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Unverferth ROLLING HARROW 1645 Manual

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Seedbed Tillage
ROLLING HARROW
1645/1645D
®
Soil Conditioner
47' - 59' 5-Section Vertical-Fold Models
Serial # A63210100 & Higher
Part NUMBER 76402

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Summary of Contents for Unverferth ROLLING HARROW 1645

  • Page 1 Seedbed Tillage ROLLING HARROW 1645/1645D ® Soil Conditioner 47’ - 59’ 5-Section Vertical-Fold Models Serial # A63210100 & Higher Part NUMBER 76402...
  • Page 2 Vertical-Fold Rolling Harrow 1645/1645D — Introduction Foreward This symbol identifies important safety messages. When you see it, read the mes- sage that follows and be alert to the possibility of personal injury. Remember, safety instructions stated in this manual are for your protection. Read them care- fully and follow them closely when working around or using this machine.

  • Page 3: Product Information

    The information, specifications, and illustrations in the manual are on the basis of information avail- able at the time it was written. Due to continuing improvements in the design and manufacture of Unverferth products, all specifications and information contained herein are subject to change without notice.

  • Page 4: Table Of Contents

    Vertical-Fold Rolling Harrow 1645/1645D — Introduction Table of Contents Foreward ............................2 Product Information ........................3 SECTION I Safety General Hazard Information ....................... 1-2 Safety Decals ..........................1-3 Following Safety Instructions ..................... 1-4 Before Servicing ......................... 1-4 Before Operating ........................1-5 During Operation ........................1-5 Before Transporting ........................
  • Page 5 Vertical-Fold Rolling Harrow 1645/1645D — Introduction Table of Contents SECTION II Set Up General Set Up Information ....................... 2-2 15’ Base Shipping Bundles ....................... 2-3 15’ Base, 16-20’ Wing Shipping Bundles ................. 2-4 Optional Shipping Bundles & Accessories ................. 2-6 Main Frame/Tire &...
  • Page 6 Vertical-Fold Rolling Harrow 1645/1645D — Introduction Table of Contents SECTION III Operation General Operation Information ....................3-2 Preparing Tractor ........................3-2 Preparing Primary Tillage Tool ....................3-3 Rear Hitch On Primary Tillage Tool ..................3-3 Preparing Rolling Harrow ......................3-4 Tires and Wheels ........................
  • Page 7 Vertical-Fold Rolling Harrow 1645/1645D — Introduction Table of Contents SECTION IV Maintenance Storage ............................4-2 Lubrication ..........................4-2 Replacing Rolling Harrow Basket Bearings ................4-4 Replacing Spring Assemblies ..................... 4-5 Hub Maintenance ........................4-6 Hydraulic System ........................4-7 Troubleshooting ........................... 4-9 Torque Chart ..........................
  • Page 8 Vertical-Fold Rolling Harrow 1645/1645D — Introduction Notes...

  • Page 9: Section I

    Vertical-Fold Rolling Harrow 1645/1645D — Safety SECTION I Safety General Hazard Information ....................... 1-2 Safety Decals ..........................1-3 Following Safety Instructions ..................... 1-4 Before Servicing ......................... 1-4 Before Operating ........................1-5 During Operation ........................1-5 Before Transporting ........................1-5 During Transport ......................... 1-6 Pressurized Oil ...........................

  • Page 10: General Hazard Information

    It is said that, “the best kind of a safety device is a careful operator.” We, at Unverferth Mfg. Co., Inc. ask that you be that kind of operator.

  • Page 11: Safety Decals

    Vertical-Fold Rolling Harrow 1645/1645D — Safety Safety Decals PART NUMBER 901891 PART NUMBER 97575 PART NUMBER 95136 PART NUMBER 97961 PART NUMBER 95605 PART NUMBER 95445 PART NUMBER 98229 PART NUMBER 94094 PART NUMBER 9003127 Amber Reflector PART NUMBER 9829...

  • Page 12: Following Safety Instructions

    Vertical-Fold Rolling Harrow 1645/1645D — Safety Following Safety Instructions • Read and understand this operator’s manual before operating. • All machinery should be operated only by trained and authorized personnel. • To prevent machine damage, use only attachments and service parts approved by the manufacturer.

  • Page 13: Before Operating

    Vertical-Fold Rolling Harrow 1645/1645D — Safety Before Operating • Do not stand between towing vehicle and implement during hitching. • Always make certain everyone and everything is clear of the machine before beginning operation. • Verify that all safety shields are in place and properly secured.

