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Landoll 6250 Operator's Manual

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Model 6250 Disc
Operator's Manual
LANDOLL CORPORATION
1900 North Street
Marysville, Kansas 66508
(785) 562-5381
800-428-5655 ~ WWW.LANDOLL.COM
F-733-1118
11/2018-Present

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Summary of Contents for Landoll 6250

  • Page 1 Model 6250 Disc Operator’s Manual LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM F-733-1118 11/2018-Present...

  • Page 3: Table Of Contents

    6250 Disc Frame and Hitch Assembly ........
  • Page 4 6250 Disc Wheel Bearing Maintenance ........

  • Page 5: Introduction And Safety Information

    Introduction and Safety Information Introduction The Landoll Model 6250 Disc is a quality product designed to give years of trouble free performance. By following each section of this manual, your system will perform as designed for you and your operation.

  • Page 6: Understanding Safety Statements

    1.5 times the weight of the towing vehicle. vehicle. The safety statements contained in this manual relate to 3. Carry reflectors or flags to mark the tractor and the operation of the Model 6250 Disc. implement in case of breakdown on the road. F-733-1118...

  • Page 7: Attaching, Detaching, And Storage

    INTRODUCTION AND SAFETY INFORMATION Protective Equipment 4. Do not transport at speeds over 20 MPH under good conditions. Never travel at a speed which does not 1. Wear protective clothing and equipment. allow adequate control of steering and stopping. Reduce speed if towed load is not equipped with 2.

  • Page 8: Safety Chain

    INTRODUCTION AND SAFETY INFORMATION Safety Chain 2. A second chain should be used between each implement. 1. Use a chain with a strength rating equal to or greater 3. Attach the chain to the tractor drawbar support or than the gross weight of towed machinery, which is specified anchor location.

  • Page 9: Standard Specifications

    Chapter 2 Standard Specifications Model Specifications 6250 Disc Model Number 6250-40 6250-45 6250-50 Working Width 40'-0” 45'-0” 50'-0” Transport Width 17'-6” 17'-6” 17'-6” Transport Height 11'-0” 12'-3” 13'-6” Blade Diameter 24” 24” 24” Number of Blades (W/8-3/4” Spacing) 56/58 62/64 69/71 Number of Blades (W/7”...
  • Page 10 STANDARD SPECIFICATIONS Tire Inflation Tire Size Tire Manufacturer Ply/Load Rating Inflation Pressure (Psi) (Max.) 235/75R17.5 Double Coin 16 Ply (Load Range H)/6,005 lbs. 125 psi 320/70R15 Firestone Load Index 144/6,150 lbs @ 40 mph. 70 psi 32/1550 X R16.5 Galaxy G Load/8,000 lbs.

  • Page 11: General Torque Specifications (Rev. 4/97)

    STANDARD SPECIFICATIONS General Torque Specifications (rev. 4/97) TORQUE SPECIFIED IN FOOT POUNDS - 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 12: Hydraulic Fitting Torque Specifications

