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Unverferth CROSS-FOLD ROLLING HARROW 1645 Manual

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Seedbed Tillage
CROSS-FOLD ROLLING HARROW
®
1645/1645D
Soil Conditioner
39-45 Ft. Models
Beginning With Serial Number A62280100
Part No. 75714

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Summary of Contents for Unverferth CROSS-FOLD ROLLING HARROW 1645

  • Page 1 Seedbed Tillage CROSS-FOLD ROLLING HARROW ® 1645/1645D Soil Conditioner 39-45 Ft. Models Beginning With Serial Number A62280100 Part No. 75714...
  • 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 15’ Base Shipping Bundles ....................... 2-3 15’ Base, 12-15’ Wing Shipping Bundles ................. 2-4 Shipping Bundles & Accessories (Optional) ................2-5 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 Implement ..................3-4 Tire Pressure ........................
  • Page 7 CROSS-FOLD ROLLING HARROW 1645/1645D — Introduction Table of Contents SECTION IV Maintenance Storage ............................4-2 Lubrication ..........................4-3 Replacing Basket/Drum Bearings ....................4-4 Hub Maintenance ........................4-5 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 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 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

    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 15’ Base Shipping Bundles ....................... 2-3 15’ Base, 12-15’ Wing Shipping Bundles ................. 2-4 Shipping Bundles & Accessories (Optional) ................2-5 Main Frame/Tire & Wheel ......................2-6 Hitch ............................

  • Page 18: General Set Up Information

    CROSS-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 implement. 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 - 15’ Base Shipping Bundles Depending on the model you ordered, you should have received the following bundles: PART NO. ITEM DESCRIPTION MODEL 1645 MODEL 1645D 60911 60911 Mounted Tire & Wheel W815-6-08 TL9.5LB15 8-Ply...

  • Page 20: 15' Base, 12-15' Wing Shipping Bundles

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Rolling Harrow - 15’ Base 12’-15’ Wing Shipping Bundles...

  • Page 21: Shipping Bundles & Accessories (Optional)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Rolling Harrow - 15’ Base 12’-15’ Wing Shipping Bundles WING QTY. ITEM PART NO. DESCRIPTION 12’ WINGS 13’ WINGS 14’ WINGS 15’ WINGS 75717G Wing 12’ RH Asy =Green= Wing 12’ RH Asy =Red= 75717R Wing 12’...

  • Page 22: Main Frame/Tire & Wheel

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Main Frame/Tire & Wheel 1. Using safe lifting devices rated at 2500 lbs. minimum, lift main frame assembly (75710G or 75710R) onto stands rated at a minimum of 1250 lbs. each. 2. Raise the front of machine until shipping...
  • Page 23 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Main Frame/Tire & Wheel (continued) • IMPROPERLY TORQUED WHEEL NUTS/BOLTS CAN CAUSE A LOSS OF IMPLEMENT CONTROL AND MACHINE DAMAGE. WHEEL NUTS/BOLTS MUST BE CHECKED REGU- LARLY. SEE TORQUE PAGE IN THE "MAINTENANCE" SECTION FOR PROPER WHEEL NUT/BOLT SPECIFICATIONS.

  • Page 24: Hitch

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hitch 1. Remove and save the hardware from the rear of the cross fold hitch assembly (78572G or 78572R). Using hoist or lifting devices rated at 1,000 lbs. minimum, lift hitch assembly and attach it to the main frame assembly as shown in Fig. 2-5 using the hardware previ- ously removed from the cross fold hitch assembly.

  • Page 25: Front Jack

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Front Jack 1. With the hoist or lifting devices still attached to the cross fold hitch assembly (78572G or Bent Pin with 78572R), attach the jack (901061), located Hairpin (84979) in the parts box/crate (75859B), to the hitch using bent pin with hairpin (84979) as shown in Fig.

  • Page 26: Rear Jack

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Rear Jack 1. Locate jack mount (75897G or 75897R) and remove U-bolts and locknuts. Install jack mount to the right-hand side of the center bent arm on rear of main frame using previ- ously removed hardware.