  • Page 14: During Transport

    Vertical-Fold Rolling Harrow 1645/1645D — Safety During Transport • Comply with all laws governing highway safety when moving machinery. • Use transport lights as required by all laws to adequately warn operators of other vehicles. • Use good judgment when transporting equipment on highways.

  • Page 15: Preparing For Emergencies

    Vertical-Fold Rolling Harrow 1645/1645D — Safety Preparing for Emergencies • Keep a first aid kit and properly rated fire extinguisher nearby. • Keep emergency numbers for fire, rescue, and poison control personnel near the phone. Wearing Protective Equipment • Wear clothing and personal protective equipment appropriate for the job.
  • Page 16 Vertical-Fold Rolling Harrow 1645/1645D — Safety Notes...
  • Page 17 Vertical-Fold Rolling Harrow 1645/1645D — Set Up SECTION II Set Up General Set Up Information ....................... 2-2 15’ Base Shipping Bundles ....................... 2-3 15’ Base, 16-20’ Wing Shipping Bundles ................. 2-4 Optional Shipping Bundles & Accessories ................. 2-6 Main Frame/Tire & Wheel ......................2-7 Hitch ............................

  • Page 18: General Set Up Information

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up General Set Up Information This section contains all of the instructions required for the complete assembly of the entire Rolling Harrow soil conditioner. For your safety, and the safety of others, use proper tools and equipment and always use safe working procedures.

  • Page 19: 15' Base Shipping Bundles

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Rolling Harrow - 15’ Base Shipping Bundles Depending on the model you ordered, you should have received the following bundles: ITEM 17679 75351@ 75532@ 76525@ 76399@ OM88473 88480@ 76403@ 76396@ 91324 9501494 9501495...

  • Page 20: 15' Base, 16-20' Wing Shipping Bundles

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Rolling Harrow - 15’ Base 16’-20’ Wing Shipping Bundles...
  • Page 21 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Rolling Harrow - 15’ Base 16’-20’ Wing Shipping Bundles PART NUMBER WING SIZE - QTY. ITEM DESCRIPTION MODEL 1645 MODEL 1645D 16’ 17’ 18’ 19’ 20’ 60911 60911 Mounted Tire & Wheel W815-6-08 75349B Basket &...

  • Page 22: Optional Shipping Bundles & Accessories

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Optional Shipping Bundles & Accessories PART NUMBER DESCRIPTION NOTES 91240 Check Valve 76529G/76529R Hydraulically Adjustable Offset Tongue 73393 Electric over Hydraulic Control Switch for Offset Tongue...

  • Page 23: Main Frame/Tire & Wheel

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Main Frame/Tire & Wheel 1. Using hoist or lifting devices rated at 2,500 lbs. minimum, lift main frame assembly (76399G or 76399R) onto stands rated at 1,250 lbs. each, approximately 30-36” tall, and will span the width of the frame as shown in FIG.
  • Page 24 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Main Frame/Tire & Wheel (continued) 4. Install the outside mounted tire and wheel assemblies (17679) to the main frame as- 9/16-18UNF Wheel Bolts sembly as shown in FIG. 2-4. Torque wheel bolts according to “Wheel Torque Chart” in MAINTENANCE Section.
  • Page 25 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Main Frame/Tire & Wheel (continued) 6. Install the inside mounted tire and wheel as- semblies (17679) to the main frame assembly as shown in FIG. 2-6. Torque 9/16”-18UNF wheel bolts (9231) according to “Wheel Torque Chart”...

  • Page 26: Hitch

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Hitch If necessary, install optional leveler bar kits now. See optional leveler bar assembly in this section. If no leveler bars will be installed on this machine, the mounting arms should be placed in the lock-up position to prevent dragging or accumulating of debris.
  • Page 27 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Hitch (continued) 2. Remove and save the hardware from the rear of the hitch A-frame assembly and main frame assembly hitch mounting area. 3. Using a hoist or lifting device rated at 150 lbs.

  • Page 28: Jack

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Jack 1. Locate in the base parts box/crate (76532B) the jack (901061) and parts bag (88590), which includes the bent pin with hairpin (84979) needed to secure the jack into position. 2. With the hoist or lifting devices still attached...

