1. Manuals
  2. Brands
  3. Unverferth Manuals
  4. Farm Equipment
  5. CROSS-FOLD ROLLING HARROW 1645
  6. Manual

Unverferth CROSS-FOLD ROLLING HARROW 1645 Manual

Hide thumbs Also See for CROSS-FOLD ROLLING HARROW 1645:
Table of Contents

Advertisement

Quick Links

Download this manual
Seedbed Tillage
CROSS-FOLD ROLLING HARROW
®
1645/1645D
26-40 Ft. Models
Soil Conditioner
Beginning with Serial Number A62300100
Part No. 75469

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CROSS-FOLD ROLLING HARROW 1645 and is the answer not in the manual?

Questions and answers

Related Manuals for Unverferth CROSS-FOLD ROLLING HARROW 1645

Summary of Contents for Unverferth CROSS-FOLD ROLLING HARROW 1645

  • Page 1 Seedbed Tillage CROSS-FOLD ROLLING HARROW ® 1645/1645D 26-40 Ft. Models Soil Conditioner Beginning with Serial Number A62300100 Part No. 75469...
  • Page 2 CROSS-FOLD ROLLING HARROW 1645/1645D — Introduction Foreword 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

    CROSS-FOLD ROLLING HARROW 1645/1645D — Introduction Table of Contents Foreword ............................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 CROSS-FOLD ROLLING HARROW 1645/1645D — Introduction Table of Contents SECTION II Set Up General Set Up Information ....................... 2-2 12’ Base Shipping Bundles ....................... 2-3 12’ Base, 7-14’ Wing Shipping Bundles .................. 2-4 Optional Shipping Bundles & Accessories ................. 2-6 Main Frame/Tire &...
  • Page 6 CROSS-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 Bolts & Nuts........................3-4 Pins ............................
  • Page 7 CROSS-FOLD ROLLING HARROW 1645/1645D — Introduction Table of Contents SECTION IV Maintenance Storage ............................4-2 Lubrication ..........................4-3 Replacing Rolling Harrow Basket/Drum Bearings ..............4-4 Hydraulic System ........................4-6 Troubleshooting .......................... 4-7 Torque Chart ..........................4-8 Hydraulic Fittings ........................4-8 Wheels and Tires ........................
  • Page 8 CROSS-FOLD ROLLING HARROW 1645/1645D — Introduction Notes...

  • Page 9: Section I

    CROSS-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

    CROSS-FOLD ROLLING HARROW 1645/1645D — Safety Safety Decals • REPLACE LOST, DAMAGED, PAINTED, OR UNREADABLE DECALS IMMEDIATELY. IF PARTS THAT HAVE DECALS ARE REPLACED, ALSO MAKE SURE TO INSTALL NEW DECALS. THESE DECALS INFORM AND REMIND THE OPERATOR WITH OPERATIONAL INFORMATION AND SAFETY MESSAGES.

  • Page 12: Following Safety Instructions

    CROSS-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

    CROSS-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

    CROSS-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

    CROSS-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 CROSS-FOLD ROLLING HARROW 1645/1645D — Safety Notes...
  • Page 17 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up SECTION II Set Up General Set Up Information ....................... 2-2 12’ Base Shipping Bundles ....................... 2-3 12’ Base, 7-14’ Wing Shipping Bundles .................. 2-4 Optional Shipping Bundles & Accessories ................. 2-6 Main Frame/Tire & Wheel ......................2-7 Hitch ............................

  • Page 18: General Setup Information

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up General Setup Information This section contains all of the instructions required for the complete assembly of the entire Rolling Harrow. For your safety, and the safety of others, use proper tools and equipment and always use safe working procedures.
  • Page 19 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Rolling Harrow - 12’ Base Shipping Bundles PART NO. ITEM DESCRIPTION MODEL 1645 MODEL 1645D 60911 60911 Mounted Tire & Wheel W815-6-08 TL9.5LB15 8Ply 75350B Roller Basket 4 Ft. Assembly (Basket Roller) 77088B Roller Basket 4 Ft.