  • Page 27: Transport Chain

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Chain 1. Attach the transport chain (97436) with a Fig. 2-10 rating of 16,100 lbs. to the front, left-hand Locknut side of the tongue/hitch using large flat (91141) washer (85723), capscrew 7/8”-9UNC x 3 1/2”...

  • Page 28: Wings

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings Fig. 2-12 • Remove and discard shipping stand at- tached to bent arm on wing 1. Using hoist or lifting devices rated at 1000 lbs. minimum, lift the right-hand wing as- sembly and attach it to the main frame assembly using the hardware in the wing hinge area as shown in Fig.
  • Page 29 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings (continued) 3. Attach the plate/base hinge link (87706B) to Fig. 2-14 the left-hand side of the main frame assem- bly using the hardware in the hinge area as shown in Fig. 2-14. Attach the other plate/...
  • Page 30 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings (continued) 4. Attach two plate/fold links (87705B), located Fig. 2-15 in the parts box/crate (75859B), to the left- Plate/Fold Links hand wing assembly using the hardware (87705B) located on the wing assembly as shown in Fig.
  • Page 31 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings (continued) 5. The plate/base hinge link (87706B) goes between the two plate/fold links (87705B) Washers (9405-140) and place a 1 1/2” flat washer (9405-140) Pin (87872B) & outside the plate/fold links secure with Spiral Pins 1 1/2”...
  • Page 32 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wings (continued) 6. In parts box/crate (75859B) locate the two 4 1/2” x 30” hydraulic cylinders (75862B), 1” Dia. x 4” pins (85631), and four 1/4” Dia. x 1 7/8” spiral pins (91144-165).

  • Page 33: 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 CONTROL AND MACHINE DAMAGE. WHEEL NUTS/BOLTS MUST BE CHECKED REGU- LARLY. SEE TORQUE PAGE IN THE "MAINTENANCE" SECTION FOR PROPER WHEEL NUT/BOLT SPECIFICATIONS.
  • Page 34 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Lift Wheel Assembly (continued) 4. Mount the tire and wheel assembly (81145) Left-Hand Wing Assembly Shown to the lift wheel assembly (76819B) with the 1/2”-20UNF wheel nuts located on the hub. Torque 1/2”-20UNF wheel nuts, refer to “MAINTENANCE”...

  • Page 35: Smv Emblem

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up SMV Emblem 1. Obtain the 2” x 18 3/4” plate (88259B), Fig. 2-25 2” x 7 1/4” clamp plate (64157B), SMV emblem (9829) two 1/4”-20UNC x 3” cap- screws (9390-013), two 1/4”-20UNC x 3/4”...

  • Page 36: Wing Stands

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Stands 1. Mount the wing stand left-hand weld- Fig. 2-26 ment (79249B) to the wing left-hand as- sembly as shown in Fig. 2-26 using 4” x 6 1/4” plate (79247B), 6 1/4” x 6 1/2”...
  • Page 37 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Stands (continued) 1. Mount the left-hand wing stand weldment (79249B) to the left-hand wing assembly as shown in Fig. 2-27 using 2 1/2” x Wing Stand RH Weldment (87887B) 5 13/16” bar (87885B), 5” x 9 15/16” bar (87881B), six 1/2”-13UNC x 4”...
  • Page 38 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Wing Stands (continued) 3. Slide the assembled right-hand wing stand Fig. 2-29 to the left-hand side of the unit (Fig. 2-29). 4. The right-hand wing stand will be secured into the correct position once the hydrau- lics have been completely assembled and purged.

  • Page 39: 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 40 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Marking & Light Kit (89110B) (continued) NOTE: Make certain lights are clearly visible and no hoses or other components obstruct view of lights from the rear of machine. 2. Secure right-hand light bracket (73434B) Fig.

  • Page 41: 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 AS- ABE standard, contact your UNVERFERTH dealer to order the reflectors needed. Wiring Harness When installing the harnesses, do not cut or break the wire coverings.
  • Page 42 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Marking & Light Kit (89110B) (continued) Wiring Harness (continued) 2-26...

  • Page 43: Wiring Harness Layout

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Transport Marking & Light Kit (89110B) (continued) Wiring Harness Layout Wiring Harness (89467) Wiring Extn (86467) Wiring Harness (86700) Wiring Harness (86700) Wiring Harness (22790) 2-27...

