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Landoll 6230 Series Operator's Manual

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MODEL 6230 DISC
OPERATOR'S MANUAL
1900 NORTH STREET
MARYSVILLE, KANSAS 66508
(785) 562-5381
F-440-1106
11/06

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Summary of Contents for Landoll 6230 Series

  • Page 1 MODEL 6230 DISC OPERATOR’S MANUAL 1900 NORTH STREET MARYSVILLE, KANSAS 66508 (785) 562-5381 F-440-1106 11/06...
  • Page 2 This exclusive remedy shall not be deemed to have failed of its essential purpose so long as Landoll Corporation is willing and able to repair or...
  • Page 3 MODEL 6230 DISC OPERATOR’S MANUAL PURCHASED FROM: DATE ADDRESS: PHONE NO.: SERIAL NO.:...
  • Page 4 NOTES:...

  • Page 5: Table Of Contents

    Table of Contents SECTION DESCRIPTION PAGE NO. INTRODUCTION ........1-1 STANDARD SPECIFICATIONS.
  • Page 6 SAFETY PRECAUTIONS THIS IS THE SAFETY ALERT SYMBOL. IT IS USED TO ALERT YOU TO POTENTIAL INJURY HAZARDS. OBEY ALL SAFETY MESSAGES THAT FOLLOW THIS SYMBOL TO AVOID POSSIBLE INJURY OR DEATH. DANGER DANGER INDICATES AN IMMINENTLY HAZARDOUS SITUA- TION WHICH, IF NOT AVOIDED, WILL RESULT IN DEATH OR SERIOUS INJURY.

  • Page 7: Introduction

    INTRODUCTION The Landoll 6230 Disc is a quality product designed to give years of trouble free performance. By fol- lowing each section of this manual, your system will perform as designed for you and your operation. SECTION 1 gives basic instructions on the use of this manual.
  • Page 8 NOTES:...

  • Page 9: Standard Specifications

    STANDARD SPECIFICATIONS 6230-21 20-7" 13'-5" 9'-8" 22" or 24" 28/30 10/8 11L x 15 2" 6 Bolt 10,810 12 ply 6230-23 23'-4" 13'-5" 10'-11" 22" or 24" 32/34 12/10 11L x 15 2" 6 Bolt 13,280 12 ply 6230-26 26'-2" 13'-5"...
  • Page 10 LANDOLL CORPORATION GENERAL TORQUE SPECIFICATIONS (REV. 4/97) THIS CHART PROVIDES TIGHTENING TORQUES FOR GENERAL PURPOSE APPLICATIONS WHEN SPECIAL TORQUES ARE NOT SPECIFIED ON PROCESS OR DRAWING. ASSEMBLY TORQUES APPLY TO PLATED NUTS AND CAPSCREWS ASSEMBLED WITHOUT SUPPLEMENTAL LUBRICATION (AS RECEIVED CONDITION).
  • Page 11 LANDOLL CORPORATION HYDRAULIC FITTING TORQUE SPECIFICATIONS JIC, ORS, & ORB (REV. 10/97) THIS CHART PROVIDES TIGHTENING TORQUES FOR HYDRAULIC FITTING APPLICATIONS WHEN SPECIAL TORQUES ARE NOT SPECIFIED ON PROCESS OR DRAWING. ASSEMBLY TORQUES APPLY TO PLATED CARBON STEEL AND STAINLESS STEEL FITTINGS ASSEMBLED WITHOUT SUPPLEMENTAL...
  • Page 12 9” 6” 24-1/4” 105” 10-1/4” 10-1/4” 26 wingstab p1 Figure 2-1 Wing Stabilizer and Light Bracket Placement (21' - 29' Models) (Left Half)
  • Page 13 8” 6” 36” 116” 10-1/4” 10-1/4” 26 wingstab p2 Figure 2-2 Wing Stabilizer and Light Bracket Placement (21' - 29' Models) (Right Half)
  • Page 14 15” 24-1/4” 95-3/4” 17-1/2” 10-1/4” 36 wingstab p2 Figure 2-3 Wing Stabilizer and Light Bracket Placement (30' - 36' Models) (Left Half)
  • Page 15 12” 99-3/4” 36” 17-1/2” 10-1/4” 36 wingstab p2 Figure 2-4 Wing Stabilizer and Light Bracket Placement (30' - 36' Models) (Right Half)

