Landoll VT Plus 7431 Operator's Manual
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Landoll VT Plus 7431 Operator's Manual

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Model 7431
VT Plus
Operator's Manual
LANDOLL CORPORATION
1900 North Street
Marysville, Kansas 66508
(785) 562-5381
800-428-5655 ~ WWW.LANDOLL.COM
F-561-0818

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Summary of Contents for Landoll VT Plus 7431

  • Page 1 Model 7431 VT Plus Operator’s Manual LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM F-561-0818...

  • Page 3: Table Of Contents

    Table of Contents Introduction and Safety Information Introduction ..............1-1 Understanding Safety Statements .
  • Page 4 General Operation ............. 4-7 Field Operation .

  • Page 5: Introduction And Safety Information

    Introduction and Safety Information Introduction The Landoll Model 7431 VT Plus 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

    INTRODUCTION AND SAFETY INFORMATION Understanding Safety Decal Safety Statements 1. Examine safety decals and be sure you have the correct safety decals for the implement. You will find various types of safety information on the 2. Keep these signs clean so they can be observed following pages and on the machine signs (decals) readily.
  • Page 7 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 INTRODUCTION AND SAFETY INFORMATION Safety Chain 1. Use a chain with a strength rating equal to or greater than the gross weight of towed machinery, which is 10,100 pounds minimum in accordance with ASAE S338.2 specifications. If two or more implements are pulled in tandem, a larger chain may be required.

  • Page 9: Standard Specifications

    Chapter 2 Standard Specifications Model Specifications 7431 VT Plus Model Number 7431-20 7431-23 7431-26 7431-29 7431-33 Working Width 19'-10” 23'-2” 26'-3” 28'-11” 33'-2” Transport Width 13'-7” 13'-7” 13'-7” 13'-7” 17'-11” Transport Height 9'-10” 11'-6” 13'-7” 13'-11” 13'-11” Blade Diameter 22” 22”...
  • Page 10 STANDARD SPECIFICATIONS Specific Bolt Torques Lug Bolts & Nuts Torque (FT. LBS.) 5/8-18 (Heavy Duty Disc) 85-100 Ft./Lbs. F-561-0818...