    STANDARD SPECIFICATIONS Hydraulic Fitting Torque Specifications TORQUE IS SPECIFIED IN FOOT POUNDS- 37 JIC, ORS, & ORB (REV. 10/97) 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 13 STANDARD SPECIFICATIONS Table provided for general use. NOTES:...
  • Page 14 STANDARD SPECIFICATIONS 5-1/2 REEL 24-1/2 STOPS YELLOW REFLECTOR DECAL 6250-40 placement p1 Figure 2-1: Wing Stabilizer and Light Bracket Placement (40' Model) (Left Half) F-733-1118...
  • Page 15 STANDARD SPECIFICATIONS 5-1/2 REEL 24-1/2 STOPS YELLOW REFLECTOR DECAL 6250-40 placement p2 Figure 2-2: Wing Stabilizer and Light Bracket Placement (40' Model) (Right Half)
  • Page 16 STANDARD SPECIFICATIONS REEL ARM 5-1/2 STOPS 24-1/2 YELLOW REFLECTOR DECAL 6250-45 placement p1 Figure 2-3: Wing Stabilizer and Light Bracket Placement (45' Model) (Left Half) F-733-1118...
  • Page 17 STANDARD SPECIFICATIONS REEL ARM 5-1/2 STOPS 24-1/2 YELLOW REFLECTOR DECAL 6250-45 placement p2 Figure 2-4: Wing Stabilizer and Light Bracket Placement (45' Model) (Right Half)
  • Page 18 STANDARD SPECIFICATIONS REEL ARM 5-1/2 STOPS 24-1/2 YELLOW REFLECTOR DECAL 6250-50 placement p1 Figure 2-5: Wing Stabilizer and Light Bracket Placement (50' Model) (Left Half) 2-10 F-733-1118...
  • Page 19 STANDARD SPECIFICATIONS REEL ARM 5-1/2 STOPS 24-1/2 YELLOW REFLECTOR DECAL 6250-50 placement p2 Figure 2-6: Wing Stabilizer and Light Bracket Placement (50' Model) (Right Half) 2-11...
  • Page 20 STANDARD SPECIFICATIONS DETAIL A 29-1/2 43-1/2 EXTRA SCRAPER PLATE DETAIL A USED ON OUTER TIRES ONLY dual tire scraper installation Figure 2-7: Dual Tire Scraper Installation 2-12 F-733-1118...
  • Page 21 STANDARD SPECIFICATIONS Table provided for general use. NOTES: 2-13...
  • Page 22 STANDARD SPECIFICATIONS REAL ARM STOPS 10-1/4 U-BOLT MOUNT YELLOW REFLECTOR 6250-40 Harrow placement p1 Figure 2-8: Coil Tine Harrow Placement (40’ Model) (1 of 2) 2-14 F-733-1118...
  • Page 23 STANDARD SPECIFICATIONS REAL ARM STOPS 10 1/4 U-BOLT MOUNT YELLOW REFLECTOR 6250-40 harrow placement p2 Figure 2-9: Coil Tine Harrow Placement (40’ Model) (2 of 2) 2-15...
  • Page 24 STANDARD SPECIFICATIONS REEL ARM STOPS U-BOLT MOUNT YELLOW REFLECTOR 6250-45 harrow placement p1 Figure 2-10: Coil Tine Harrow Placement (45’ Model) (1 of 2) 2-16 F-733-1118...
  • Page 25 STANDARD SPECIFICATIONS REEL ARM STOPS U-BOLT MOUNT YELLOW REFLECTOR 6250-45 harrow placement p2 Figure 2-11: Coil Tine Harrow Placement (45’ Model) (2 of 2) 2-17...
  • Page 26 STANDARD SPECIFICATIONS REEL ARM STOPS 2-7/8 1-1/2 U-BOLT MOUNT YELLOW REFLECTOR 6250-50 harrow placement p1 Figure 2-12: Coil Tine Harrow Placement (50’ Model) (1 of 2) 2-18 F-733-1118...
  • Page 27 STANDARD SPECIFICATIONS REEL ARM STOPS U-BOLT MOUNT 1-1/2 YELLOW REFLECTOR 6250-50 harrow placement p2 Figure 2-13: Coil Tine Harrow Placement (50’ Model) (2 of 2) 2-19...
  • Page 28 Page Intentionally Blank...

  • Page 29: Assembly Instructions

    Chapter 3 Assembly Instructions It is very important that your new 6250 Disc be properly  DANGER assembled, adjusted and lubricated before use. Illustrations to assist with the assembly process are Disc blades are extremely sharp. Exercise provided in “Standard Specifications” on page 2-1.
  • Page 30 3/4-10 X 8-1/2 HEX HEAD CAP SCREW 3/4-10 X 8-1/2 HEX W/FLAT WASHER HEAD CAP SCREW W/FLAT WASHER LEFT CENTER REAR DISC GANG ASSEMBLY LEFT CENTER FRONT DISC GANG ASSEMBLY 6250 center frame disc gang inst Figure 3-1: Center Disc Gang Installation F-733-1114...