  • Page 17: Assembly Instructions

    ASSEMBLY INSTRUCTIONS HITCH) MANUALLY. USE A HOIST OR It is very important that your new 6230 Disc be A FORK LIFT TO MOVE THESE PARTS properly assembled, adjusted and lubricated before use. Illustrations to assist with the assembly pro- INTO POSITION. cess are provided in Section 2, “Standard Specifi- cations”.
  • Page 18 CENTER FRAME ASSEMBLY WING NUT 3/4-10 PREVAILING TORQUE HOSE HOLDER FLANGE CLAMP 3/8-16 HEX NUT 1/4-20 X 1 HEX HEAD CAP HOSE HOLDER SCREW BRACKET 3/8-16 X 3-1/2 1-1/8-7 HEX ALL THREAD LOCK NUT SCREW 10 AND 14 GA HITCH MACHINE BUSHINGS WELDMENT HITCH MOUNT...

  • Page 19: 6230 Disc Frame And Hitch Assembly

    3-1 6230 DISC FRAME AND HITCH ASSEMBLY IMPORTANT 3-1.2 Attach the hitch weldment to the front of the center frame using 1-1/8-7 x 7-1/2 hex READ ALL SAFETY PRECAUTIONS AT THE head cap screws, machine bushings, hitch FRONT OF THE SECTION BEFORE ATTEMPT- mounting plates, and hex lock nuts (See Fig- ING ANY OF THE FOLLOWING PROCE- ure 3-1).
  • Page 20 1N FLAT WASHER 5/16 X 2-1/2 SPRING SLOTTED PIN LEVELER PIN LEVELER SCREW ASSEMBLY 15-1/4” LEVELER LINK 3/4-10 HEX LOCK LEVELER L L 3/4-10 X 3-1/2 HEAD CAP SCREW 1-8 HEX 1-8 X 4-1/2 HEX LOCK NUT HEAD CAP SCREW CENTER LIFT 1-8 X 4 HEX 8”...

  • Page 21: Leveler Assembly

    3-2 LEVELER ASSEMBLY 3-2.1 Install a hardened steel wear bushing in 3-2.5 Install plastic wear flange bearings into both ends of the 15-1/4” leveler links. Insert the leveler L link (See Figure 3-2). the bushings on the flat side of the link. 3-2.2 Attach the leveler L link to the front 3-2.6...
  • Page 22 1/4 ZERK FITTING LEVELER TUBE 5/8-11 HEX LOCK NUT LEVELER CROSS 1-1/2 FLANGE LEVELER BEARING SCREW ASSEMBLY 1-1/2 FLAT 1-1/2-6 HEX NUT WASHER 5/8-11 X 3-1/2 HEX HEAD CAP SCREW LEVELER HANDLE 5/16 X 2-1/2 SPRING SLOTTED PIN FLANGE BEARING 1N FLAT WASHER LEVELER CROSS BRACKET 3/4-10 HEX...

  • Page 23: Manual Leveler

    3-3 MANUAL LEVELER 3-3.1 Using the manual leveler, screw the lev- 3-3.2 Install the manual leveler handle assem- eler tube onto the leveler screw assembly bly into the front end of the leveler tube and (See Figure 3-3). Initially leave approxi- fasten with two 5/8-11 x 3-1/2 hex head cap mately 3”...
  • Page 24 1/4 ZERK FITTING LEVELER TUBE LEVELER SPRING 3/8-16 HEX LOCK NUT LEVEL INDICATOR ROD 1/2-13 X 1-3/4 HEX HEAD CAP SCREW LEVEL INDICATOR GAUGE AND DECAL LEVELER CROSS 1/2-13 HEX LOCK NUT 3-1/2 X 6 LEVELER CYLINDER SCREW ASSEMBLY 1/2-13HEX 1-1/2-6 HEX NUT LOCK NUT 1/2-13 X 1-3/4...