  • 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 9” 97-3/4” 24-1/2” 26-3/4” 114” 26” 70” 7431-20 top p1 Figure 2-1: Wing Stabilizer and Light Bracket Placement (20' Model) (Left Half) F-561-0818...
  • Page 15 STANDARD SPECIFICATIONS 8” 133” 43” 26-3/4” 114” 26” 70” 7431-20 top p2 Figure 2-2: Wing Stabilizer and Light Bracket Placement (20' Model) (Right Half)
  • Page 16 STANDARD SPECIFICATIONS 9” 97-3/4” 24-1/2” 26-3/4” 114” 28” 91” 7431-23 top p1 Figure 2-3: Wing Stabilizer and Light Bracket Placement (23' Model) (Left Half) F-561-0818...
  • Page 17 STANDARD SPECIFICATIONS 8” 133” 43” 26-3/4” 114” 28” 91” 7431-23 top p2 Figure 2-4: Wing Stabilizer and Light Bracket Placement (23' Model) (Right Half)
  • Page 18 STANDARD SPECIFICATIONS 9” 97-3/4” 24-1/2” 26-1/2” 114” 30” 114” 7430-26 top p1 Figure 2-5: Wing Stabilizer and Light Bracket Placement (26' Model) (Left Half) 2-10 F-561-0818...
  • Page 19 STANDARD SPECIFICATIONS 8” 133” 43” 26-1/2” 114” 30” 114” 7431-26 top p2 Figure 2-6: Wing Stabilizer and Light Bracket Placement (26' Model) (Right Half) 2-11...
  • Page 20 STANDARD SPECIFICATIONS 9” 97-3/4” 24-1/2” 26-3/4” 114” 30” 129” 7430-29 top p1 Figure 2-7: Wing Stabilizer and Light Bracket Placement (29' Model) (Left Half) 2-12 F-561-0818...
  • Page 21 STANDARD SPECIFICATIONS 8” 133” 43” 26-3/4” 114” 30” 129” 7430-29 top p2 Figure 2-8: Wing Stabilizer and Light Bracket Placement (29' Model) (Right Half) 2-13...
  • Page 22 STANDARD SPECIFICATIONS 14-1/4” 91” 96” 24” 97” 18” 114” 7431-33 top p1 Figure 2-9: Wing Stabilizer and Light Bracket Placement (33' Model) (Left Half) (Prior to July, 2012) 2-14 F-561-0818...
  • Page 23 STANDARD SPECIFICATIONS 14-1/4” 132” 46” 18” 114” 24” 97” 7431-33 top p2 Figure 2-10: Wing Stabilizer and Light Bracket Placement (33' Model) (Right Half) (Prior to July, 2012) 2-15...
  • Page 24 STANDARD SPECIFICATIONS 14-1/4” 96” 46” 27” 156” 129” 33” 7431-33 top p1 after 07-2012 Figure 2-11: Wing Stabilizer and Light Bracket Placement (33' Model) (Left Half) (After July, 2012) 2-16 F-561-0818...
  • Page 25 STANDARD SPECIFICATIONS 14-1/4” 132” 46” 27” 156” 22-1/2” 129” 33” 7431-33 top p2 after 07-2012 Figure 2-12: Wing Stabilizer and Light Bracket Placement (33' Model) (Right Half) (After July, 2012) 2-17...
  • Page 26 STANDARD SPECIFICATIONS NOTE: LOCATION OF REAR JACK 15-7/8” MOUNT 7431-20’ 204412 90”/105” DOUBLE REEL NOTE: REEL ASSEMBLIES ARE SAME FOR SPRING OR NOTE: LOCATION 28-7/8” HYDRAULIC ARM ASSEMBLIES. OF TUBE CLAMPS SEE REEL INSTALLATION SECTION 7431-20’ 204416 IN ASSEMBLY INSTRUCTIONS SECTION 75”/75”...
  • Page 27 STANDARD SPECIFICATIONS NOTE: LOCATION OF REAR JACK 15-7/8” MOUNT NOTE: REEL ASSEMBLIES ARE SAME FOR SPRING OR 28-7/8” NOTE: LOCATION HYDRAULIC ARM ASSEMBLIES. OF TUBE CLAMPS SEE REEL INSTALLATION SECTION IN ASSEMBLY INSTRUCTIONS SECTION 7431-20’ 204422 FOR ARM ASSEMBLY 75”/75” DOUBLE REEL Figure 2-14: Double Round Reel Placement RH 7431-20’...
  • Page 28 STANDARD SPECIFICATIONS 23-3/8” NOTE: LOCATION OF REAR JACK MOUNT 7431-23’/26’/29’ 105”/120” DOUBLE REEL NOTE: LOCATION 22-3/8” OF TUBE CLAMPS NOTE: REEL ASSEMBLIES ARE SAME FOR SPRING OR 7431-23’’ 204417 HYDRAULIC ARM ASSEMBLIES. 90”/90” DOUBLE REEL SEE REEL INSTALLATION SECTION 7431-26’ 204418 IN ASSEMBLY INSTRUCTIONS SECTION 105”/105”...
  • Page 29 STANDARD SPECIFICATIONS 23-3/8” NOTE: LOCATION OF REAR JACK MOUNT 7431-23’/26’/29’ 105”/120” DOUBLE REEL NOTE: LOCATION 22-3/8” NOTE: REEL ASSEMBLIES OF TUBE CLAMPS ARE SAME FOR SPRING OR 7431-23’’ 204423 HYDRAULIC ARM ASSEMBLIES. 90”/90” DOUBLE REEL SEE REEL INSTALLATION SECTION 7431-26’ 204424 IN ASSEMBLY INSTRUCTIONS SECTION 105”/105”...
  • Page 30 STANDARD SPECIFICATIONS 25-1/4” NOTE: LOCATION OF REAR JACK MOUNT 7431-33’ 25-1/8” DOUBLE REEL ASSEMBLY NOTE: LOCATION NOTE: REEL ASSEMBLIES OF TUBE CLAMPS ARE SAME FOR SPRING OR HYDRAULIC ARM ASSEMBLIES. SEE REEL INSTALLATION SECTION 7431-33’ 204419 IN ASSEMBLY INSTRUCTIONS SECTION 120”/120”...
  • Page 31 STANDARD SPECIFICATIONS 25-1/4” NOTE: LOCATION OF REAR JACK MOUNT 7431-33’ DOUBLE REEL ASSEMBLY 25-1/8” NOTE: LOCATION NOTE: REEL ASSEMBLIES OF TUBE CLAMPS ARE SAME FOR SPRING OR HYDRAULIC ARM ASSEMBLIES. SEE REEL INSTALLATION SECTION 7431-33’ 204425 IN ASSEMBLY INSTRUCTIONS SECTION 120”/120”...
  • Page 32 STANDARD SPECIFICATIONS Table provided for general use. NOTES: 2-24 F-561-0818...