  • Page 20: 12' Base, 7-14' Wing Shipping Bundles

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Rolling Harrow - 12’ Base 7’-14’ Wing Shipping Bundles...
  • Page 21 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Rolling Harrow - 12’ Base 7’-14’ Wing Shipping Bundles QTY. ITEM PART NO. DESCRIPTION 7’ 8’ 9’ 10’ 11’ 12’ 13’ 14’ WINGS WINGS WINGS WINGS WINGS WINGS WINGS WINGS 60911 Mounted Tire & Wheel...

  • Page 22: Optional Shipping Bundles & Accessories

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Rolling Harrow - 12’ Base 7’-14’ Wing Shipping Bundles QTY. ITEM PART NO. DESCRIPTION 7’ 8’ 9’ 10’ 11’ 12’ 13’ 14’ WINGS WINGS WINGS WINGS WINGS WINGS WINGS WINGS 75751G Wing 14 Ft. LH Assembly (Green) 75751R Wing 14 Ft.

  • Page 23: Main Frame/Tire & Wheel

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Main Frame/Tire & Wheel 1. Using safe lifting devices rated at 1500 lbs. minimum, lift main frame assembly (75453G or 75453R) onto stands also rated at 1500 lbs. minimum. 2. Raise the front of machine until shipping strap and pins can be removed from the main frame assembly and rockshaft (FIG.
  • Page 24 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Main Frame/Tire & Wheel (continued) • IMPROPERLY TORQUED WHEEL NUTS/BOLTS CAN CAUSE A LOSS OF IMPLEMENT CON- TROL AND MACHINE DAMAGE. WHEEL NUTS/BOLTS MUST BE CHECKED REGULARLY. SEE TORQUE PAGE IN THE "MAINTENANCE" SECTION FOR PROPER WHEEL NUT/BOLT SPECIFICATIONS.

  • Page 25: Hitch

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hitch NOTE: 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. See OP- ERATION section for procedure to lock up the arms.

  • Page 26: Jack

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Jack 1. With the hoist or lifting devices still attached to the cross fold hitch assembly, attach the jack mounting arm (75906G or 75906R) to the rear of the main frame with the existing hardware as shown in FIG.
  • Page 27 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Jack (continued) NOTE: See FIG. 2-7 for “Parked Position” and FIG. 2-8 for “Working Position”. Parked Position Working Position FIG. 2-7 FIG. 2-8 If the gooseneck hitch assembly is being used, FIG. 2-9 gradually release the safe lifting device retaining the hitch.

  • Page 28: Transport Chain

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Chain 1. Attach the transport chain (26’-32’ Machines - 94098 with a rating of 10,100 lbs.; 34’-40’ Machines - 97436 with a rating of 16,000 lbs.) to the front, left-hand side of the tongue/ hitch using large flat washer (85723), 7/8”-9UNC x 3 1/2”...

  • Page 29: Hose Holders

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hose Holders 1. Attach the small hose holder (902979B) using 1/2”-13UNC x 1 3/4” capscrew (9390-102), 1/2”-13UNC x 6 1/2” 1/2” flat washer (9405-088), and 1/2”-13UNC Capscrew (9390-116) locknut (9800) as shown in FIG. 2-11.

  • Page 30: Bolt-On Truss Assembly

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Bolt-On Truss Assembly 1. Identify the right-hand and left-hand braces. On the rear portion of the brace with the FIG. 2-12 Tighten hardware to snug two side gussets, the taller side of the FIG.

  • Page 31: Wings

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings 1. Using safe lifting devices rated at 1000 lbs. minimum, lift the right-hand wing assembly and attach it to the main frame assembly using the hardware in the wing hinge area as shown in FIG.
  • Page 32 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings (continued) NOTE: 26’-32’ Machines use two 4” x 30” hydraulic cylinders (73576B). 34’-40’ Machines use two 4 1/2” x 30” hydraulic cylinders (75754B) 3. In the parts box/crate (26’-32’ Machines - 75875B; 34’-40’ Machines - 75812B) locate the 30”...
  • Page 33 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings (continued) 6. Assemble the spring can weldment (73566B), rod weldment (73570B), compression spring Left-Hand (9004371), yoke weldment (73562B), 3/4”- Wing Shown 10UNC x 6” capscrew (91175), and hex nut (9394-016) as shown in FIG. 2-18.