  • Page 25: Hydraulic Leveler (Optional)

    3-4 HYDRAULIC LEVELER (OPTIONAL) 3-4.1 Thread a 1-1/2-6 hex nut onto the lev- 3-4.5 Slide the leveler cylinder cross up to the cylinder and secure with 1/2-13 x 1-3/4 hex eler screw assembly (See Figure 3-4). Ini- tially leave approximately 5” of threads visi- head cap screws and hex lock nuts.
  • Page 26 3/8-16 X 1-1/4 HEX HEAD CAP SCREW 5/8-11 HEX LOCK NUT 5/8-11 HEX NUT 5/8-11 X 3 HEX HEAD CAP SCREW 5/16-18 X 4 HEX HEAD CAP 3/8-16 HEX NUT SCREW CENTER LIFT DEPTH STOP PLATE DEPTH STOP DEPTH STOP SPACER MOUNT PLATE DEPTH STOP...

  • Page 27: Hydraulic Depth Stop Tube Assembly

    3-5 HYDRAULIC DEPTH STOP TUBE ASSEMBLY 3-5.1 Lay the depth stop tube assembly on 3-5.2 Insert 90 deg elbow fittings in the back top of the center frame. Insert a 5/8-11 x 3 and right side of the limit valve. hex head cap screw in the rear hole of the 3-5.3 Using 5/16-18 x 4 hex head cap screws...
  • Page 28 FLAT TOP BALL JOINT 1/4-28 X 4-1/2 ALL 3/8-16 X 1-1/4 HEX THREAD STUD HEAD CAP SCREW 1/4-28 HEX NUT 5/8-11 HEX LOCK NUT 1/4 SPLIT LOCK 5/8-11 X 3 HEX WASHER HEAD CAP SCREW 5/8-11 HEX DEPTH STOP 10-24 HEX MOUNT LOCK NUT PLATE...

  • Page 29: Electronic Depth Stop (Optional)

    3-6 ELECTRONIC DEPTH STOP (OPTIONAL) 3-6.1 Attach electronic depth control 3-6.2 Adjust the control rod linkage to 5-1/2" mounting bracket to the middle cross bar of length and connect the depth control lever to the center frame using a 5/8 x 4 x 6-1/2 the depth stop mounting plate.

  • Page 30: Fold Cylinder Mount

    LOCATION ON 26’ AND 29’ MODELS 5/8-11 HEX LOCATION ON LOCK NUT 21’, 23’, AND 29’ MODELS FOLD CYLINDER MOUNT 5/8 X 4 X 6-1/2 U-BOLT 21’ - 29’ MODELS LOCATION ON 30 - 36 ’ ’ MODELS 5/8-11 HEX LOCATION ON LOCK NUT 33’...
  • Page 31 3-7 FOLD CYLINDER MOUNT 3-7.1 For 21’-23’ models, assemble the fold 3-7.3 For 29’ models, assemble two fold cylin- cylinder mount to the rear cross bar where der mounts to the center frame using 5/8 x 4 the center rear gangs meet in the frame (See x 6-1/2 u-bolts and hex lock nuts (See Fig- Figure 3-7).
  • Page 32 3/4-10 X 2 HEX NOTE: MOST RIGHT DISC GANG HEAD CAP SCREW ASSEMBLIES NOT SHOWN FOR CLARITY. T REAR CENTER FRAME DISC GANG CONNECTION RIGHT REAR CENTER FRAME DISC GANG ASSEMBLY 3/4-10 HEX LOCK LEFT REAR CENTER FRAME DISC GANG ASSEMBLY HINGE PIN 1-8 HEX...