  • Page 33: Assembly Instructions

    Chapter 3 Assembly Instructions It is very important that your new 7431 VT Plus be  DANGER properly assembled, adjusted and lubricated before use. Illustrations to assist with the assembly process are Disc blades are extremely sharp. Exercise provided in Section 2, “Standard Specifications”. They extreme care when working on or near disc show proper disc gang, wing stabilizer bracket, and light blades.
  • Page 34 ASSEMBLY INSTRUCTIONS 3/8-16 X 2-1/2 OR 3/8-16 X 3 3/8-16 X 4-1/2 HEX HEAD CAP SCREW 3/8W FLAT WASHER HOSE CLAMP 3/8-16 HEX LOCK NUT 3/4-10 PREVAILING TORQUE FLANGE CENTER FRAME ASSEMBLY DETAIL A 1/4-20 X 1 HEX HEAD CAP SCREW 1/2-13 X 11 HEX HEAD CAP SCREW WING NUT...

  • Page 35: 7431 Vt Plus Frame And Hitch Assembly

    ASSEMBLY INSTRUCTIONS 7431 VT Plus 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 4-12 for proper adjustment. Read all safety precautions at the front of the section 3.
  • Page 36 ASSEMBLY INSTRUCTIONS 1”N FLAT WASHER 1 X 7-7/8 LEVELER PIN FLANGE BEARING 13” LEVELER LINK ASSEMBLED VIEW FROM REAR OF MACHIINE 8” LEVELER LINK LEVELER SCREW 5/16 X 2-1/2 ASSEMBLY SPRING LEVELER L LINK SLOTTED PIN 3/4-10 HEX LOCK 3/4-10 X 3-1/2 HEAD CAP SCREW 1-8 HEX 1-8 X 4-1/2 HEX...

  • Page 37: Leveler Assembly

    ASSEMBLY INSTRUCTIONS Leveler Assembly NOTE 1. Install a hardened steel wear bushing in the leveler L When the hitch is in the upper mounting position, the link (See Figure 3-2.) leveler ball joint link is mounted in the lower holes. When the hitch is in the lower position, the link is mounted in the 2.
  • Page 38 ASSEMBLY INSTRUCTIONS ASSEMBLED VIEW FROM REAR OF MACHIINE 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 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...

  • Page 39: Manual Leveler

    ASSEMBLY INSTRUCTIONS Manual Leveler 2. Install the manual leveler handle assembly into the front end of the leveler tube and fasten with two 1. Using the manual leveler, screw the leveler tube onto 5/8-11 x 3-1/2 hex head cap screws and hex lock the leveler screw assembly (See Figure 3-3.) Initially nuts.
  • Page 40 ASSEMBLY INSTRUCTIONS LEVELER TUBE 1/4 ZERK FITTING 3/8-16 HEX LOCK NUT LEVELER LEVEL INDICATOR ROD SPRING 1/2-13 X 1-3/4 HEX HEAD CAP SCREW 3/8W FLAT WASHER 1/8 HAIRPIN LEVEL INDICATOR GAUGE AND DECAL LEVELER CROSS 1/2-13 HEX LOCK 3-1/2 X 6 LEVELER CYLINDER SCREW ASSEMBLY...

  • Page 41: Hydraulic Leveler (Option)

    ASSEMBLY INSTRUCTIONS Hydraulic Leveler (Option) 11. Insert the threaded end of the leveler indicator rod through the leveler tube cross-hole and the other rod 1. Thread a 1-1/2-6 hex nut onto the leveler screw end through the bottom leveler indicator hole. assembly (See Figure 3-4.) Initially leave Secure the indicator rod with a 3/8-16 hex lock nut.
  • Page 42 ASSEMBLY INSTRUCTIONS NOTE: MOST RIGHT DISC GANG 3/4-10 X 2 HEX ASSEMBLIES NOT SHOWN FOR HEAD CAP SCREW CLARITY. LEFT REAR CENTER 3/4-10 X 2-1/4 HEX FRAME DISC GANG HEAD CAP SCREW CONNECTION (USED TO INSTALL HYDRAULIC MANIFOLD MOUNTING BRACKET) RIGHT REAR CENTER FRAME DISC GANG ASSEMBLY...
  • Page 43 ASSEMBLY INSTRUCTIONS NOTE: MOST RIGHT DISC GANG ASSEMBLIES NOT SHOWN FOR CLARITY. 3/4-10 X 2 HEX LEFT REAR CENTER HEAD CAP SCREW FRAME DISC GANG CONNECTION RIGHT REAR CENTER FRAME DISC GANG ASSEMBLY 3/4-10 HEX LOCK NUT LEFT REAR CENTER FRAME DISC GANG ASSEMBLY 1-8 HEX...
  • Page 44 ASSEMBLY INSTRUCTIONS 3/4-10 X 2 HEX HEAD WING LOCK CAP SCREW RIGHT WING FRAME 1/4 X 3 ROLL FRONT GAUGE WHEEL ASSEMBLY WING STABILIZER 1-8 X 6 HEX HEAD U-BOLT CAP SCREW WING STABILIZER BRACKET 3/16 HAIR PIN 5/8-11 HEX LOCK GAUGE WHEEL SPACER 1-8 HEX LOCK...