  • Page 34: Wing Lift Wheel Assembly

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Lift Wheel Assembly • IMPROPERLY TORQUED WHEEL NUTS/BOLTS CAN CAUSE A LOSS OF IMPLEMENT CON- TROL AND MACHINE DAMAGE. WHEEL NUTS/BOLTS MUST BE CHECKED REGULARLY. SEE TORQUE PAGE IN THE "MAINTENANCE" SECTION FOR PROPER WHEEL NUT/BOLT SPECIFICATIONS.

  • Page 35: Smv Emblem

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Lift Wheel Assembly (continued) 3. Fasten the base end of the hydraulic cylin- der with the ports facing up to each wing 1” Dia. x 4” Pin (85631) & lift wheel assemblies with 1” Dia. x 4”...

  • Page 36: Transport Cylinder Stops

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Cylinder Stops The transport cylinder stops (73130B) can be FIG. 2-23 attached to the hitch frame as shown in FIG. 2-23 with clevis pins (92955) and hairpin cot- ters (9514). Storage Position...

  • Page 37: Hose Routing Diagrams

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) Hose Routing Diagram 1 Single Hydraulics with Valve #903045 26’-32’ Units Without Wing Wheels 1645 Standard Without Wing Wheels Wing Cylinder Base End PORT D Wing Cylinder Base End PORT F...
  • Page 38 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) Hose Routing Diagram 2 Single Hydraulics with Valve #903045 26’-28’ Units With Wing Wheels 1645 With Optional Wing Wheels 1645D With Standard Wing Wheels Wing Cylinder Base End PORT D...
  • Page 39 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) Hose Routing Diagram 3 Single Hydraulics with Valve #903045 30’-32’ Units With Wing Wheels 1645 With Optional Wing Wheels 1645D With Standard Wing Wheels Wing Cylinder Base End PORT D...
  • Page 40 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) Hose Routing Diagram 4 Single Hydraulics with Valve #903045 34’-40’ Units With Wing Wheels 1645 With Standard Wing Wheels 1645D With Standard Wing Wheels 2-24...

  • Page 41: Purging A Hydraulic System

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) Purging A Hydraulic System RELIEVE HYDRAULIC SYSTEM OF ALL PRESSURE BEFORE ADJUSTING OR SERVICING. • SEE TRACTOR OPERATOR'S MANUAL FOR PROPER PROCEDURES. • HIGH-PRESSURE FLUIDS CAN PENETRATE THE SKIN AND CAUSE SERIOUS INJURY OR DEATH.
  • Page 42 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) 4. Fasten the rod end of the right-hand and left-hand wing lift wheel assembly cylinders FIG. 2-26 and gravity latches (73118B) with 1” Dia. x 5 1/8” pins (88038) and 1/4” Dia. spiral pins Right-Hand (91144-165) as shown in FIG.

  • Page 43: Weight Transfer System Initial Settings

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Weight Transfer System Initial Settings 1. Tighten left-hand wing adjustment bolt until there is 2 1/8 inches from the top of the spring can to the under side of the adjustment bolt (FIG. 2-27A). Tighten the jam nut tight against the spring can.

  • Page 44: Wing Stands

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Stands 1. Loosely mount the wing stand (89941B) to Right-Hand the front of the right-hand wing with stand Wing plates (89944B), 1/2”-13UNC x 5” capscrews (9390-113), and 1/2”-13UNC locknuts (9800) as shown in FIG. 2-25 and 2-26.
  • Page 45 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Stands (continued) 2. Loosely mount the wing stand (89941B) to the rear of the left-hand wing with stand Left-Hand plates (89944B), 1/2”-13UNC x 5” capscrews Wing (9390-113), and 1/2”-13UNC locknuts (9800) as shown in FIG. 2-30.

  • Page 46: Transport Marking & Light Kit

    Please see federal regulation 49 CFR 562; available at www.govinfo.gov for US federal law requirements. See your Unverferth dealer for additional brackets, reflectors, or lights to meet your require- ments. Front, rear, left, and right are determined from the tractor operator’s seat, facing forward.
  • Page 47 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Marking & Light Kit (73146B) (continued) 2. Attach the guard bracket (89609B) to the outer most front corners of the main frame as shown in FIG. 2-34 and FIG. 2-35 using two 3/8”-16UNC x 1” capscrews (9390-055) and locknuts (9928).