  • Page 33: Center Frame Tires

    3-8 CENTER FRAME TIRES 3-8.1 Install the tire and wheel assemblies on the center section. 3-9 DISC GANGS DANGER 3-9.1 Attach the disc gang assemblies to the center section using 3/4-10 x 2 grade 8 hex head cap screws and hex lock nuts (See DISC BLADES ARE EXTREMELY Figure 3-8).
  • Page 34 WING LOCK 3/4-10 X 2 HEX HEAD CAP SCREW 1/4 X 3 ROLL RIGHT WING FRAME FRONT GAUGE WING WHEEL ASSEMBLY STABILIZER U-BOLT 1-8 X 6 HEX HEAD CAP SCREW WING STABILIZER BRACKET 3/16 HAIR PIN 5/8-11 HEX LOCK GAUGE WHEEL SPACER 1-8 HEX LOCK NUT WING LIFT WHEEL...

  • Page 35: Wing Frames

    3-10 WING FRAMES 3-10.1 Place the wing frames on top of the 3-10.4 Mount the wing stabilizer brackets to wing gang assemblies and attach using the wing frames using u-bolts and hex lock 3/4-10 x 2 hex head cap screws and hex nuts.
  • Page 36 3/8 X 82 SLAVE DECAL 1/8 HAIR PIN HOSE ASSEMBLY 3-3/4 X 10 HYDRAULIC CYLINDER MASTER CYLINDER STOP L-PIN SLAVE DECAL 3/8 X 146 HOSE 4 X 10 ASSEMBLY HYDRAULIC CYLINDER 1-3/8 X 10 LOCKOUT 3/8 X 30 HOSE ASSEMBLY LIMIT VALVE MASTER 3/8 X 22 HOSE...
  • Page 37 5/16 X 2-1/2 SPRING SLOTTED PIN 1-1/4N FLAT WASHER FOLD PIN 90 ELBOW 4 X 30 HYDRAULIC RESTRICTOR CYLINDER 3/8 X HOSE ASSEMBLY ADAPTER 90 3/4-16 MALE 3/8 X 22 COUPLER HOSE ASSEMBLY 3/8 X 320 1/2-13 X 3-1/2 HEX HOSE HEAD CAP SCREW ASSEMBLY...
  • Page 38 3/8 X 96 SLAVE DECAL 1/8 HAIR PIN HOSE ASSEMBLY 3-3/4 X 10 HYDRAULIC CYLINDER MASTER CYLINDER STOP L-PIN SLAVE DECAL 3/8 X 159 HOSE 4 X 10 ASSEMBLY HYDRAULIC CYLINDER 1-3/8 X 10 LOCKOUT 3/8 X 30 HOSE ASSEMBLY LIMIT VALVE MASTER 3/8 X 22 HOSE...
  • Page 39 5/16 X 2-1/2 SPRING SLOTTED PIN 1-1/4N FLAT WASHER FOLD PIN 90 ELBOW 4 X 30 HYDRAULIC RESTRICTOR CYLINDER 3/8 X HOSE ASSEMBLY ADAPTER 90 3/4-16 MALE 3/8 X 22 COUPLER HOSE ASSEMBLY 3/8 X 320 1/2-13 X 3-1/2 HEX HOSE HEAD CAP SCREW ASSEMBLY...
  • Page 40 3/8 X 110 SLAVE DECAL 1/8 HAIR PIN HOSE ASSEMBLY 3-3/4 X 10 HYDRAULIC CYLINDER MASTER CYLINDER STOP L-PIN SLAVE DECAL 3/8 X 175 HOSE 4 X 10 ASSEMBLY HYDRAULIC CYLINDER 1-3/8 X 10 LOCKOUT 3/8 X 30 HOSE ASSEMBLY LIMIT VALVE MASTER 3/8 X 22 HOSE...