  • Page 45: Center Frame Tires

    ASSEMBLY INSTRUCTIONS Center Frame Tires Wing Frames 1. Install the tire and wheel assemblies on the center 1. Place the wing frames on top of the wing gang section. assemblies and attach using 3/4-10 x 2 hex head cap screws and hex lock nuts (See Figure 3-8.). 2.
  • Page 46 ASSEMBLY INSTRUCTIONS NOTE: RESTRICTOR FITTINGS ARE BLACK IN COLOR FOR A VISUAL CHECK WHEN INSTALLING THE HOSES. ALL FOLD CYLINDERS HAVE A 90 FITTING W/ 1/16 RESTRICTOR FACTORY INSTALLED IN THE ROD END AND A NORMAL 90 FITTING FACTORY INSTALLED IN THE BASE END.
  • Page 47 ASSEMBLY INSTRUCTIONS 1/2-13 X 3-1/2 HEX HEAD CAP SCREW AND HEX LOCK NUT SLAVE DECAL 3/8 X 96 SLAVE 3-3/4 X 10 HYDRAULIC 8 PORT HOSE MANIFOLD CYLINDER ASSEMBLY 3/8 X 136 HOSE MASTER DECAL ASSEMBLY 4 X 10 HYDRAULIC CYLINDER 3/8 X 30 HOSE ASSEMBLY MASTER 3/8 X 24 HOSE...
  • Page 48 ASSEMBLY INSTRUCTIONS 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 COUPLER 3/8 X 24 HOSE ASSEMBLY 3/8 X 306 HOSE ASSEMBLY 8 PORT MANIFOLD 1/2-13 X 3-1/2 HEX HEAD CAP SCREW 3/8 X 24 HOSE...
  • Page 49 ASSEMBLY INSTRUCTIONS 16 PORT MANIFOLD SLAVE DECAL 3/8 X 112 SLAVE 3-3/4 X 10 HOSE HYDRAULIC ASSEMBLY 1/2-13 X 3-1/2 CYLINDER HEX HEAD CAP MASTER DECAL SCREW AND 3/8 X 150 HOSE HEX LOCK NUT ASSEMBLY 4 X 10 HYDRAULIC CYLINDER 3/8 X 30 HOSE ASSEMBLY MASTER 3/8 X 24 HOSE...
  • Page 50 ASSEMBLY INSTRUCTIONS 5/16 X 2-1/2 SPRING SLOTTED PIN 1-1/4N FLAT WASHER FOLD PIN 90 ELBOW RESTRICTOR 4 X 30 HYDRAULIC CYLINDER 3/8 X HOSE ASSEMBLY 3/4-16 MALE COUPLER 3/8 X 31 HOSE ASSEMBLY 3/8 X 204 HOSE ASSEMBLY 1/2-13 X 3-1/2 HEX 3/8 X 33 HOSE HEAD CAP SCREW ASSEMBLY...
  • Page 51 ASSEMBLY INSTRUCTIONS 8 PORT MANIFOLD 16 PORT MANIFOLD SLAVE DECAL 3/8 X 128 HOSE 3-3/4 X 10 HYDRAULIC ASSEMBLY CYLINDER SLAVE MASTER 3/8 X 165 HOSE DECAL ASSEMBLY 4 X 10 HYDRAULIC 1/2-13 X 3-1/2 CYLINDER HEX HEAD CAP SCREW AND HEX 3/8 X 30 LOCK NUT HOSE ASSEMBLY...
  • Page 52 ASSEMBLY INSTRUCTIONS 1-1/4N 5/16 X 2-1/2 SPRING FLAT SLOTTED PIN WASHER FRONT 1-1/4N FLAT WASHER PLUG PORTS U & V MACHINE FOLD PIN 90 ELBOW W/ RESTRICTOR 4 X 30 HYDRAULIC FOLD PIN CYLINDER 3/8 X 60 HOSE ASSEMBLY 90 ELBOW W/ RESTRICTOR 3/8 X 31 HOSE ADAPTER...
  • Page 53 ASSEMBLY INSTRUCTIONS 8 PORT MANIFOLD 16 PORT MANIFOLD SLAVE DECAL 3-3/4 X 10 HYDRAULIC 3/8 X 136 CYLINDER HOSE ASSEMBLY SLAVE 3/8 X 196 HOSE MASTER DECAL ASSEMBLY 4 X 10 HYDRAULIC 1/2-13 X 3-1/2 HEX HEAD CYLINDER CAP SCREW AND HEX LOCK NUT 3/8 X 42 HOSE ASSEMBLY...
  • Page 54 ASSEMBLY INSTRUCTIONS 5/16 X 2-1/2 SPRING SLOTTED PIN FRONT 1-1/4N FLAT MACHINE WASHER PLUG PORTS W & X FOLD PIN 90 ELBOW W/ 1-1/4N 4 X 30 HYDRAULIC RESTRICTOR FLAT CYLINDER WASHER 3/8 X 82 HOSE 90 ELBOW W/ ASSEMBLY FOLD PIN RESTRICTOR 3/8 X 4 HOSE...
  • Page 55 ASSEMBLY INSTRUCTIONS 5/16 X 2-1/2 SPRING SLOTTED PIN FRONT 1-1/4N FLAT WASHER MACHINE PLUG PORTS U & V FOLD PIN 90 ELBOW W/ 1-1/4N RESTRICTOR FLAT 4 X 30 HYDRAULIC WASHER CYLINDER 3/8 X 60 HOSE ASSEMBLY FOLD PIN 90 ELBOW W/ RESTRICTOR 3/8 X 31 HOSE ADAPTER...
  • Page 56 ASSEMBLY INSTRUCTIONS 1/2-13 X 3-1/2 HEX 3/4-10 X 2-1/4 HEX HEAD BOLT-ON WING HEAD CAP SCREW CAP SCREW GR8 FOLD MOUNT FOLD PIN 1/2-13 HEX LOCK NUT WING STABILIZER U-BOLT MANIFOLD BRACKET 1-1/4N FLAT WASHER 8 PORT MANIFOLD 5/16 X 2-1/2 SPRING 4 X 30 HYDRAULIC CYLINDER SLOTTED PIN 5/8-11 HEX LOCK NUT...