  • Page 29: Transport Chain

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Transport Chain ALWAYS USE TRANSPORT CHAIN WHEN TRANSPORTING IMPLEMENTS. FAILURE TO • USE CHAINS COULD CAUSE PERSONAL INJURY OR DAMAGE IF IMPLEMENTS BECOME DISENGAGED. 1. Locate in the base parts box/crate (76532B) the transport chain (97436) and the parts bag (88591), which includes the washer (106941), 7/8-9UNC locknut (91141) and 7/8”-9UNC x...

  • Page 30: Hose Holders

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Hose Holders 1. Locate in the base parts box/crate (76532B) the hose holder (79337B) and parts bag (88591), which includes the 1/2”-13UNC x 1 1/2” capscrew (9390-101), 1/2” flat washer (9405-088), and 1/2”-13UNC locknut (9800) needed to secure the hose holder into posi- tion.

  • Page 31: Inner Wings

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Inner Wings 1. Remove the capscrews and nuts from the FIG. 2-17 hinge pins. Remove the front and rear hinge pins from the right-hand and left-hand sides of the main frame (FIG. 2-17).
  • Page 32 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Inner Wings (continued) 3. Place the end of the left-hand inner wing on a support stand rated at 500 lbs. minimum before removing hoist or lifting device (FIG. 2-20). Support Stand FIG. 2-20 4.

  • Page 33: Outer Wings

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Outer Wings • Using the improper linkage and/or wing fold cylinders will damage your machine. 1. Remove and discard the rubber plugs (901869) from the outer wing frames. (FIG. Right-Hand Outer 2-21) Wing Shown Remove &...
  • Page 34 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Outer Wings (continued) 2. Locate in the base parts box/crate (76532B) the strap/linkage bars (87005B) and hardware bag (88576), which includes the two spacer tubes (81561), two D-pins (88575), two plates (88574), and four flange screws (901119).
  • Page 35 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Outer Wings (continued) 4. Remove and save the D-pin (87292) and spiral pin (91144-186) from the hinge area Right-Hand Inner Wing of both inner wings FIG. 2-24. Shown Remove & Save Hardware FIG. 2-24 5.
  • Page 36 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Outer Wings (continued) 6. Find 1/4” dia. x 1 7/8” spiral pin (91144- 165), 1 1/4”-12 UNF slotted nut (9393-024) FIG. 2-27 and D-pivot pins (83146 & 73906) in wing D-Pivot Pin (83146) parts box.
  • Page 37 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Outer Wings (continued) 8. Locate in the base parts box/crate (76532B) the parts bag (88590), and remove the four 1 1/4” flat washers (9405-128), two 1 1/4” Dia. x 3 5/8” pins (87283), and four 5/16” Dia.

  • Page 38: Inner Wing Tire & Wheel

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Inner Wing Tire & Wheel NOTE: These instructions are for standard wing wheels only. 1. Locate the wing wheel assemblies (76403B 24 1/4” and 76396B), and wheel and tire assemblies (17679) in the base shipping bundle. Locate in the base parts box/crate (76532B) the two 3 1/4”...
  • Page 39 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Inner Wing Tire & Wheel (continued) 3. With the ports facing out, secure base end of the 3 1/4” x 12” cylinders (9501723) to the wing assemblies and the rod end of cylinders to the wing wheel end using 1”...
  • Page 40 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Inner Wing Tire & Wheel (continued) IMPROPERLY TORQUED WHEEL NUTS/ • BOLTS CAN CAUSE A LOSS OF IM- PLEMENT CONTROL AND MACHINE DAMAGE. WHEEL NUTS/BOLTS MUST BE CHECKED REGULARLY. SEE TORQUE PAGE IN THE MAINTENANCE SECTION FOR THE PROPER WHEEL NUT/BOLT SPECIFICATIONS.

  • Page 41: Outer Wing Tire & Wheel

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Outer Wing Tire & Wheel NOTE: 47’ & 49’ machines do not have outer wing wheels. NOTE: These instructions are for standard wing wheels only. 1. Locate the wing wheel assemblies (76403B and 76396B), and wheel and tire assemblies (60911) in the wing shipping bundle.
  • Page 42 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Outer Wing Tire & Wheel (continued) 3. With the ports facing out, secure the base end of the 3” x 12” cylinders (9501736) to FIG. 2-37 the wing assemblies and the rod end of the cylinders to the wing wheel end using 1”...