  • Page 41 5/16 X 2-1/2 SPRING SLOTTED PIN 1-1/4N FLAT WASHER FOLD PIN 90 ELBOW 4 X 30 HYDRAULIC RESTRICTOR CYLINDER 3/8 X HOSE ASSEMBLY 3/4-16 MALE 3/8 X 36 COUPLER HOSE ASSEMBLY 3/8 X 215 HOSE ASSEMBLY 1/2-13 X 3-1/2 HEX HEAD CAP SCREW 3/8 X 36 HOSE AND HEX LOCK NUT...
  • Page 42 3/8 X 128 SLAVE DECAL 1/8 HAIR PIN HOSE ASSEMBLY 3-3/4 X 10 HYDRAULIC CYLINDER MASTER CYLINDER STOP L-PIN SLAVE DECAL 3/8 X 192 HOSE 4 X 10 ASSEMBLY HYDRAULIC CYLINDER 1-3/8 X 10 LOCKOUT 3/8 X 30 HOSE ASSEMBLY LIMIT VALVE MASTER 3/8 X 22 HOSE...
  • Page 43 5/16 X 2-1/2 SPRING SLOTTED PIN 1-1/4N FLAT FRONT WASHER MACHINE PLUG PORTS U & V FOLD PIN 1-1/4N 90 ELBOW 4 X 30 HYDRAULIC FLAT RESTRICTOR CYLINDER WASHER 3/8 X HOSE 90 ELBOW W/ FOLD PIN ASSEMBLY RESTRICTOR 3/8 X 42 3/8 X HOSE HOSE...
  • Page 44 3/8 X 120 SLAVE DECAL 1/8 HAIR PIN HOSE ASSEMBLY 3-3/4 X 10 HYDRAULIC CYLINDER MASTER CYLINDER STOP L-PIN SLAVE DECAL 3/8 X 190 HOSE 4 X 10 ASSEMBLY HYDRAULIC CYLINDER 1-3/8 X 10 LOCKOUT 3/8 X 75 HOSE ASSEMBLY LIMIT VALVE MASTER 3/8 X 22 HOSE...
  • Page 45 5/16 X 2-1/2 SPRING SLOTTED PIN 1-1/4N FLAT WASHER FOLD PIN 90 ELBOW 4 X 30 HYDRAULIC RESTRICTOR CYLINDER 3/8 X 75 HOSE ASSEMBLY 3/4-16 MALE 3/8 X 40 COUPLER HOSE ASSEMBLY 3/8 X 215 1/2-13 X 3-1/2 HEX HOSE HEAD CAP SCREW ASSEMBLY AND HEX LOCK NUT...
  • Page 46 3/8 X 136 SLAVE DECAL 1/8 HAIR PIN HOSE ASSEMBLY 3-3/4 X 10 HYDRAULIC CYLINDER MASTER CYLINDER STOP L-PIN SLAVE DECAL 3/8 X 206 HOSE 4 X 10 ASSEMBLY HYDRAULIC CYLINDER 1-3/8 X 10 LOCKOUT 3/8 X 72 HOSE ASSEMBLY LIMIT VALVE MASTER 3/8 X 22 HOSE...
  • Page 47 5/16 X 2-1/2 SPRING SLOTTED PIN 1-1/4N FLAT FRONT WASHER MACHINE PLUG PORTS S & T FOLD PIN 90 ELBOW W/ 1-1/4N 4 X 30 HYDRAULIC RESTRICTOR FLAT CYLINDER WASHER 3/8 X 75 HOSE 90 ELBOW W/ ASSEMBLY FOLD PIN RESTRICTOR 3/8 X 40 HOSE ADAPTER...

  • Page 48: Hydraulic Installation

    3-11 HYDRAULIC INSTALLATION CAUTION Note: Refer to Figures 3-10 - 3-21 for lift and fold hydraulic diagrams for each disc model. RESTRICTORS ARE INSTALLED TO PREVENT UNCONTROLLED DROP- 3-11.1 Install the 4 x 10 master lift cylinders on the center frame lifts and frame using the PING OF WINGS.