  • Page 48: Transport Markings

    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 ASABE standards, contact your UNVERFERTH dealer to order reflectors needed. 21 3/8...

  • Page 49: Wiring Harness

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Marking & Light Kit (73146B) (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 50 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Marking & Light Kit (73146B) (continued) Wiring Harness (continued) FIG. 2-40 2-34...

  • Page 51: Drum Scraper Assembly

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Drum Scraper Assembly 1. Locate scrapers, bar mounts and hardware bags. 2. Install arm (75564B) to scraper using 1/2”- FIG. 2-41 13UNC x 1 1/2” carriage bolts (9388-104) passing bolt through arm first. (FIG. 2-41) NOTE: 3’...

  • Page 52: Basket/Drum & Frame Assembly

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Basket/Drum & Frame Assembly Pin (82381) 1. Connect the Rolling Harrow to a tractor. Raise the machine, but keep the wings unfolded. Install transport locks on main frame axle cylinders. Block the wings to remain level with the main frame.
  • Page 53 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Basket/Drum & Frame Assembly (continued) 4. Using a safe lifting device rated at 750 lbs. minimum, lift basket/drum assembly into position on the mounting arms. Identify baskets and mating wings using Table 3-2 and FIG.

  • Page 54: Attach Storage Box

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Attach Storage Box 1. Attach the storage box mounting bracket (77400B) on the left-hand side of the hitch frame with two 1/2”-13UNC U-bolts (9502320) and four 1/2”-13UNC lock nuts (9800) as shown in FIG. 2-46.

  • Page 55: Optional Pilot Check Valve (Part #91240)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Optional Pilot Check Valve (Part #91240) This option is for use with primary tillage tools having rephasing hydraulic cylinders. This option prevents the ROLLING HARROW from drifting down from the transport position. •...

  • Page 56: Optional Dual Hydraulic Kit #73173

    Each system will then require its own remote control valve from the tractor or must be plumbed into existing circuits on the primary tillage tool. Unverferth Manufacturing recommends that the regular machine hydraulics be completely in- stalled before installing a dual hydraulic kit.
  • Page 57 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Optional Dual Hydraulic Kit #73173 (continued) Dual Hydraulics with Valve #903045 91511 91383 92927 9500369 (380") 9001850 CAP TEES WHERE 9897 HOSES ARE REMOVED 9897 9001850 REROUTE HOSES AND REDIRECT VALVE FITTINGS TO RIGHT-HAND SIDE OF A-FRAME FIG.

  • Page 58: Gooseneck Hitch Assembly (Optional)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Gooseneck Hitch Assembly (Optional) • KEEP HANDS CLEAR OF PINCH POINT AREAS. • EYE PROTECTION AND OTHER APPROPRIATE PERSONAL PROTECTIVE EQUIPMENT MUST BE WORN WHILE SERVICING THE IMPLEMENT. • FALLING OBJECTS CAN CAUSE SERIOUS INJURY OR DEATH. DO NOT WORK UNDER THE MACHINE AT ANY TIME WHILE BEING HOISTED.
  • Page 59 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Gooseneck Hitch Assembly (Optional) (continued) 2. Remove the fourteen 5/8”-11UNC x 1 3/4” capscrews (9390-123), ten 5/8”-11UNC x 5 1/2” capscrews (9390-135), 5/8” flat washers (9405-098), four plates (78413B) and 5/8”-11UNC locknuts (9801) from the left-hand and right-hand gooseneck hitch adapters.
  • Page 60 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Gooseneck Hitch Assembly (Optional) (continued) 3. With the hitch still supported with a safe lifting device up to 1400 lbs., use an additional safe lifting device up to 150 lbs. and adjust the vertical post of the hitch by removing the 1”-8UNC x 8 1/2”...
  • Page 61 CROSS-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 Bolts & Nuts........................3-4 Pins ............................