  • Page 43: Gravity Latches/Wing Stands

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Gravity Latches/Wing Stands 1. Locate in the base parts box/crate (76532B) the two plates/gravity latches (88570B) and parts bag (88591), which includes the two 3/4”-10UNC x 5” capscrews (9390-155) and two 3/4”-10UNC locknuts (9802) needed to secure the plates/gravity latches into position.
  • Page 44 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Gravity Latches/Wing Stands (continued) 3. Locate in the base parts box/crate (76532B) the two wing stand weldments (88553B) and parts bag (88591), which includes the eight 1/2”-13UNC locknuts (9800). Locate in the wing parts box/crate (76537B) for 47-49’ models; (76538B) for 51-55’ models) the parts bag, which includes the eight 1/2”-13UNC x 3 3/4”...

  • Page 45: Smv Emblem

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up SMV Emblem 1. Locate in base parts box/crate (76532B) one strip (88259B), plate (88587B), SMV (9829), and parts bag (88591), which includes two 1/4”-20UNC x 3/4” capscrews (9390-003), two 1/4”-20UNC x 2 3/4” capscrews (9390-012), and four 1/4”-20UNC locknuts (9936).

  • Page 46: Purging A Hydraulic System

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Hydraulic Assembly Purging A Hydraulic System RELIEVE HYDRAULIC SYSTEM OF ALL PRESSURE BEFORE ADJUSTING OR SERVIC- • ING. SEE TRACTOR OPERATOR'S MANUAL FOR PROPER PROCEDURES. • HIGH-PRESSURE FLUIDS CAN PENETRATE THE SKIN AND CAUSE SERIOUS INJURY OR DEATH.
  • Page 47 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Hydraulic Assembly (continued) ROLLING HARROW 47-49’ MODELS ONLY - RAISE & LOWER UNIT TO TRACTOR 91511 91383 92927 9501714 (464") LEFT-HAND RIGHT-HAND SIDE OF UNIT SIDE OF UNIT 9002273 9501691 (228") 9501698 (334") 9897 9501702 (84")
  • Page 48 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Hydraulic Assembly (continued) ROLLING HARROW 51-59’ MODELS ONLY - RAISE & LOWER UNIT TO TRACTOR 91511 91383 92927 LEFT-HAND RIGHT-HAND 9501714 (464") SIDE OF UNIT SIDE OF UNIT 9002273 9501713 (404") 9501710 (304") 9897 9501702 (84")
  • Page 49 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Hydraulic Assembly (continued) ROLLING HARROW 47-59’ MODELS ONLY - WING FOLD NOTE: Attach the valve block to the PORT B5 TO LH OUTER WING CYLINDER ROD frame with 3/8” bolts through the DETAIL A block and 1 1/8”...

  • Page 50: Basket & Frame Assembly

    1 1/2" x 6" Cylinder (TA0-904623-0) Vertical-Fold Rolling Harrow 1645/1645D — Set Up Basket & Frame Assembly 1. Connect the Rolling Harrow implement to a tractor. Raise the machine, but keep the wings unfolded. Install the transport locks on the main frame axle cylinders. Block the wings to remain level with the main frame.
  • Page 51 Pin (82381) Vertical-Fold Rolling Harrow 1645/1645D — Set Up Basket & Frame Assembly (continued) 5. Locate in the base parts box and wing parts box the 1” dia. x 5 1/8” basket mounting pins (9500423) and 5/16” dia. x 2” spiral pins (91144-186).
  • Page 52 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Basket & Frame Assembly (continued) Bumper Assembly 1. Attach the left-hand and right-hand bumper assemblies to the inner wing basket frame FIG. 2-49 assembly as shown in FIG. 2-49 & FIG. 2-50. Right-Hand Bumper Assembly Shown FIG.

  • Page 53: Optional Pilot Check Valve

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up Optional Pilot Check Valve (PART NUMBER 91240) This option is for use when teeing the Rolling Harrow hydraulics to the primary tillage tools having rephasing hydraulic cylinders. This option prevents the ROLLING HARROW from drift- ing down from the transport position.