  • Page 49: Light Installation

    RH BRACKET WELDMENT REAR WARNING MAIN WARNING LIGHT LIGHT HARNESS HARNESS 1/4-20 HEX WING STABILIZER LOCK NUT U-BOLT 1/2-13 HEX LH BRACKET LOCK NUT WELDMENT 1/2-13 X 7-1/2 YELLOW HEX HEAD CAP REFLECTOR SCREW AMBER SINGLE ENHANCED LAMP LIGHTING MODULE #8-32 X 1/2 PAN HEAD SLOTTED...

  • Page 50: Rear Tow Hitch (Optional)

    REAR TOW HITCH CLAMP PLATE 5/8-11 X 6-1/2 HEX HEAD CAP SCREW REAR TOW HITCH 5/8-11 HEX LOCK ASSEMBLY rear hitch assy Figure 3-23 Rear Tow Hitch Installation 3-13 REAR TOW HITCH (OPTIONAL) 3-13.1 Attach the rear tow hitch assembly to the rear bar of the center frame using rear tow hitch clamp plates, 5/8-11 x 6-1/2 hex head cap screws, and hex lock nuts (See...

  • Page 51: Final Assembly

    3-14 FINAL ASSEMBLY 3-14.6 Check tires for proper inflation 3-14.1 Attach a tractor to the implement and 3-14.7 Level the disc from side to side as de- charge the lift system hydraulics as de- scribed in Section 4-8. scribed is Section 4-4. 3-14.8 Inspect the final implement assembly, 3-14.2...
  • Page 52 NOTES: 3-36...

  • Page 53: Operation And Maintenance

    OPERATION AND MAINTENANCE DANGER DANGER NEVER ALLOW ANYONE TO RIDE ON ALWAYS LOCK THE TRACTOR DRAW- THE 6230 DISC AT ANY TIME. ALLOW- BAR IN THE CENTER POSITION WHEN ING A PERSON TO RIDE ON THE MA- TRANSPORTING THE UNIT. FAILURE CHINE CAN INFLICT SERIOUS PER- TO DO SO CAN RESULT IN SERIOUS SONAL INJURY OR DEATH TO THAT...

  • Page 54: Tractor Preparation

    4-1 TRACTOR PREPARATION The Landoll 6230 Disc is designed to be pulled 4-1.1 Inflate the rear tractor tires equally and by tractor equipped with a double lip or clevis type add ballast according to the tractor opera- hitch. If your tractor is not equipped as such, you tor’s manual.

  • Page 55: Attaching To The Tractor

    4-3 ATTACHING TO THE TRACTOR 4-3.3 Clean all hydraulic couplings and attach 4-3.1 Align the tractor drawbar with the ma- to the tractor. chine. Raise or lower the disc ring hitch, as 4-3.4 Fully extend the hydraulic lift wheel cyl- needed, using the swivel jack.
  • Page 56 4-4.2 The hydraulic system is not filled with oil 4-4.3 Always fully extend the cylinders and and should be purged of air before transport- hold the lever to ensure the cylinders are ing and field operations. Carefully hitch the rephased before starting any field operation. disc to the tractor and connect the hydraulic This will keep all cylinders in time and frame lift hoses.

  • Page 57: Hydraulic Fold System

    4-5 HYDRAULIC FOLD SYSTEM 4-5.1 The disc is equipped with a hydraulic 4-5.3 To charge the system, carefully hitch fold system to raise and lower the wing the disc to the tractor. Unpin the end(s) of frames for narrow transport. the fold cylinders, and position them so they 4-5.2 Be sure the system is fully charged with...
  • Page 58 4-5.5 To fold/unfold the disc, find a level area 3/16 HAIR PIN large enough to accommodate the disc when it is fully unfolded. The tractor should be WING STABILIZER stopped and not moving with the unit fully BRACKET raised. Remove the transport lock pins from the mounts and install them in the storage lo- cations (See Figures 4-5 and 4-6).