  • Page 31: Disc Gangs

    ASSEMBLY INSTRUCTIONS Disc Gangs Mounting Center Frame Tires and Wheels  DANGER Install the tire and wheel assemblies on the center section. The center frame tires uses 235/75R17.5 tIres Disc blades are extremely sharp. Exercise with 8-bolt walking dual wheels and 4” slip-in spindles. extreme care when working on or near disc blades.
  • Page 32 ASSEMBLY INSTRUCTIONS Figure 3-3: Inner Wing Frame Installation F-733-1114...

  • Page 33: Dual Tire Scraper Installation

    ASSEMBLY INSTRUCTIONS 3/4-10 X 1-3/4 HEX HEAD CAP SCREW (USED WHEN SCRAPER PLATE NOT USED) 3/4-10 X 2-1/4 HEX HEAD CAP SCREW (USED WHEN SCRAPER PLATE IS USED) U-BOLT 3/4-10 HEX LOCK NUT SCRAPER MOUNT SCRAPER PLATE (USED WITH OUTER TIRES ONLY) DUAL TIRE SCRAPER m170214 op Figure 3-4: Dual Tire Scraper Installation...
  • Page 34 HEX HEAD CAP SCREW LEFT OUTER WING FRONT DISC GANG 1-3/4 X 9-3/4 HINGE PIN ASSEMBLY GANG SHAFT WASHER 1-3/4 SNAP RING 1-3/4 X 9-3/8 LOCK PIN DETAIL A 6250 outer gang inst Figure 3-5: Outer Wing Frame Installation F-733-1114...

  • Page 35: Outer Wing Frames

    1-3/4 X 9-3/4 HINGE WASHER ON BOTH SIDES 1-3/4 X 9-3/8 PIN W/ SNAP RINGS 1-3/4 X 9-3/8 PIN W/ SNAP RINGS THRUST WASHER (STAINLESS STEEL) 1-3/4 X 9-3/4 HINGE RIGHT FRONT HINGE SHOWN 6250-45-fold-1 Figure 3-7: Outer Wing Frame Hinge Assembly...
  • Page 36 1/4-20 HEX HEAD CAP SCREW LOCK NUT HITCH 1/2-13 X 11 HEX HEAD CAP SCREW HITCH RING 3/4-10 X 10-1/2 HEX 41,000 LB. SAFETY HEAD CAP SCREW CHAIN 6250 frame and hitch assy Figure 3-8: Frame and Hitch Assembly Installation F-733-1114...

  • Page 37: 6250 Disc Frame And Hitch Assembly

    ASSEMBLY INSTRUCTIONS 6250 Disc Frame and Hitch NOTE Assembly The hitch may be assembled in the upper or lower position depending on matching tractor drawbar height. IMPORTANT See “Hitch Adjustment” on page 4-11 for proper adjustment. Read all safety precautions at the front of the section 2.
  • Page 38 ASSEMBLY INSTRUCTIONS Figure 3-9: Leveler Assembly Installation 3-10 F-733-1114...

  • Page 39: Leveler Assembly

    ASSEMBLY INSTRUCTIONS Leveler Assembly 6. Attach leveler tower to the top of the leveler ball joint link with hitch pin, 1/2 x 2-1/4 grooved alloy pin, (2) 1. Attach rear of leveler assembly to the center left lift 1-1/2” washers, and 1-8 hex lock nut. using the leveler pins through the leveler base/cross.

