slide the gauge wheel arm/hub assembly (3) up into the gauge wheel bracket (1) and pin with the 3/4 x 4 1/2 pin (4). Use four 1/2 x 1 hex bolts (5) to secure the arm and make it rigid. Bolt on the 4-bolt rim and tire (6) with four 1/2 x 1 lug bolts (7).
Section 1: Assembly Table of Contents ► Great Plains Mfg., Inc. Completing Setup Install the plastic end caps into all the open ends of all the 4x3 frame tubes. You should now be ready to add shanks to the machine and then if the machine has a finishing attachment you would install it following the shanks. See the shank layout section 4 for proper shank locations for your unit. Section 3 in this manual shows the individual shank assemblies and parts for both the K-flex and magnum shanks.
Great Plains Mfg., Inc.
Section 2: Hydraulics Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 2: Hydraulics Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Shank Placement Table of Contents ► Great Plains Mfg., Inc.
Great Plains Mfg., Inc.
Section 4: Operating and Maintenance Table of Contents ► Great Plains Mfg., Inc. Operating and Maintenance Prior to Going to the Field 1. Both dealer and customer read and thoroughly understand all safety recommendations. (These are found in the Safety Section of this operator manual.) 2. Make sure your tractor horsepower matches the implement you are pulling. This is important so the implement can do the best possible job. 8. Pre-leveling of machine can be done on a concrete slab or good level surface.
Great Plains Mfg., Inc. Table of Contents ► 10. Check safety chain hookup. Make sure all warning lights are hooked up and functioning correctly. 11. Check the tire pressure for proper inflation and check the tightness of the lug bolts. Tire pressure amounts are located on the sidewall of each tire. Section 4: Operating and Maintenance 12. Check for any bolts that may need tightened or retightened. Grease all the hinge points. The hubs come pre greased and will not need more grease at this time. 13.
Section 4: Operating and Maintenance Table of Contents ► first row of teeth. Always make sure that the drag is never pulling off the hang chains. If so, shorten pull chains. b.) On coil tine drags, start with the top eyebolt (12) centered. Then level drag mainframe (4R and 4L) by changing position of leveling bolt (21). There are two holes in the arm and four in the mainframe. One of these will get you where you need to be to level.
Great Plains Mfg., Inc. Table of Contents ► Section 4: Operating and Maintenance Maintenance and Lubrication 1. Always use the transport lock when working or doing maintenance on the Field Cultivator. If folded, be sure your wing stop pins are in place. Read and understand all safety decals on your equipment. 2. During the first season of operation, and periodically after that, check your bolts for tightness.
Section 5: Specifications and Capacities Table of Contents ► Great Plains Mfg., Inc. Specifications and Capacities 3-Section Field Cultivator Specifications Model No.
Great Plains Mfg., Inc.
Appendix Table of Contents ► Great Plains Mfg., Inc. Warranty Great Plains Manufacturing, Incorporated warrants to the original purchaser that this tillage equipment will be free from defects in material and workmanship for a period of one year from the date of original purchase when used as intended under normal service conditions for personal use; 90 days for commercial or rental purposes.