  • Page 57: Hydraulic Installation

    ASSEMBLY INSTRUCTIONS Hydraulic Installation  CAUTION NOTE Restrictors are installed to prevent uncontrolled dropping of wings. Removal of these restrictors, Refer to 3-9 for hydraulic cylinder fittings (factory or improper installation can result in serious installed and those installed during setup). damage to the implement.
  • Page 58 ASSEMBLY INSTRUCTIONS #8-32 X 1/2 PAN HEAD SLOTTED SCREW 34” EXTENSION RH BRACKET WELDMENT REAR WARNING LIGHT HARNESS MAIN WARNING LIGHT HARNESS 1/4-20 HEX LOCK NUT WING STABILIZER U-BOLT 1/2-13 HEX LOCK NUT LH BRACKET WELDMENT 1/2-13 X -1/2 HEX HEAD CAP YELLOW SCREW REFLECTOR...

  • Page 59: Light And Smv Bracket Installation (Prior To August, 2013)

    ASSEMBLY INSTRUCTIONS Light and SMV Bracket 2. Mount enhanced lighting module on right hand tail light bracket using #8-32 x 1/2 pan head slotted Installation (Prior to August, screw and nuts. Connect rear harness to module and 2013) connect the right/left side lights accordingly. Route main wire harness through hose holder on hitch, 1.
  • Page 60 ASSEMBLY INSTRUCTIONS NOTE: LED LIGHTS, HARNESS, AND MODULE DO NOT INTERCHANGE WITH PREVIOUS HARNESS STOR-AWAY LIGHTING SYSTEM. 1/4-20 X 3/4 HEX HEAD CAP SCREW 1/4-20 HEX LOCK NUT 19” SELF LOCKING TIE MAIN WARNING LIGHT HARNESS RIGHT LIGHT BRACKET W/ REFLECTORS REAR WARNING LIGHT HARNESS 5/8-11 FLANGE HEAD...

  • Page 61: Led Light And Smv Bracket Installation (After August, 2013)

    ASSEMBLY INSTRUCTIONS 7-PIN 4-PIN CIRCUIT WIRE CONN TOWER COLOR 2-PIN 3-PIN 6-PIN 3-PIN 2-PIN TOWER TOWER SHROUD TOWER TOWER GROUND GROUND BLACK WORK LAMPS BLACK LEFT TURN LEFT FLASHING YELLOW WHITE & TURN GROUND STOP LAMPS BROWN RIGHT FLASHING GREEN TAIL LIGHT &...