  • Page 62: General Operation Information

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation General Operation Information • READ AND UNDERSTAND SAFETY RULES BEFORE OPERATING OR SERVICING THIS MA- CHINE. 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 63: Preparing Primary Tillage Tool

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Preparing Primary Tillage Tool Follow these recommendations if the Rolling Harrow 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 64: Preparing Rolling Harrow

    CROSS-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. Bolts And Nuts Before going to the field, check all hardware for tightness. Recheck all bolts for tightness, after the unit has been operated for several hours.

  • Page 65: Attaching Rolling Harrow To Primary Tillage Tool Or Tractor

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

  • Page 66: Hydraulic Hook-Up

    See your Unverferth dealer to order this valve. See SETUP section for hydraulic hook-up. Raise unit into transport position and install cylinder transport locks (FIG. 3-2).

  • Page 67: Unfolding The Wings

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Unfolding The Wings • KEEP CLEAR OF POWER LINES WHEN FOLDING/UNFOLDING WINGS. WINGS MAY BECOME TALLER THAN SOME POWER LINES DURING THE FOLD CYCLE CAUSING ELECTROCUTION AND SERIOUS INJURY OR DEATH. • Follow one of these procedures to avoid damaging the Rolling Harrow during the wing unfolding process.

  • Page 68: Transport Chain

    CROSS-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 DISEN- GAGED. FIG. 3-5 shown with hook-up between tractor and Rolling Harrow. Always use intermedi- ate support when connecting the implement directly to a tractor.

  • Page 69: Transporting

    Compliance with all lighting and marking laws is the responsibility of the operator at the time of travel. Please see federal regulation 49 CFR 562; available at www.govinfo.gov for US federal law requirements. See your Unverferth dealer for additional brackets, reflectors, or lights to meet your require- ments.
  • Page 70 CROSS-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 71: Unhitching

    CROSS-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 UNHOOKED IN THE TRANSPORT POSITION, INSTALL HYDRAULIC CYLINDER TRANSPORT LOCKS AND LOWER JACKSTAND TO GROUND BEFORE UNHOOKING UNIT.

  • Page 72: Field Adjustments

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Field Adjustments Wing Weight Transfer System The weight transfer system is designed to make adjustments for optimum wing down pres- sure on any wing size. Initial settings can be found in the “SETUP” section of this manual.

  • Page 73: Basket Pitch Adjustment

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Basket Pitch Adjustment 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 74 CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Basket Pitch Adjustment (Optional) (continued) 4. Install pin and spacer in the third hole from the front with the plate facing the mount- ing arm. Reposition into alternate holes as necessary for field conditions.
  • Page 75 CROSS-FOLD ROLLING HARROW 1645/1645D — Maintenance SECTION IV Maintenance Storage ............................4-2 Lubrication ..........................4-3 Replacing Rolling Harrow Basket/Drum Bearings ..............4-4 Hydraulic System ........................4-6 Troubleshooting .......................... 4-7 Torque Chart ..........................4-8 Hydraulic Fittings ........................4-8 Wheels and Tires ........................4-9 Wheel Nut Torque .......................

  • Page 76: Storage

    CROSS-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 77: Lubrication

    CROSS-FOLD ROLLING HARROW 1645/1645D — Maintenance Lubrication Be sure to lubricate the indicated points of the Rolling Harrow implement as outlined. SEASON LOCATION HOURS BEGINNING AXLE & WING LIFT WHEELS - 8 lube fittings ü ü - grease gun WING HINGE POINTS - 16 lube fitting ü...

  • Page 78: Replacing Rolling Harrow Basket/Drum Bearings

    BE WORN WHILE SERVICING IMPLEMENT. • KEEP HANDS CLEAR OF PINCH POINT AREAS. 1. Unverferth Manufacturing bearing replacement kit (74006) is available for the ROLLING HARROW. 2. Park unit on a firm level surface. Unfold wings, lower the ROLLING HARROW to...
  • Page 79 CROSS-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 80: Hydraulic System

    CROSS-FOLD ROLLING HARROW 1645/1645D — Maintenance Hydraulic System NOTE: For plumbing diagram, refer to “Hydraulic Diagram 1”. Refer to PARTS section for hydraulic components detail listing. OPERATION All cylinders on the ROLLING HARROW are double action cylinders. They are all teed together into one circuit.