  • Page 54: Transport Marking & Light Kit

    NOTE: On some machines safety decals may be covered by light brackets. Contact your Unverferth dealer to order a new decal, and replace it on the machine in a visible location near the old decal in order to comply with ASABE standards.
  • Page 55 Be sure reflectors are in locations shown in parts section of this manual. These reflectors are required to comply with ASABE standards. If you do not meet the AS- ABE standard, contact your UNVERFERTH dealer to order reflectors needed. 2-39...
  • Page 56 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Transport Marking & Light Kit (88278B) (continued) Wiring Harness When installing the harnesses, do not cut or break the wire coverings. Tie harnesses away from moving parts, such as cylinders and folding links. The wiring harnesses consist of four pieces, the main harness, the cross harness, and two extension harnesses.
  • Page 57 Vertical-Fold Rolling Harrow 1645/1645D — Set Up Transport Marking & Light Kit (88278B) (continued) Wiring Harness (continue) 2-41...

  • Page 58: Wiring Harness Layout

    Vertical-Fold Rolling Harrow 1645/1645D — Set Up WIRING HARNESS LAYOUT Wiring Harness Layout Wiring Harness (22792) Wiring Extn (86467) Wiring Harness (86700) Wiring Harness (86700) Wiring Harness (22790) Wiring Extn (86467) 2-42...
  • Page 59 Vertical-Fold Rolling Harrow 1645/1645D — Operation SECTION III Operation General Operation Information ....................3-2 Preparing Tractor ........................3-2 Preparing Primary Tillage Tool ....................3-3 Rear Hitch On Primary Tillage Tool ..................3-3 Preparing Rolling Harrow ......................3-4 Tires and Wheels ........................ 3-4 Pins ............................

  • Page 60: General Operation Information

    Vertical-Fold Rolling Harrow 1645/1645D — Operation General Operation Information READ AND UNDERSTAND SAFETY RULES BEFORE OPERATING OR SERVICING THIS • MACHINE. REVIEW "SAFETY" SECTION IN THIS MANUAL IF NECESSARY. Read this operation section thoroughly. Acquaint yourself with the adjustments required to obtain efficient and trouble-free operations.

  • Page 61: Preparing Primary Tillage Tool

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Preparing Primary Tillage Tool Follow these recommendations if the Rolling Harrow implement will be connected to another tillage tool. Refer to the units “Operator’s Manual” for specifications, setup, maintenance, and operating procedures of this unit.

  • Page 62: Preparing Rolling Harrow

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Preparing Rolling Harrow Perform the service checks as outlined below. Repair or replace any damaged or worn parts before operating. Tires and Wheels Check tire pressure, see “MAINTENANCE” section for recommended air pressure. Be sure tire pressure is equal in all tires.

  • Page 63: Attaching Rolling Harrow To Primary Tillage Tool Or Tractor

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Attaching Rolling Harrow To Primary Tillage Tool or Tractor Before attaching the ROLLING HARROW implement to your primary tillage tool or tractor, adjust the extended length of the hitch tube to allow adequate turning clearance between the two machines when turning on the ends.

  • Page 64: Hydraulic Hook-Up

    #91240 pilot check valve between the two hydraulic systems. This valve prevents the unit’s lift system from bypassing oil through the rephase system and leaking down from the transport position. See your Unverferth dealer to order this valve. See SETUP section for hydraulic hook-up.

  • Page 65: Unfolding The Wings

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Unfolding The Wings ELECTROCUTION WILL CAUSE SERIOUS INJURY OR DEATH. ELECTROCUTION CAN • OCCUR WITHOUT DIRECT CONTACT. KEEP AWAY FROM ALL UTILITY LINES AND DEVICES. 1. Keep machine raised. 2. Fully unfold the inner wings. if the outer wings are still locked by gravity latches, reverse the oil flow through the hydraulic system.

  • Page 66: Transport Chain

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Transport Chain ALWAYS USE TRANSPORT CHAIN WHEN TRANSPORTING IMPLEMENTS. FAILURE TO • USE CHAIN COULD CAUSE PERSONAL INJURY OR DAMAGE IF IMPLEMENTS BECOME DISENGAGED. FIG. 3-5 shown with hook-up between trac- tor and Rolling Harrow implement. Always use intermediate support when connecting the implement directly to a tractor.

  • Page 67: Transporting

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Transporting THE ROLLING HARROW IMPLEMENT WILL INCREASE THE OVERALL LENGTH OF • THE PRIMARY TILLAGE TOOL. USE EXTREME CAUTION WHEN TURNING TO AVOID BYSTANDERS, OBSTACLES, ETC. REDUCE GROUND SPEEDS TO AVOID DAMAGE TO ROLLING HARROW OR PRIMARY TILLAGE TOOL.
  • Page 68 Vertical-Fold Rolling Harrow 1645/1645D — Operation Transporting (continued) For safe transporting of these implements, the transport speed should never exceed 10 M.P.H. in the field or over rough terrain. Reduce transport speed to maintain full control of the implement and tractor at all times.