  • Page 59: General Operation

    4-6 GENERAL OPERATION 4-6.3 Lift wheels must always be in contact 4-6.1 The horsepower requirements are typi- with the ground and carrying some imple- cally 8-10 horsepower per foot of cut. This ment weight. Lift wheels are used to gauge will vary widely due to speed, depth, mois- the depth of each frame section and to con- ture, residue and types of soils.

  • Page 60: Leveling (Side To Side)

    4-8 LEVELING (SIDE TO SIDE) 4-8.1 Leveling the disc side-to-side involves leveling the wing frame to the center frame. The unit should be level side-to-side when operating in the field. 4-8.2 An adjustable radius rod connects the main lifts together on the center frame and keeps them operating in unison.
  • Page 61 4-8.4 An adjusting wrench is provided to make this adjustment. It may be necessary BASE END to lower the wing to the ground and relieve ADJUSTMENT weight on the cylinder anchor to make this adjustment. If required, fully raise the imple- WING ment, lower to just above the ground, and FRAME...

  • Page 62: Leveling (Front-To-Rear)

    4-9 LEVELING (FRONT-TO-REAR) 4-9.1 The leveling feature on the disc is used 4-9.3 On machines with manual leveler ad- to keep the disc level when raising the unit justment, turn the leveler handle in or out to from a working position to a transport posi- adjust the front-to-rear level (See Figure tion.

  • Page 63: Hydraulic Leveler Gauge Adjustment

    LEVELER SCREW ASSEMBLY 4 X 30 FOLD CYLINDER 1-1/2-6 HEX LOCK NUT LEVELER TUBE LEVEL INDICATOR GAUGE LEVEL INDICATOR ROD 6230hydlevel 1 Figure 4-11 Hydraulic Leveler Gauge Adjustment 4-10 HYDRAULIC LEVELER GAUGE ADJUSTMENT If a unit is equipped with an optional hydraulic 4-10.4 Screw the leveler tube in or out.

  • Page 64: Variable Ratio Adjustment

    4-11 VARIABLE RATIO ADJUSTMENT The leveler is also equipped with a variable ra- LEVELER SCREW tio adjustment. This is located at the rear of the ASSEMBLY leveler and above the center lift. Connect the lev- eler link to the top holes of the center lift mount for LEVELER normal discing operations.

  • Page 65: Hitch Adjustment

    4-12 HITCH ADJUSTMENT 4-12.1 It is important for the disc to maintain a proper draft line with the tractor to do a level LEVELER BALL job of discing. The draft line will vary de- JOINT LINK pending on soil conditions and tractor drawbar height.

  • Page 66: Scraper Adjustment

    4-13 SCRAPER ADJUSTMENT The disc is equipped with rigid scrapers at reg- 4-13.1 Rigid scrapers should be set initially as ular spools with dual scrapers at the disc bearings. close to the disc blade as possible without rubbing (approximately 1/8") (See Figure 4-14).

  • Page 67: Harrows

    4-14 HARROWS 4-14.1 Refer to harrow manuals for operation and maintenance instructions. 4-15 FRONT GAUGE WHEELS IMPORTANT 4-15.1 The disc is equipped with castering gauge wheels at the outer front corners of EXCESSIVE DOWN PRESSURE CAN CAUSE each wing. These gauge wheels are used to THE IMPLEMENT TO THROW A CENTER limit depth of the wings, and prevent gouging RIDGE.

  • Page 68: Disc Blades

    4-16 DISC BLADES DANGER 4-16.1 The 6230 disc is equipped with full con- cavity disc blades on both front and rear. This is 3” concavity for 24” diameter blades DISC BLADES ARE EXTREMELY and 2-1/2” concavity for 22” diameter disc SHARP.