  • Page 40: Depth Stop Tube Installation

    LIMIT VALVE 90 ADAPTER 5/16-18 HEX LOCK NUT 6250-depth stop tube op Figure 3-10: Depth Stop Tube Installation Depth Stop Tube Installation 3. Insert 90º elbow fitting in the front of the limit valve. 4. Using 5/16-18 x 5 hex head cap screws secure the 1.
  • Page 41 (A-2) 3/8 X 128 HOSE ASSEMBLY (M-1) (E-1) 3/8 X 90 HOSE ASSEMBLY (F-1) (N-1) (A-1) (N-2) (N-3) (F-2) FRONT OF MACHINE PLUG PORTS G & H 6250-40 lift hyd assembly op Figure 3-11: Lift Hydraulic Installation (40’ Model) 3-13...
  • Page 42 3/8 X 161 3/8 X 136 HOSE ASSEMBLY HOSE ASSEMBLY 3/8 X 202 HOSE ASSEMBLY NOTE: ALL FOLD CYLINDERS ARE 4 X 30 HYDRAULIC CYLINDERS (P/N 140472) 6250-40 fold hyd assembly op Figure 3-12: Fold Hydraulic Installation (40’ Model) 3-14 F-733-1114...
  • Page 43 (A-2) 3/8 X 136 HOSE ASSEMBLY (M-1) (E-1) 3/8 X 105 HOSE ASSEMBLY (F-1) (N-1) (A-1) (N-2) (N-3) (F-2) FRONT OF MACHINE PLUG PORTS G & H 6250-45 lift hyd assembly op Figure 3-13: Lift Hydraulic Installation (45’ Model) 3-15...
  • Page 44 3/8 X 168 3/8 X 150 HOSE ASSEMBLY HOSE ASSEMBLY 3/8 X 222 HOSE ASSEMBLY NOTE: ALL FOLD CYLINDERS ARE 4 X 30 HYDRAULIC CYLINDERS (P/N 140472) 6250-45 fold hyd assembly op Figure 3-14: Fold Hydraulic Installation (45’ Model) 3-16 F-733-1114...
  • Page 45 (A-2) 3/8 X 156 HOSE ASSEMBLY (M-1) (E-1) 3/8 X 120 HOSE ASSEMBLY (F-1) (N-1) (A-1) (N-2) (N-3) (F-2) FRONT OF MACHINE PLUG PORTS G & H 6250-50 lift hyd assembly op Figure 3-15: Lift Hydraulic Installation (50’ Model) 3-17...
  • Page 46 ASSEMBLY NOTE: ALL INNER FOLD CYLINDERS ARE 4-1/2 X 30 HYDRAULIC CYLINDERS (P/N 167575) ALL OUTER FOLD CYLINDERS ARE 4 X 30 HYDRAULIC CYLINDERS (P/N 140472) 6250-50 fold hyd assembly op Figure 3-16: Fold Hydraulic Installation (50’ Model) 3-18 F-733-1114...
  • Page 47 ASSEMBLY INSTRUCTIONS Figure 3-17: Transport Lock and Fold Hydraulic Assembly Details 3-19...
  • Page 48 6250 cylinder pins Figure 3-18: Fold Hydraulic Assembly 3/8-16 x 1-3/4 HEX HEAD CAP SCREW 3/8 FLAT WASHER HOSE CLAMP HOSE CLAMP BRACKET 3/8-16 HEX LOCK NUT SCRAPER BAR 6250 hose clamp assembly Figure 3-19: Hose Clamp Assembly 3-20 F-733-1114...