  • Page 69: Unhitching

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Unhitching RISING OR FALLING TONGUE CAN CAUSE SERIOUS INJURY OR DEATH. USE JACK • TO SUPPORT IMPLEMENT BEFORE REMOVING HITCH PIN. IF UNIT IS TO BE UNHOOKED IN THE • TRANSPORT POSITION, INSTALL HY- DRAULIC CYLINDER TRANSPORT LOCKS (FIG.

  • Page 70: Field Adjustments

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Field Adjustments Rolling Harrow Basket The Rolling Harrow basket is designed to provide an excellent seedbed when used with your primary tillage tool. For maximum field performance, the Rolling Harrow implement should be run with the trans- port wheels in the “Raised”...

  • Page 71: Basket Pitch Adjustment

    Vertical-Fold Rolling Harrow 1645/1645D — Operation Basket Pitch Adjustment Standard on 1645D Models; Optional on 1645 Models In some conditions, it may be desirable to limit the float of the basket frame. Only limit the float sufficiently to improve performance. Excessive float limitation may damage the machine.
  • Page 72 Vertical-Fold Rolling Harrow 1645/1645D — Operation Basket Pitch Adjustment (continued) Standard on 1645D Models; Optional on 1645 Models 4. Install pin and spacer in the second hole from the rear with the plate facing the mounting arm. Reposition into alternate holes as necessary for field conditions.
  • Page 73 Vertical-Fold Rolling Harrow 1645/1645D — Maintenance SECTION IV Maintenance Storage ............................4-2 Lubrication ........................4-2 & 4-3 Replacing Rolling Harrow Basket Bearings ................4-4 Replacing Spring Assemblies ..................... 4-5 Hub Maintenance ........................4-6 Hydraulic System ........................4-7 Troubleshooting ........................... 4-9 Torque Chart ..........................4-10 Hydraulic Fittings ........................

  • Page 74: Storage

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Storage Your implement is an important investment. Spend a little time to protect it from destructive rust and corrosion. You will be repaid in longer service life and better performance. Do the following before placing the implement in storage: 1.
  • Page 75 Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Lubrication (continued) MAIN FRAME POINTS Top & Bottom MAIN FRAME TO INNER WING POINTS FRONT-LEFT HAND VIEW SHOWN (March 2013)

  • Page 76: Replacing Rolling Harrow Basket Bearings

    MUST BE WORN WHILE SERVICING IMPLEMENT. • KEEP HANDS CLEAR OF PINCH POINT AREAS. 1. Unverferth Manufacturing bearing replacement kit (74006) is available for the baskets and drums. 2. Park unit on a firm level surface. Unfold wings, lower the implement to the ground,...

  • Page 77: Replacing Spring Assemblies

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Replacing Rolling Harrow Basket/Drum Bearings (continued) 10. Discard worn bearing and used mounting hardware. Examine inner race of replacement bearing. If the inner race protrudes beyond the housing more on one side than the other, install the bearing in the basket/drum such that this side is facing the frame side plate.

  • Page 78: Hub Maintenance

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Hub Maintenance 1. Use grease to lubricate the Seal Lip. 2. Assemble the hub onto the spindle. Rotate the hub while doing this so that the seal lip does not fold under as the lip goes on the seal lip of the spindle.

  • Page 79: Hydraulic System

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Hydraulic System NOTE: For plumbing diagram and hydraulic components, refer to “Hydraulic Layout”. OPERATION All cylinders are double action cylinders. Standard set-up is a dual hydraulic system that al- lows raising and lowering to be completely independent of the wings folding and unfolding.
  • Page 80 Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Hydraulic System (continued) Raise & Lower Hydraulic System For 51-55’ Models ITEM DESCRIPTION NOTES Base Wheel Cylinder Cylinder 3 1/2 x 12 Inner Wing Wheel Cylinder Cylinder 3 1/4 x 12 Outer Wing Wheel Cylinder...

  • Page 81: Troubleshooting

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Troubleshooting — Hydraulics Not Functioning Properly PROBABLE CAUSE CORRECTION Incorrect hose hook-up to tractor control Refer to Tractor Operator’s Manual for levers valve and control lever arrangement Insufficient tractor hydraulic pressure Check hydraulic reservoir oil level Refer to tractor “Operator’s Manual”...