  • Page 81: Troubleshooting

    CROSS-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

    CROSS-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

    CROSS-FOLD ROLLING HARROW 1645/1645D — Maintenance Wheels and Tires Wheel Nut Torque • IMPROPERLY TORQUED WHEEL NUTS/BOLTS CAN CAUSE A LOSS OF IMPLEMENT CON- TROL 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 UN- TIL WHEEL NUTS/BOLTS MAINTAIN TORQUE VALUE.

  • Page 84: Tire Warranty

    CROSS-FOLD ROLLING HARROW 1645/1645D — Maintenance Wheels and Tires (continued) 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: Firestone www.firestoneag.com...
  • Page 85 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts SECTION V Parts Hitch Components ........................5-2 Main Frame Components ......................5-4 Bolt-On Truss Assembly Components ..................5-7 Wing Components ........................5-8 Rolling Harrow Basket Components – Model 1645 ..............5-12 Rolling Harrow Basket Components – Model 1645D ............. 5-14 Combination Valve #903045 Components ................

  • Page 86: Hitch Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hitch Components Please visit www.unverferth.com/parts/ for the most current parts listing.
  • Page 87 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hitch Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. NOTES 83301B Hitch Clevis 87754 U-Channel Trim 89045G Stop Weldment =Green= 89045R Stop Weldment =Red= 9003127 Reflector =Amber=...

  • Page 88: Main Frame Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Main Frame Components Please visit www.unverferth.com/parts/ for the most current parts listing.
  • Page 89 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Main Frame Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION NOTES 89878B Pivot Arm Weldment 91160 Grease Zerk 89902 Pin Weldment 2” Dia. x 5 11/16 89904 Pin Weldment 1 1/2”...
  • Page 90 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Main Frame Components (continued) Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION NOTES 9801 Locknut 5/8-11UNC 88259B Strip/SMV Bracket =Black= 88587B Plate 4 1/2 x 8 =Black= 9829 SMV Emblem...

  • Page 91: Bolt-On Truss Assembly Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Bolt-On Truss Assembly Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION NOTES 67922B Extension Clamp =Black= 79928G Bolt-On Truss LH Weldment =Green= 79928R Bolt-On Truss LH Weldment =Red=...

  • Page 92: Wing Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Components Please visit www.unverferth.com/parts/ for the most current parts listing.
  • Page 93 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. NOTES 73084 Pin 1 1/2” Dia. x 10 3/4 73576B Cylinder 4 x 30 (SHOWN) 91160 Grease Zerk For 26’-32’...
  • Page 94 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Components (continued) Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. NOTES 9390-102 Capscrew 1/2-13UNC x 1 3/4 9394-016 Hex Nut 3/4-10UNC 9397-022 Elastic Jam Nut 1 1/2-12UNF 9405-116 Flat Washer 1”...
  • Page 95 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Notes Please visit www.unverferth.com/parts/ for the most current parts listing. 5-11...

  • Page 96: Rolling Harrow Basket Components - Model 1645

    CROSS-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 7428 7400 9008 9027 9388 9800 7534 9390 9928 9717 8625 9405 7547 7485 7707 7633 7570...
  • Page 97 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Rolling Harrow Basket Components - Model 1645 Please visit www.unverferth.com/parts/ for the most current parts listing. QTY. PER BASKET ITEM PART NO. DESCRIPTION 6 FT. NOTES 77083B Basket & Frame 3’ Assembly 77084B Basket & Frame 4’ Assembly...
  • Page 98 CROSS-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. 5-14...
  • Page 99 CROSS-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. QTY. PER BASKET ITEM PART NO. DESCRIPTION NOTES 3’ 4’ 5’ 6’ 9390-068 Capscrew 3/8-16UNC x 4 1/2...

  • Page 100: Combination Valve #903045 Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Combination Valve #903045 Components Please visit www.unverferth.com/parts/ for the most current parts listing. 5-16...
  • Page 101 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Combination Valve #903045 Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. 903072 Aluminum Block 903078 Pilot Pistion 903077 Cartridge Flow Divider 903099 Seal Kit for Cartridge Flow Divider...