  • Page 49: Hydraulic Installation

    1. Attach the base end of the 4 x 30 (6250-40’/ 7. Install the 16 port front manifold to the manifold 6250-45’) or 4-1/2 x 30 (6250-50’) fold cylinder to the...
  • Page 50 OUTER WING STOP INSTALLED AT LANDOLL WING STABILIZER 3/4-10 X 5 HEX HEAD CAP SCREW FOLD STABILIZER MOUNT INSTALLED AT LANDOLL 6250-40 AND -45 MODELS 6250-50 MODEL 6250 wing stabilizer mounting p1 Figure 3-20: Wing Stabilizer Bracket Mounting Installation 3-22 F-733-1114...
  • Page 51 ASSEMBLY INSTRUCTIONS Figure 3-21: Hydraulic Fitting Installation 3-23...
  • Page 52 HEX HEAD CAP SCREW RED REFLECTOR 1/4-20 X 1-1/2 ORANGE STRIPE HEX HEAD CAP SCREW 1/4-20 X 1-1/4 AG AMBER SINGLE LED HEX HEAD LAMP 34” EXTENSION CAP SCREW HARNESS 6250 elect assy Figure 3-22: Light and SMV Bracket Installation 3-24 F-733-1114...

  • Page 53: Led Light And Smv Bracket Installation

    ASSEMBLY INSTRUCTIONS LED Light and SMV Bracket IMPORTANT Installation Make sure lights are positioned for maximum visibility from the rear. 1. Attach lights and mounting brackets to the center frames using u-bolts, 3/4-10 x 6 hex head cap 6. Install the rear warning light harness to the frame. screws, hex nuts, and hex lock nuts (See Connect 2 pin and 3 pin ends to each of the warning Figure 3-22.) Refer to pages 2-6 thru 2-11 for light...
  • Page 54 ASSEMBLY INSTRUCTIONS Figure 3-23: Harrow Installation 3-26 F-733-1114...

  • Page 55: Coil Tine Installation

    ASSEMBLY INSTRUCTIONS Coil Tine Installation 5. Assemble 17” heavy spring assembly to tine arm using 1” pivot pin and 5/16 x 1-1/2 spring slotted pins. 1. Assemble 2-1/2” adjustment pin into plates welded Set pin centers to 20-1/2” dimension as shown in onto rear of frame using 2-1/2”...
  • Page 56 ASSEMBLY INSTRUCTIONS 1/4 X 108 HOSE ASSEMBLY 90 JIC SWIVEL ADAPTER 2-1/2 X 1 HYDRAULIC BULKHEAD RUN TEE ADAPTER CYLINDER 1/4 X 104 HOSE ASSEMBLY 1/4 X 48 HOSE ASSEMBLY 1/4 X 72 HOSE ASSEMBLY 1/4 X 68 HOSE 1/4 X 94 HOSE ASSEMBLY 1/4 X 36 HOSE ASSEMBLY...
  • Page 57 ASSEMBLY INSTRUCTIONS 1/4 X 120 HOSE ASSEMBLY 90 JIC SWIVEL ADAPTER 2-1/2 X 1 HYDRAULIC BULKHEAD RUN TEE ADAPTER CYLINDER 1/4 X 116 HOSE ASSEMBLY 1/4 X 48 HOSE ASSEMBLY 1/4 X 72 HOSE ASSEMBLY 1/4 X 68 HOSE 1/4 X 102 HOSE ASSEMBLY 1/4 X 36 HOSE ASSEMBLY...
  • Page 58 ASSEMBLY INSTRUCTIONS 1/4 X 148 HOSE ASSEMBLY 90 JIC SWIVEL ADAPTER 2-1/2 X 1 HYDRAULIC BULKHEAD RUN TEE ADAPTER CYLINDER 1/4 X 144 HOSE ASSEMBLY 1/4 X 48 HOSE ASSEMBLY 1/4 X 84 HOSE ASSEMBLY 1/4 X 68 HOSE 1/4 X 137 HOSE ASSEMBLY 1/4 X 36 HOSE ASSEMBLY...
  • Page 59 1 X 8 ADJUSTMENT BOLT 17” HEAVY SPRING ASSEMBLY REEL/GANG BAR ASSEMBLY GANGBAR MOUNT PLATE 3/4-10 X 6 HEX HEAD CAP SCREW 6250 conditioner reel op Figure 3-27: Finishing Conditioner Reel Installation (Center Arm for the Three Arm Reel) (Option) 3-31...
  • Page 60 3/4-10 X 6 HEX ASSEMBLY HEAD CAP SCREW 1-8 HEX NUT GANGBAR 90 ADAPTER MOUNT PLATE CYLINDER TRUNNION 6250 hyd reel assy outer arms Figure 3-28: Finishing Conditioner Reel Installation (Outer Arms of Center Reel or Wing Reels) (Option) 3-32 F-733-1114...