  • Page 82: Hydraulic Fittings

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Complete Torque Chart – Capscrews - Grade 5 NOTE: Grade 5 capscrews can be identified by three radial dashes on head. NOTE: For wheel torque requirements, refer to Wheels and Tires. NOTE: Tighten U-bolts to have the same number of threads exposed on each end.

  • Page 83: Wheels And Tires

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Wheels and Tires Wheel Nut Torque IMPROPERLY TORQUED WHEEL NUTS/BOLTS CAN CAUSE A LOSS OF IMPLEMENT • CONTROL AND MA CHINE DAMAGE. TORQUE WHEEL NUTS/BOLTS TO VALUES IN TABLE. CHECK TORQUE BEFORE INITIAL USE, AFTER ONE HOUR OF USE, AND EACH HOUR UNTIL WHEEL NUTS/BOLTS MAINTAIN TORQUE VALUE.

  • Page 84: Tire Warranty

    Vertical-Fold Rolling Harrow 1645/1645D — Maintenance Wheels and Tires Tire Warranty For questions regarding new tire warranty, please contact your local original equipment tire dealer. Used tires carry no warranty. Following are phone numbers and Websites for your convenience: Carlisle www.carlisletire.com...
  • Page 85 Vertical-Fold Rolling Harrow 1645/1645D — Parts SECTION V Parts Combination Hitch Components ....................5-2 Hitch Components ........................5-4 Main Frame Components ......................5-6 Wing Stop Block and SIS Decals Components ................. 5-9 Inner Wing Components ......................5-10 Gravity Latch/Wing Stand/Bumper Assembly Components ............5-11 Outer Wing Components ......................

  • Page 86: Combination Hitch Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Combination Hitch Components Please visit www.unverferth.com/parts/ for the most current parts listing.
  • Page 87 Vertical-Fold Rolling Harrow 1645/1645D — Parts Combination Hitch Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 78085B Stop Weldment =Black= 9502801 Hitch Pin 1” Dia. w/Hairpin 9405-088 Flat Washer 1/2” 9800 Lock Nut, 1/2”-13UNC...

  • Page 88: Hitch Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Hitch Components Please visit www.unverferth.com/parts/ for the most current parts listing.
  • Page 89 Vertical-Fold Rolling Harrow 1645/1645D — Parts Hitch Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 88623G Hitch A-Frame Assembly =Green= Model 1645 88623R Hitch A-Frame Assembly =Red= 9003127 Reflector 2 x 9 =Amber=...

  • Page 90: Main Frame Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Main Frame Components Please visit www.unverferth.com/parts/ for the most current parts listing.
  • Page 91 Vertical-Fold Rolling Harrow 1645/1645D — Parts Main Frame Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION 87970G Main Frame Assembly =Green= 87970R Main Frame Assembly =Red= 9003125 Fluorescent Strip 2 x 9 =Red/Orange= 9003126...
  • Page 92 Vertical-Fold Rolling Harrow 1645/1645D — Parts Main Frame Components (continued) Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION 9828 Clevis Pin 3/8” Dia. x 2 1/2 9514 Hairpin Cotter .092” Dia. x 1 7/8 9390-124...

  • Page 93: Wing Stop Block And Sis Decals Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Wing Stop Block and SIS Decals Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION 9801 Lock Nut/Top, 5/8”-11UNC 9390-124 Capscrew, 5/8”-11UNC x 2” G5 76416G Stop Block Weldment Left-Hand Wing =Green=...

  • Page 94: Inner Wing Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Inner Wing Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM ITEM PART NUMBER DESCRIPTION NOTES 76369G Wing 11’ LH Weldment =Green= Includes Items 2 through 5 76369R Wing 11’ LH Weldment =Red= 76370G Wing 11’...

  • Page 95: Gravity Latch/Wing Stand/Bumper Assembly Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Gravity Latch/Wing Stand/Bumper Assembly Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 88553B Wing Stand Weldment 9390-110 Capscrew 1/2-13UNC x 3 3/4 Models 47-55’ / Grade 5...

  • Page 96: Outer Wing Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Outer Wing Components Please visit www.unverferth.com/parts/ for the most current parts listing. 5-12...
  • Page 97 Vertical-Fold Rolling Harrow 1645/1645D — Parts Outer Wing Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 76372G Wing 5’ LH Asy =Green= 76372R Wing 5’ LH Asy =Red= 76373G Wing 5’ RH Asy =Green= 76373R Wing 5’...