  • Page 62: Conditioner Reel Spring Installation (Option)

    ASSEMBLY INSTRUCTIONS Conditioner Reel Spring 5. Assemble 17" heavy spring assembly to reel arm using 1" pivot pin, and 5/16 x 1-1/2” spring slotted Installation (Option) pins. Set pin centers to 21" dimension as shown in Figure 3-24. NOTE  WARNING Refer to Conditioner Single Reel Installation shown in Figure 3-24 for single reel installation or Conditioner...
  • Page 63 ASSEMBLY INSTRUCTIONS Figure 3-24: Conditioner Single Reel Installation 3-31...
  • Page 64 ASSEMBLY INSTRUCTIONS Figure 3-25: Conditioner Double Reel Installation 3-32 F-561-0818...
  • Page 65 ASSEMBLY INSTRUCTIONS 1/4 X 46 HOSE ASSEMBLY 2-1/2 X 1-1/2 CYLINDER 1/4 X 50 HOSE ASSEMBLY 90 ADAPTER 1/4 X 34 HOSE ASSEMBLY BULKHEAD RUN TEE 1/4 X 98 HOSE ASSEMBLY ADAPTER ADAPTER 1/4 X 30 HOSE MANIFOLD BRACKET ASSEMBLY MOUNT 1/4 X 64 HOSE STRAIGHT...
  • Page 66 ASSEMBLY INSTRUCTIONS 1/4 X 64 HOSE ASSEMBLY 2-1/2 X 1-1/2 CYLINDER 1/4 X 68 HOSE ASSEMBLY 90 ADAPTER 1/4 X 34 HOSE ASSEMBLY BULKHEAD RUN TEE 1/4 X 98 HOSE ASSEMBLY ADAPTER ADAPTER 1/4 X 30 HOSE MANIFOLD BRACKET ASSEMBLY MOUNT 1/4 X 64 HOSE STRAIGHT...
  • Page 67 ASSEMBLY INSTRUCTIONS 1/4 X 80 HOSE ASSEMBLY 2-1/2 X 1-1/2 CYLINDER 1/4 X 84 HOSE ASSEMBLY 90 ADAPTER 1/4 X 34 HOSE ASSEMBLY BULKHEAD RUN TEE 1/4 X 98 HOSE ASSEMBLY ADAPTER ADAPTER 1/4 X 30 HOSE MANIFOLD BRACKET ASSEMBLY MOUNT 1/4 X 64 HOSE STRAIGHT...
  • Page 68 ASSEMBLY INSTRUCTIONS 1/4 X 94 HOSE ASSEMBLY 2-1/2 X 1-1/2 CYLINDER 1/4 X 98 HOSE ASSEMBLY 90 ADAPTER 1/4 X 34 HOSE ASSEMBLY BULKHEAD RUN TEE 1/4 X 98 HOSE ASSEMBLY ADAPTER ADAPTER 1/4 X 30 HOSE MANIFOLD BRACKET ASSEMBLY MOUNT 1/4 X 64 HOSE STRAIGHT...
  • Page 69 ASSEMBLY INSTRUCTIONS NOTE: CENTER REEL ARM HAS REGULAR SPRING SETUP. 1/4 X 94 HOSE ASSEMBLY 2-1/2 X 1-1/2 CYLINDER 1/4 X 98 HOSE ASSEMBLY 90 ADAPTER 1/4 X 40 HOSE ASSEMBLY BULKHEAD RUN TEE 1/4 X 120 HOSE ASSEMBLY ADAPTER ADAPTER 1/4 X 34 HOSE MANIFOLD BRACKET...

  • Page 70: Finishing Hydraulic Conditioner Reel Installation (Option)

    ASSEMBLY INSTRUCTIONS Finishing Hydraulic Conditioner 2. Attach 17” spring assembly and 2-1/2 hydraulic cylinder to lower hole on rear frame using cylinder Reel Installation (Option) trunnion, cylinder trunnion stop, 1/2-13 x 1-1/2 hex head cap screw, and split lock washer. NOTES NOTE Refer to Figure 3-26 for hydraulic diagram for the...
  • Page 71 ASSEMBLY INSTRUCTIONS 1-1/2 BEARING FLANGE 1-1/2 PIVOT BUSHING 1-8 HEX LOCK NUT REEL ARM STRAIGHT OR 45 ADAPTER MACHINERY BUSHING 1-8 X 6-1/2 HEX PIVOT PIN HEAD CAP SCREW 5/16 X 1-1/2 SLOTTED SPRING PIN 3/4-10 HEX LOCK NUT CYLINDER TRUNNION 1/2 SPLIT LOCK WASHER...
  • Page 72 ASSEMBLY INSTRUCTIONS Figure 3-33: Finishing Hydraulic Conditioner Double Reel Installation (Option) 3-40 F-561-0818...
  • Page 73 ASSEMBLY INSTRUCTIONS SEE DETAIL B DETAIL A REMOVE EXISTING 3/4-10 X 2 HEX HEAD CAP SCREW/ INSTALL 3/4-10 X 2 HEX HEAD CAP SCREW W/ VALVE MOUNT HOSE CLAMPS ON DISC GANG BAR HINGE SHOWN 7431-20 - NONE USED FOR REFERENCE 7431-23 - 1 7431-26 - 2 (SHOWN) HOSE HOLDER...