  • Page 61: Finishing Hydraulic Conditioner Reel Installation (Option)

    1-1/2” pivot bushing. NOTES 5. Attach reel arm to upper hole using 1-8 x 6-1/2 hex Refer to Figure 3-24 for 6250-40’ condition reel hydraulic head cap screw and hex lock nut. diagram. 6. Assemble 17” heavy spring assembly to reel arm Refer to Figure 3-25 for 6250-45’...
  • Page 62 ASSEMBLY INSTRUCTIONS BULKHEAD RUN TEE SMALL LOOP 6250-45-reel-5 Figure 3-31: Finishing Conditioner Reel Installation Hydraulic Hose Placement (Left Half) BULKHEAD RUN TEE SMALL LOOP 6250-45-reel-4 Figure 3-32: Finishing Conditioner Reel Installation Hydraulic Hose Placement (Right Half) 3-34 F-733-1114...
  • Page 63 Assemble hose clamp with 3/8-16 x 1-1/2 bolts ADAPTER and 3/8 flange lock nuts (See Figure 3-35.) BULKHEAD BULKHEAD PLATE RUN TEE 6250-45-reel-1 Figure 3-33: Mounting the Bulkhead Plates and Fittings to the Wings CENTER FRAME RIGHT INNER WING GANG BAR...

  • Page 64: Final Assembly

    REEL ARM STOP 11. Thoroughly read and understand the operating section before using the implement. NOTE: DO NOT USE MACHINE BUSHING HERE 6250 reel arm stop Figure 3-36: Yellow Reflector Decal Placement 3-36 F-733-1114...

  • Page 65: Operation And Maintenance

      DANGER DANGER Never allow anyone to ride on the 6250 Disc at When transporting the unit, place cylinder any time. Allowing a person to ride on the lockouts in the transport lock position after fully machine can inflict serious personal injury or extending the cylinders.

  • Page 66: Tractor Preparation

    OPERATION AND MAINTENANCE Tractor Preparation Disc Preparation The Landoll 6250 Disc is designed to be pulled by tractor equipped with a double lip or clevis type hitch CAT IV or V. If your tractor is not equipped as such, you need to purchase the hitch from your local tractor dealer.

  • Page 67: Attaching To The Tractor

    OPERATION AND MAINTENANCE Attaching to the Tractor  WARNING 1. Align the tractor drawbar with the machine. Raise or Escaping hydraulic fluid can cause serious lower the disc ring hitch, as needed, using the swivel personnel injury. Relieve system pressure before jack.
  • Page 68 This will keep all cylinders in time and frame sections level when operating. 6250-transport-extended 4. The transport locks for the hydraulic lift system are Figure 4-3: Installed Transport Locks plumbed into the fold system. During folding they are...

  • Page 69: Hydraulic Fold System

    Disc when it is fully unfolded. The tractor should be stopped and not moving with the unit fully raised. See “Folding the 6250 Disc” on page 4-6 and “Unfolding the 6250 Disc” on page 4-6 for further instructions on folding and...

  • Page 70: Folding The 6250 Disc

    OPERATION AND MAINTENANCE Folding the 6250 Disc CENTER LIFT TRANSPORT LOCK Fully raise machine. WING LOCK DISENGAGED 2. Begin folding the machine. Transport locks will engage on the center lift as the outer wings are folding, fully fold all inner and outer wings (See Figures 4-6 and 4-7).