  • Page 44: Main Frame Basket Rocker Arm Assembly

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Main Frame Basket Rocker Arm Assembly 1. In parts box (75859B) locate three 1 1/2” x 6” cylinders (TA0-904623-0), three 1/2”- 13UNC x 2 1/4” capscrews (9390-104) and three 1/2”-13UNC locknuts (9800). Install...

  • Page 45: Hydraulic Assembly

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly 1. Install hydraulic components to the machine. • DO NOT USE ANY TAPE OR THREAD SEALANT AS ALL FITTINGS HAVE MECHANICAL OR O-RING SEALS. THIS PREVENTS CONTAMINATION FROM TAPE OR THREAD SEAL- ANTS FROM ENTERING THE TRACTOR’S HYDRAULIC SYSTEM.

  • Page 46: Hose Routing Diagram - Standard Hydraulics

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) To Tractor HOSE ROUTING DIAGRAM 1 Standard Hydraulics 2-30...
  • Page 47 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Hydraulic Assembly (continued) 2. With the wings unfolded and all hydraulic hoses assembled, install hose wrap (75884) to each hinge area. Wrap all hoses passing through the hose retaining ring and center wrap on the ring.

  • Page 48: 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. 2-35 13UNC x 1 1/2” carriage bolts (9388-104) passing bolt through arm first. (FIG. 2-35) NOTE: 4’...

  • Page 49: Basket & Frame Assembly

    CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Basket & Frame Assembly • 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 50 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Basket & Frame Assembly (continued) 4. Remove and save the U-bolts and locknuts Fig. 2-39 from the main frame basket bolt-on mount- ing brackets (Fig. 2-39). U-bolts (901837) & Locknuts (9800) Bolt-On Bracket...
  • Page 51 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Basket & Frame Assembly (continued) 5. Using a safe lifting device rated at 750 lbs. minimum, lift basket assembly into position on the mounting arms. Identify baskets and mating wings using Table 3-2, Fig. 2-41, and Fig.

  • Page 52: Pilot Check Valve (Optional)

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

  • Page 53: Dual Hydraulic Kit #87922 (Optional)

    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 installed before installing a dual hydraulic kit.
  • Page 54 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Dual Hydraulic Kit #87922 (Optional) (continued) 91511 91383 Original/Standard Hydraulic Layout To Tractor 92927 97107 9876 (420") Route all feed hoses in LH side of frame tubes 9874 (See note for existing machines) 91534 (86")
  • Page 55 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Dual Hydraulic Kit #87922 (Optional) (continued) Dual Hydraulic Layout (Optional) 91511 91383 92927 97107 9876 (420") Route all feed hoses in LH side of frame tubes 9874 (See note for existing machines) 91534 (86")
  • Page 56 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Main Frame Weight Transfer Spring 1. Park the unit on a firm, level surface. Unfold the wings into the field working position, and lower the machine onto the transport stops. Block the wheels on the machine to keep it from moving.
  • Page 57 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Main Frame Weight Transfer Spring (continued) 5. Remove the roll pin and pivot pin from the Fig. 2-60 spring assembly. Place the assembly into Place assembly position on the bent arm. (Fig. 2-60) onto bent arm 6.
  • Page 58 CROSS-FOLD ROLLING HARROW 1645/1645D — Set Up Notes 2-42...
  • Page 59 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 Implement ..................3-4 Tire Pressure ........................3-4 Pins ............................

  • Page 60: General Operation Information

    CROSS-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

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

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Preparing Rolling Harrow Implement Perform the service checks as outlined below. Repair or replace any damaged or worn parts before operating. Tire Pressure Check tire pressure, see “MAINTENANCE” section for recommended air pressure. Be sure tire pressure is equal in all tires.

  • Page 63: Attaching To Primary Tillage Tool Or Tractor

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Attaching 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 give 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 transport position. See your Unverferth dealer to order this valve. See SETUP section the unit’s lift system from bypassing oil through the rephase system and leaking down from for hydraulic hook-up.

  • Page 65: 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 implement during the wing unfolding process.

  • Page 66: 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 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

    CROSS-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 Compliance with all laws are 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. 3-10...