  • Page 74: Rear Tow Hitch Installation

    ASSEMBLY INSTRUCTIONS Rear Tow Hitch Installation 3. Attach rear tow hitch arms to clamp tow hitch plates using rear tow hitch clamp, 3/4-10 x 5-1/2 hex head A rear tow hitch assembly is available for use on the rear cap screws and hex lock nuts. of the VT Plus.
  • Page 75 ASSEMBLY INSTRUCTIONS 3/4-10 X 5-1/2 HEX HEAD CAP SCREW AND HEX LOCK NUT REAR TOW HITCH REAR TOW HITCH CLAMP 5/8-11 X 2-1/2 HEX HEAD CAP SCREW CLAMP TOW HITCH AND HEX LOCK NUT PLATE TANDEM ADAPTER HARNESS FRONT MOUNT 3/4-10 X 8 HEX HEAD COUPLER CAP SCREW AND...

  • Page 76: Rear Jack Installation

    ASSEMBLY INSTRUCTIONS Rear Jack Installation Final Assembly A rear jack assembly is available for use on the rear of 1. Attach a tractor to the implement and charge the lift the VT Plus. system hydraulics as described is “Hydraulic Lift System”...

  • Page 77: Operation And Maintenance

    Chapter 4 Operation and Maintenance   DANGER DANGER Never allow anyone to ride on the 7431 VT Plus at Always lock the tractor drawbar in the center any time. Allowing a person to ride on the position when transporting the unit. Failure to do machine can inflict serious personal injury or so can result in serious injury or death and cause death to that person.

  • Page 78: Tractor Preparation

    OPERATION AND MAINTENANCE Tractor Preparation VT Plus Preparation The Landoll 7431 VT Plus is designed to be pulled by tractor equipped with a double lip or clevis type hitch. If your tractor is not equipped as such, you need to purchase the hitch from your local tractor dealer.

  • Page 79: Attaching To The Tractor

    OPERATION AND MAINTENANCE Attaching to the Tractor Hydraulic Lift System The VT Plus is equipped with a rephasing hydraulic lift 1. Align the tractor drawbar with the machine. Raise or system to raise and lower the unit in the field. lower the disc ring hitch, as needed, using the swivel jack.
  • Page 80 OPERATION AND MAINTENANCE 2. The hydraulic system is not filled with oil and should 1-3/8 x 10 TRANSPORT be purged of air before transporting and field LOCKOUT operations. Carefully hitch the VT Plus to the tractor and connect the hydraulic lift hoses. Check to make L PIN sure the tractor hydraulic reservoir is full of the manufacturer’s recommended oil.

  • Page 81: Hydraulic Fold System

    OPERATION AND MAINTENANCE Hydraulic Fold System 3. To charge the system, carefully hitch the VT Plus to the tractor. Unpin the end(s) of the fold cylinders, and 1. The VT Plus is equipped with a hydraulic fold system position them so they can extend and retract without to raise and lower the wing frames for narrow contacting any frames or other parts.
  • Page 82 OPERATION AND MAINTENANCE 5. To fold/unfold the VT Plus, find a level area large 3/16 HAIR PIN enough to accommodate the VT Plus when it is fully unfolded. The tractor should be stopped and not WING STABILIZER moving with the unit fully raised. Remove the wing BRACKET lock pins from the mounts and install them in the storage locations (See Figures 4-6 and 4-7).

  • Page 83: 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. Remove the transport locks from the lift to speed, depth, moisture, residue and types of soils.

  • Page 84: Leveling (Side To Side)

    OPERATION AND MAINTENANCE Leveling (Side to Side) 2. To level the center frame: a. Verify that all of the tires are properly inflated. 1. An adjustable radius rod connects the center frame b. With the unit unfolded, raise it to fully extend the lifts together to keep them operating in unison.
  • Page 85 OPERATION AND MAINTENANCE 3. After adjusting the cylinder rod or rods, the radius rod needs to be adjusted back to a neutral position. This is accomplished by fully retracting the lift cylinders and adjusting the radius rod until it fits between the lifts.

  • Page 86: Leveling (Front-To-Rear)

    OPERATION AND MAINTENANCE Leveling (Front-to-Rear) LEVELER HANDLE 1. The leveling feature on the VT Plus is used to keep the machine level when raising the unit from a working position to a transport position. The leveling feature is also used to level the unit from front-to-rear to perform a level discing operation in the field.

  • Page 87: Hydraulic Leveler Adjustment

    OPERATION AND MAINTENANCE 7” THREADS LEVELER SCREW ASSEMBLY 4 X 30 FOLD CYLINDER 1-1/2-6 HEX LOCK NUT LEVELER HOSE HOLDER TUBE CLAMP LEVEL INDICATOR GAUGE LEVEL INDICATOR ROD CHECK VALVE 7431hydlevel 1 Figure 4-14: Hydraulic Leveler Adjustment Hydraulic Leveler Adjustment 3.