  • Page 69: Depth Stop Adjustment (Manual)

    4-17 DEPTH STOP ADJUSTMENT (MANUAL) The operating depth of the disc is controlled by a single-point depth stop. The stop is located at DEPTH STOP TUBE the center front of the machine. 4-17.1 Adjust the depth stop by turning the DEPTH STOP GAUGE handle in (clockwise) to increase operating depth (See Figure 4-16).

  • Page 70: Electronic Depth Control Adjustment

    4-18 ELECTRONIC DEPTH CONTROL ADJUSTMENT The optional Electronic depth control is avail- 4-18.1 To be able to use the Electronic Depth able to work with John Deere 7720, 7820, 7920 Control, adjust the connecting linkage be- tween the depth control lever and the depth (IVTÔ...

  • Page 71: Wheel Bearing Maintenance

    4-19 WHEEL BEARING MAINTENANCE 4-19.7 Slide the inner bearing cone and hub Wheel bearing maintenance should be per- onto the spindle. formed at the beginning of every season of use. 4-19.8 Install the outer bearing cone, washer Check the wheel bearings periodically for exces- and slotted nut.

  • Page 72: Transport

    4-21 TRANSPORT 4-21.1 Check and follow all federal, state, and local requirements before transporting the disc. 4-21.2 The disc should be transported only by tractor required for field operation. The imple- ment weight should not exceed more than 1.5 times the tractor weight. Unless noted on the implement, maximum transport speed is 20 mph for the implement.
  • Page 73 4-21.6 Raise the unit to full transport height. 1-3/8 x 10 TRANSPORT 4-21.7 Install transport locks on both lift and LOCKOUT fold systems. Do not depend solely on imple- ment hydraulics for transport. (See Figure L PIN 4-18). WARNING FAILURE TO USE TRANSPORT LOCK PINS DURING TRANSPORT MAY RE- SULT IN PERMANENT EQUIPMENT DAMAGE, SERIOUS INJURY, OR...
  • Page 74 6230 lube Figure 4-19 Lubrication Schedule LUBRICATION TABLE ITEM DESCRIPTION NO. OF LUBE POINTS INTERVAL (Hours unless stated) Disc Gang Bearings 1 each Radius Rod Walking Tandem Hubs 1 each Wheel Hubs 1 each Front Gauge Wheel Hubs 1 each Manual Leveler Tube Hydraulic Leveler Tube (Optional) Table 4-3 Lubrication Table...

  • Page 75: Lubrication Maintenance

    4-22 LUBRICATION MAINTENANCE 4-22.1 Table 4-3 specifies the number and the not harm the seal. Regular lubrication will maintain a full grease cavity and help purge period of lubrication points on the 6230 Disc. Proper maintenance of your machine will, un- any contaminants.
  • Page 76 NOTES 4-24...

  • Page 77: Troubleshooting Guide

    TROUBLESHOOTING GUIDE The Troubleshooting Guide, shown below, is included to help you quickly locate problems that can hap- pen using your 6230 Disc. Follow all safety precautions stated in the previous when making any adjust- ments to your machine. PROBLEM PROBABLE CAUSE:SOLUTION UNIT NOT LEVEL, LEAVING CENTER RIDGE Leveler not adjusted properly: adjust leveler, lower...
  • Page 78 UNIT SIDE DRAFTS OR MOVES SIDE TO SIDE Lift wheels not carrying enough weight: adjust depth stop and raise implement. Unit not level front to rear: adjust unit to be level. Level unit side to side: level center frame and wing frame to center frame side to side.
  • Page 79 DISC GANG BEARING SNAP RING Gang bearings installed incorrectly: install POPS OUT bearings with snap ring away from concave side of disc blade. SCRAPERS BUILD UP WITH EXCESSIVE Scrapers set too far from disc blade: readjust SOIL/RESIDUE scrapers. DISC BLADES LOOSE AND/OR SHEARING Gang not tightened properly: retighten gang shafts ROLL PIN to 1250-1500 ft-lbs.
  • Page 80 NOTES:...

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