  • Page 71: General Operation

    OPERATION AND MAINTENANCE General Operation Field Operation 1. The horsepower requirements are typically 8-10 1. Raise the unit to take the weight off of the transport horsepower per foot of cut. This will vary widely due locks. to speed, depth, moisture, residue and types of soils. 2.

  • Page 72: Leveling (Side To Side)

    Any differences of less than a 1/4“ are acceptable for operating. CYLINDER ROD BLOCK HEX JAM NUTS 3/8-16 X 1/2 HEX SOCKET CUP POINT SET SCREW RADIUS 4-1/2 X 16 REPHASE CYLINDER 6250-radius-rod-adjust Figure 4-9: Leveling the Center Frame F-733-1114...
  • Page 73 Measure the same distance on the wing frame. The wing frames are generally set to the same distance or slightly higher than the center frame. The 6250-40 requires subtracting 1” from the WING FRAME center frame measurement for the wings due to the smaller tires on the center frame.

  • Page 74: Leveling (Front-To-Rear)

    LEVELER ASSEMBLY FOR NORMAL OPERATION, USE FRONT HOLE IN LEVELER TUBE AS SHOWN FOR NORMAL OPERATION, USE BOTTOM HOLE IN LIFT AS SHOWN 6250-leveler Figure 4-13: Leveling (Front to Rear) 4-10 F-733-1114...

  • Page 75: Hitch Adjustment

    If the hitch is in the raised JOINT LINK mounting position, the leveler ball joint link will be in the lower hole at the rear of the tongue. HITCH 1-1/2-6 X 6 HEX HEAD CAP SCREW 6250-hitch-adjustment Figure 4-14: Hitch Adjustment 4-11...

  • Page 76: Scraper Adjustment

    Scrapers can be individually adjusted in or out from the concave side of the disc blade. 1/8”  CAUTION 6250 scraper adj Figure 4-15: Scraper Adjustment Tighten all 1-3/4” nuts to 1,250 foot-pounds of torque (See Figure 4-16.) POUNDS 4 FOOT...

  • Page 77: Coil Tine Harrow

    OPERATION AND MAINTENANCE Coil Tine Harrow  CAUTION The coil tine harrow is an optional attachment used for The coil tine harrow adds significant amount of additional soil and residue leveling. It features 3 rows of weight to the rear of implement and can create 1/2”...
  • Page 78 HEAVY SPRING ASSEMBLY (1 X 9 ADJ SPRING BOLT RUNS THROUGH CENTER) HARROW GANG BAR PLATE HARROW ADJUSTMENT HOLES 1/2-13 x 1-1/4 RD HEAD SQ NECK SCREW ANGLE ADJUSTMENT PLATE 6250 harrow settings Figure 4-17: Harrow Adjustment and Settings 4-14 F-733-1114...

  • Page 79: Operation/Adjustment

    The tine tooth angle is set for each row by removing the spring clip pin at each tine angle adjustment handle and positioning to the desired hole. RECOMMENDED HARROW SETTINGS 6250-40-tine-adj Figure 4-18: Recommended Harrow Settings 4-15...

  • Page 80: Front Gauge Wheels

    OPERATION AND MAINTENANCE Front Gauge Wheels IMPORTANT 1. The Disc is equipped with castering gauge wheels at Excessive down pressure can cause the implement the outer front corners of each wing. These gauge to throw a center ridge. wheels are used to limit depth of the wings, and 3.

  • Page 81: Disc Blades

    3. Sharpening – In some cases there is a desire to sharpen disc blades for improved cutting. There are 1. The 6250 disc is equipped with full concavity disc several people who roll-sharpen disc blades. Most blades on both front and rear. This is 3” concavity for disc blades used today are made of chrome-boron 24”...

  • Page 82: Depth Stop Adjustment (Manual)

    DEPTH STOP machine weight. Raising the lift wheels off the HANDLE ground, permits uncontrolled depth of each frame 6250-depth-stop section and does not allow the leveler to function Figure 4-20: Depth Stop Adjustment (Manual) properly. 4-18...