  • Page 69: 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 70: Basket Pitch Adjustment (Optional)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Basket Pitch Adjustment (Optional) 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 71 CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Basket Pitch Adjustment (Optional) (continued) 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. Fig. 3-14 NOTE: Place the pins and spacers in the stor- age box when not in use (FIG.
  • Page 72 CROSS-FOLD ROLLING HARROW 1645/1645D — Operation Notes 3-14...
  • Page 73 CROSS-FOLD ROLLING HARROW 1645/1645D — Maintenance SECTION IV Maintenance Storage ............................4-2 Lubrication ..........................4-3 Replacing Basket/Drum Bearings ....................4-4 Hub Maintenance ........................4-5 Hydraulic System ........................4-6 Troubleshooting ........................... 4-7 Torque Chart ..........................4-8 Hydraulic Fittings ........................4-8 Wheels and Tires ........................4-9 Wheel Nut Torque ........................

  • Page 74: 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 75: 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 TRANSPORT WHEELS ü ü - 12 lube fittings - grease gun WING HINGE POINTS - 4 lube fitting ü...

  • Page 76: Replacing Basket/Drum 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 ROLLING HARROW soil conditioner. 2. Park unit on a firm level surface. Unfold wings, lower the implement to the ground,...

  • Page 77: Hub Maintenance

    CROSS-FOLD ROLLING HARROW 1645/1645D — Maintenance Replacing 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: 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 are double action cylinders. They are all teed together into one circuit. Depend- ing on machine configuration the machine may lift first and then fold, or fold first and then lift.

  • Page 79: 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 80: 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 81: 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 CONTROL AND MACHINE 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 82: 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: Carlisle www.carlisletire.com...

  • Page 83: Parts

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts SECTION V Parts Hitch Components ........................5-2 Combination Hitch Components ....................5-4 Main Frame Components ......................5-6 Wing Components ........................5-10 Basket Components – Model 1645 ..................5-12 Basket/Drum Components – Model 1645D ................5-14 Basket Pin Up &...

  • Page 84: Combination Hitch Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Combination Hitch Components Please visit www.unverferth.com/parts/ for the most current parts listing.
  • Page 85 CROSS-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 86 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hitch Components...
  • Page 87 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Hitch Components ITEM PART NO. DESCRIPTION QTY. NOTES 74287G Hitch A-Frame Assembly w/Decals - Model 1645/1645D (Green) Includes Items 2 through 9 74287R Hitch A-Frame Assembly w/Decals - Model 1645/1645D Red) 9003127 Reflector (Amber) 900706 Decal, Stripe 36”...

  • Page 88: Main Frame Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Main Frame Components...
  • Page 89 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Main Frame Components ITEM PART NO. DESCRIPTION NOTES 9800 Locknut 1/2-13UNC 91144-210 Spiral Pin 3/8” Dia. x 2 3/4 9393-048 Slotted Nut 2-4.5 UNC 9405-164 Flat Washer 2.125 ID 88497 Pin Weldment 2” Dia. x 5 7/8...
  • Page 90 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Main Frame Components (continued) ITEM PART NO. DESCRIPTION NOTES 9390-013 Capscrew 1/4-20UNC x 3 (Grade 5) 9936 Locknut 1/4-20UNC 9390-003 Capscrew 1/4-20UNC x 3/4 87887B Wing Stand RH Weldment 74106G Service Main Frame 15’ Base =Green=...
  • Page 91 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Notes...

  • Page 92: Wing Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Components 5-10...
  • Page 93 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Components ITEM PART NO. DESCRIPTION QTY. NOTES Wing 12’ RH Asy =Green= 75717G Wing 12’ RH Asy =Red= 75717R Wing 13’ RH Asy =Green= 75719G Wing 13’ RH Asy =Red= 75719R Wing 14’ RH Asy =Green= 75721G Wing 14’...

  • Page 94: Basket Components - Model 1645

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Basket Components - Model 1645 5-12...
  • Page 95 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Basket Components - Model 1645 QTY. PER MODEL ITEM PART NO. DESCRIPTION 39 FT. 41 FT. 43 FT. 45 FT. NOTES 77084B Basket & Frame 4’ Assembly Includes Items 77085B Basket & Frame 5’ Assembly SHOWN...