  • Page 88: Hitch Adjustment

    OPERATION AND MAINTENANCE Hitch Adjustment 4. To adjust the hitch (See Figure 4-15.): a. Lower the VT Plus to the ground. 1. It is important for the VT Plus to maintain a proper b. Adjust the leveler screw (manual or hydraulic) in draft line with the tractor to do a level job of discing.

  • Page 89: Scraper Adjustment

    OPERATION AND MAINTENANCE Scraper Adjustment 1. Rigid scrapers should be set initially as close to the disc blade as possible without rubbing The VT Plus is equipped with rigid scrapers at regular (approximately 1/8”) (See Figure 4-16.) A slotted spools with dual scrapers at the disc bearings. hole at the top of each scraper is provided for individual adjustment.

  • Page 90: Front Gauge Wheels

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

  • Page 91: Disc Blades

    OPERATION AND MAINTENANCE Disc Blades  DANGER 1. The 7431 VT Plus is equipped with 22" -6 ga. (.197"), Disc blades are extremely sharp. Exercise 22" -4 ga. (.256), or 22" -4 ga. (.256) rollable low extreme care when working on or near disc concavity disc blades on both front and rear.

  • Page 92: Depth Stop Adjustment (Manual)

    OPERATION AND MAINTENANCE Depth Stop Adjustment (Manual) DEPTH STOP TUBE The operating depth of the VT Plus is controlled by a DEPTH STOP single-point depth stop. The stop is located at the center GAUGE front of the machine. 1. Adjust the depth stop by turning the handle in (clockwise) to increase operating depth (See Figure 4-18.) Turn the handle out (counter-clockwise) to decrease operating depth.

  • Page 93: Wheel Bearing Maintenance

    2. Remove the tire. replace all seals. Seal kits are available from your 3. Remove the hub cap, cotter pin, slotted nut and Landoll dealer. washer. 3. Check all hydraulic hoses weekly. Look for binding or 4. Remove the hub. Clean and inspect the bearings and cracking.

  • Page 94: Transport

    OPERATION AND MAINTENANCE Transport 6. A safety chain is provided with the implement to insure safe transport. 1. Check and follow all federal, state, and local a. The safety chain should have a tensile strength requirements before transporting the VT Plus. equal to or greater than the gross weight of the 2.
  • Page 95 OPERATION AND MAINTENANCE 7. Check that tires are of proper size, load rating, and 1-3/8 x 10 TRANSPORT inflated to manufacture specifications before LOCKOUT transporting. Check wheel lug bolts to insure tightness. L PIN 8. Know the transport heights and widths of the unit before transporting.
  • Page 96 OPERATION AND MAINTENANCE 7431 lube Figure 4-22: Lubrication Schedule LUBRICATION TABLE INTERVAL ITEM DESCRIPTION NO. OF LUBE POINTS (Hours Unless Stated) Disc Gang Bearings 1 each Radius Rod Walking Tandem Hubs 1 each Wheel Hubs 1 each Front Gauge 6 Bolt Wheel Hubs 1 each Manual Leveler Tube Hydraulic Leveler Tube (Optional)

  • Page 97: Lubrication Maintenance

    OPERATION AND MAINTENANCE Lubrication Maintenance 3. Disc gang and conditioner reel bearings are equipped with seals that will let grease pass and not 1. Table 4-1 specifies the number and the period of harm the seal. Regular lubrication will maintain a full lubrication points on the 7431 VT Plus.

  • Page 98: Storage

    OPERATION AND MAINTENANCE Storage 1. The service life of the VT Plus will be extended by REAR JACK MOUNT proper off-season storage practices. Prior to storing the unit, complete the following procedures: REAR FRAME a. Completely clean the unit. b. Inspect the machine for worn or defective parts. Replace as needed.
  • Page 99 OPERATION AND MAINTENANCE Notes 4-23...
  • Page 100 OPERATION AND MAINTENANCE Page Intentionally Blank 4-24 F-561-0818...

  • Page 101: Troubleshooting Guide

    Chapter 5 Troubleshooting Guide The Troubleshooting Guide, shown below, is included to help you quickly locate problems that can happen using your 7431 VT Plus. Follow all safety precautions stated in the previous sections when making any adjustments to your machine. PROBLEM PROBABLE CAUSE SOLUTION...
  • Page 102 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 104 Equipment from Landoll Corporation is built to exacting standards ensured by ISO 9001:2008 registration at all Landoll manufacturing facilities. Model 7431 VT Plus Operator’s Manual Re-Order Part Number F-561-0818 LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM Copyright 2010.

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Vt plus 7410

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