  • Page 83: 6250 Disc Wheel Bearing Maintenance

    8 BOLT HUB OUTER BEARING CONE SPINDLE WASHER 2-1/4” SPINDLE 1-14 HEX SLOT NUT 3/16 X 1-1/2 COTTER PIN HUB CAP 6250 WING FRAME WHEELS INNER BEARING OUTER BEARING CUP 8 BOLT HUB WHEEL SPACER OUTER BEARING 4” X 22-1/4” SPINDLE-...

  • Page 84: Wing Frame

    OPERATION AND MAINTENANCE Wing Frame 1. Lower machine until tires are off the ground, the depth stop may have to be adjusted to allow cylinders Wheel bearing maintenance should be performed at the to retract far enough. beginning of every season of use. Check the wheel 2.

  • Page 85: Hydraulic Maintenance

    2-1 for estimated weight of each model. advisable to clean all parts and replace all seals. Maximum transport speed for the 6250 is 20 mph for Seal kits are available from your Landoll dealer. the implement and is designated on the speed identification symbol located on the front of the 3.
  • Page 86 HITCH WELDMENT 3-1/4 X 8 HYDRAULIC CYLINDER 3-1/2 X 8 HYDRAULIC CYLINDER TRANSPORT LOCK SAFETY CHAIN SPEED IDENTIFICATION SYMBOL 6250safetychain Figure 4-23: Hitch, Speed Identification Symbol, and Safety Chain 6250-transport-extended Figure 4-24: Installed Transport Locks 4-22 F-733-1114...
  • Page 87 OPERATION AND MAINTENANCE Figure 4-25: Lubrication Schedule LUBRICATION TABLE INTERVAL ITEM DESCRIPTION NO. OF LUBE POINTS (Hours Unless Stated) Disc Gang Bearings 1 each Conditioner Reel Bearings (Not Shown) 1 each Walking Tandem Hubs 1 each (Top) Wing Wheel Hubs 1 each Front Gauge 6 Bolt Wheel Hubs 1 each...

  • Page 88: Lubrication Maintenance

    1. Table 4-1 specifies the number and the period of harm the seal. Regular lubrication will maintain a full lubrication points on the 6250 Disc. Proper grease cavity and help purge any contaminants. maintenance of your machine will, under normal...

  • Page 89: Storage

    OPERATION AND MAINTENANCE Storage 1. The service life of the Disc will be extended by proper off-season storage practices. Prior to storing the unit, complete the following procedures: a. Completely clean the unit. b. Inspect the machine for worn or defective parts. Replace as needed.
  • Page 90 NOTES:...

  • Page 91: Troubleshooting Guide

    Chapter 5 Troubleshooting Guide The Troubleshooting Guide, shown below, is included to help you quickly locate problems that can happen using your 6250 Disc. Follow all safety precautions stated in the previous sections when making any adjustments to your machine. PROBLEM...
  • Page 92 TROUBLESHOOTING GUIDE PROBLEM PROBABLE CAUSE SOLUTION WHEEL BEARING FAILURE Seals not installed correctly Install seals with the lips pointing outward away from the hub. HYDRAULIC - LIFT CYLINDERS NOT Lift cylinders not in phase Fully extend cylinders and hold hydraulic FULLY EXTENDING lever until all cylinders are fully extended.
  • Page 93 Document Control Revision Log: Date Revision End Item # Improvement(s) Description and Comments 01/26/14 F-733 6250 Initial Release 11/05/18 F-733-1118 6250 ECN44101 Galaxy Tire/Wheel revision, wheel hub lubrication revision...
  • Page 94 Equipment from Landoll Corporation is built to exacting standards ensured by ISO 9001 registration at all Landoll manufacturing facilities. Model 6250 Disc Operator’s Manual Re-Order Part Number F-733-1118 LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM Copyright 2010.

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