  • Page 96: Basket/Drum Components - Model 1645D

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Basket/Drum Components - Model 1645D 5-14...
  • Page 97 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Basket/Drum Components - Model 1645D QTY. PER MODEL ITEM PART NO. DESCRIPTION NOTES 39 FT. 41 FT. 43 FT. 45 FT. 9390-068 Capscrew 3/8-16UNC x 4 1/2 9928 Locknut 3/8-16UNC 97171 Capscrew 1/2-13UNC x 6 86251B Pin-Link Weldment 5/8”...

  • Page 98: Basket Pin Up & Storage Box Components

    CROSS-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 1645 - Optional 5-16...
  • Page 99 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Basket Pin Up & Storage Box Components Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 77401B Storage Box Bracket Assembly Includes Items 2 through 8 77400B Stroage Box Bracket =Black= 27741B Plate 4”...

  • Page 100: Wing Lift Wheel & Hub Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Lift Wheel & Hub Components Hub Assembly With Wheel Bolts Hub Assembly Hub Assembly With Drive-In Studs With Wheel Bolts Hub Assembly With Drive-In Studs 5-18...
  • Page 101 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Wing Lift Wheel & Hub Components ITEM PART NO. DESCRIPTION QTY. NOTES Lift Wheel Assembly Right-Hand Includes Items 2 through 8, 9A, 76818B (Hub Assembly With Wheel Bolts) 10 through 22 Lift Wheel Assembly Left-Hand...

  • Page 102: Standard Hydraulic Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Standard Hydraulic Components PORT D PORT E PORT C PORT F PORT B To Tractor PORT A DETAIL A 5-20...
  • Page 103 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Standard Hydraulic Components ITEM PART NO DESCRIPTION 91511 Dust Cap 91383 Male Tip Coupling 3/4-16 O-Ring Female Thread (3000 PSI) 92927 Adapter 9/16-18 JIC Male x 3/4-16 O-Ring Male 9501693 Hose 3/8 x 420 (3000 PSI)

  • Page 104: Dual Hydraulic Kit #87922 (Optional)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Dual Hydraulic Kit #87922 (Optional) 91534 (86") 5-22...
  • Page 105 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Dual Hydraulic Kit #87922 (Optional) ITEM PART NO. DESCRIPTION QTY. NOTES 87922 Dual Hydraulic Kit 9501684 Hose 3/8 x 68 91383 Male Tip Coupling 91511 Dust Cap 9501680 Hose 3/8 x 26 9501686 Hose 3/8 x 86...

  • Page 106: Lock/Check Valve (Optional)

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Lock/Check Valve (Optional) ITEM PART NO. DESCRIPTION NOTES Connecting Rolling Harrow to 91240 Lock/Check Valve lead machine that uses rephase hydraulics 5-24...

  • Page 107: Transport Marking & Light Kit

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Transport Marking & Light Kit (89110B) ITEM PART NO. DESCRIPTION QTY. NOTES 89110B Lights/Transport Marking Package 22790 Wiring Harness/132” 3-T 73338B Light Bracket 73433B LH Light Bracket 73434B RH Light Bracket 86467 Wiring Extension 120” - 6 Pin...

  • Page 108: Gooseneck Hitch Components

    CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Gooseneck Hitch Components — Cross Fold Model Please visit www.unverferth.com/parts/ for the most current parts listing. 5-26...
  • Page 109 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts Gooseneck Hitch Components — Cross Fold Model Please visit www.unverferth.com/parts/ for the most current parts listing. ITEM PART NUMBER DESCRIPTION NOTES 78045G Gooseneck Extension Weldment =Green= 78045R Gooseneck Extension Weldment =Red= 78157G Gooseneck Drop-down Hitch Weldment =Green=...
  • Page 110 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts 5-28...
  • Page 111 CROSS-FOLD ROLLING HARROW 1645/1645D — Parts 5-29...
  • Page 112 L:\MANUALS\ROLLINGHARROW1645/1645D\\75714.indd////March 2016-0//September 2016-1//October 2017-2//May 2019-3//April 2022-4...

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Cross-fold rolling harrow 1645d

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