  • Page 102: Hydraulic Components - 26'-32' Units Without Wing Wheels

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 26’-32’ Units Without Wing Wheels Model 1645 Standard Without Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. 5-18...
  • Page 103 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 26’-32’ Units Without Wing Wheels Model 1645 Standard Without Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. 9003514 Hose 3/8 x 136 (9/16-18 JIC Female x 9/16-18 JIC Female)

  • Page 104: Hydraulic Components - 26'-28' Units With Wing Wheels

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 26’-28’ Units With Wing Wheels Model 1645 With Optional Wing Wheels Model 1645D With Standard Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. 5-20...
  • Page 105 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 26’-28’ Units With Wing Wheels Model 1645 With Optional Wing Wheels Model 1645D With Standard Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY.

  • Page 106: Hydraulic Components - 30'-32' Units With Wing Wheels

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 30’-32’ Units With Wing Wheels Model 1645 With Optional Wing Wheels Model 1645D With Standard Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. 5-22...
  • Page 107 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 30’-32’ Units With Wing Wheels Model 1645 With Optional Wing Wheels Model 1645D With Standard Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY.

  • Page 108: Hydraulic Components - 34'-40' Units With Wing Wheels

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 34’-40’ Units With Wing Wheels Model 1645 With Standard Wing Wheels Model 1645D With Standard Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. 5-24...
  • Page 109 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hydraulic Components — 34’-40’ Units With Wing Wheels Model 1645 With Standard Wing Wheels Model 1645D With Standard Wing Wheels Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY.

  • Page 110: Dual Hydraulic Kit #73173 For Valve #903045

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Dual Hydraulic Kit #73173 For Valve #903045 Please visit www.unverferth.com/parts/ for the most current parts listing. CAP TEES WHERE HOSES ARE REMOVED REROUTE HOSES AND REDIRECT VALVE FITTINGS TO RIGHT-HAND SIDE OF A-FRAME THIS DRAWING IS PROPERTY OF...
  • Page 111 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Dual Hydraulic Kit #73173 For Valve #903045 Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. 9001850 Cap Nut 91383 Male Tip Coupling 3/4-16 O-Ring Female 91511 Dust Cap...

  • Page 112: Wing Lift Wheel & Hub Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Lift Wheel & Hub Components Please visit www.unverferth.com/parts/ for the most current parts listing. 5-28...
  • Page 113 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Lift Wheel & Hub Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. NOTES 60911 Mounted Tire & Wheel (9.5-15 8-Ply Tire) =Off White= 60911SM Mounted Tire & Wheel (9.5-15 8-Ply Tire) =Silver Mist=...
  • Page 114 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Tranport Marking & Light Kit (73146B) Please visit www.unverferth.com/parts/ for the most current parts listing. 5-30...
  • Page 115 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Tranport Marking & Light Kit (73146B) Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION QTY. NOTES 22790 Cross Wiring Harness 132” 89911B Light Bracket 86421 Wiring Extension 48” 89467 Main Wiring Harness 336”...

  • Page 116: A-Frame Gooseneck Hitch Assembly (Optional)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts A-Frame Gooseneck Hitch Assembly (Optional) Please visit www.unverferth.com/parts/ for the most current parts listing. 5-32...
  • Page 117 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts A-Frame Gooseneck Hitch Assembly (Optional) Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION NOTES 77737G A-Frame Gooseneck Hitch Assembly =Green= 77737R A-Frame Gooseneck Hitch Assembly =Red= 77736G A-Frame Gooseneck Hitch w/Decals =Green=...

  • Page 118: Gooseneck Hitch Adapters (Optional)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Gooseneck Hitch Adapters (Optional) Please visit www.unverferth.com/parts/ for the most current parts listing. 5-34...
  • Page 119 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Gooseneck Hitch Adapters (Optional) Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NO. DESCRIPTION NOTES 78411G Gooseneck Adapter Left-Hand Weldment =Green= 78411R Gooseneck Adapter Left-Hand Weldment =Red= 78416G Gooseneck Adapter Right-Hand Weldment =Green=...
  • Page 120 L:\MANUALS\ROLLINGHARROW1645/1645D\\75469.indd////March 2016-0//November 2016-1//August 2018-2//February 2019-3//APRIL 2020-4//MARCH 2022-5...

This manual is also suitable for:

Cross-fold rolling harrow 1645d

Table of Contents