  • Page 98: Rolling Harrow Basket Model 1645

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Rolling Harrow Basket Components - Model 1645 Please visit www.unverferth.com/parts/ for the most current parts listing. 5-14...

  • Page 99: Rolling Harrow Basket Model 1645

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Rolling Harrow Basket Components - Model 1645 Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 75349B Basket & Frame 3’ Assembly 75350B Basket & Frame 4’ Assembly Includes Items 2 through 9 75351B Basket &...
  • Page 100 Vertical-Fold Rolling Harrow 1645/1645D — Parts Rolling Harrow Basket/Drum Components - Model 1645D Please visit www.unverferth.com/parts/ for the most current parts listing. 5-16...
  • Page 101 Vertical-Fold Rolling Harrow 1645/1645D — Parts Rolling Harrow Basket/Drum Components - Model 1645D Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 9390-068 Capscrew 3/8”-16UNC x 4 1/2” 9390-055 Capscrew 3/8”-16UNC x 1” 9928 Locknut 3/8”-16UNC 97171 Capscrew 1/2”-13UNC x 6”...

  • Page 102: Wing Gauge Wheel & Hub Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Wing Gauge Wheel & Hub Components Please visit www.unverferth.com/parts/ for the most current parts listing. 5-18...
  • Page 103 Vertical-Fold Rolling Harrow 1645/1645D — Parts Wing Gauge Wheel & Hub Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION 76746B Gauge Wheel Assembly LH 76745B Gauge Wheel Assembly RH 76740B Axle Wweldment LH (Less Zerks)

  • Page 104: Raise & Lower Hydraulic Components For 47-49' Models

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Raise & Lower Hydraulic Components For 47-49’ Models Please visit www.unverferth.com/parts/ for the most current parts listing. 5-20...
  • Page 105 Vertical-Fold Rolling Harrow 1645/1645D — Parts Raise & Lower Hydraulic Components For 47-49’ Models Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION 9874 90° Elbow 9/16-18 JIC Male x 3/4-16 O-Ring Male 9002273 Cross 9/16-18 JIC Male x 9/16-18 JIC Male x 9/16-18 JIC Male x 9/16-18 JIC Male 9897 90°...

  • Page 106: Raise & Lower Hydraulic Components For 51-55' Models

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Raise & Lower Hydraulic Components For 51-55’ Models Please visit www.unverferth.com/parts/ for the most current parts listing. 5-22...
  • Page 107 Vertical-Fold Rolling Harrow 1645/1645D — Parts Raise & Lower Hydraulic Components For 51-55’ Models Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION 9874 90° Elbow 9/16-18 JIC Male x 3/4-16 O-Ring Male 9002273 Cross 9/16-18 JIC Male x 9/16-18 JIC Male x 9/16-18 JIC Male x 9/16-18 JIC Male 9897 90°...

  • Page 108: Wing Fold Hydraulic Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Wing Fold Hydraulic Components Please visit www.unverferth.com/parts/ for the most current parts listing. 5-24...
  • Page 109 Vertical-Fold Rolling Harrow 1645/1645D — Parts Wing Fold Hydraulic Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION 88476 Block & Valve Assembly 901707 Valve Pressure Relief 7/8-14UNF (2500 PSI) 901712 Manifold Block 92927 Adapter 9/16-18 JIC Male x 3/4-16 O-Ring Male Boss...

  • Page 110: Transport Marking & Light Kit

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Transport Marking & Light Kit (88278B) Please visit www.unverferth.com/parts/ for the most current parts listing. PART NUM- ITEM DESCRIPTION NOTES 88278B Lights/Transport Marking Package 22790 Wiring Harness/132” 3-T 89467 Wiring Harness/336” Main 86467 Wiring Extension 120” - 6 Pin 86700 Wiring Extension 120”...

  • Page 111: Basket Pin Up & Storage Box Components

    Vertical-Fold Rolling Harrow 1645/1645D — Parts Basket Pin Up & Storage Box Components Please visit www.unverferth.com/parts/ for the most current parts listing. Model 1645D - Standard Model 16 45 - Optional ITEM PART NUMBER DESCRIPTION NOTES 77401B Storage Box Bracket Assembly...
  • Page 112 L:\MANUALS\5SECTIONROLLINGHARROW1645\\76402.indd////February 2017-0//April 2022-1...

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