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Landoll VT PLUS 7430 Operator's Manual

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MODEL 7430
VT PLUS
OPERATOR'S MANUAL
1900 NORTH STREET
MARYSVILLE, KANSAS 66508
(785) 562-5381
F-531-1109
11/09

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Summary of Contents for Landoll VT PLUS 7430

  • Page 1 MODEL 7430 VT PLUS OPERATOR’S MANUAL 1900 NORTH STREET MARYSVILLE, KANSAS 66508 (785) 562-5381 F-531-1109 11/09...
  • Page 3 MODEL 7430 VT PLUS 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 7430 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. SECTION 1 gives basic instructions on the use of this manual.
  • Page 8 NOTES:...

  • Page 9: Standard Specifications

    STANDARD SPECIFICATIONS 7430-23 23'-2" 13'-7" 11'-6" 22" 38/40 10/10 12L x 15 Load 2-1/4" 8 Bolt 16,535 Range F 7430-26 26'-3" 13'-7" 13'-7" 22" 44/46 10/10 12L x 15 Load 2-1/4" 8 Bolt 18,920 Range F 7430-29 28'-11" 13'-7" 13'-11" 22" 48/50 12/12 12L x 15 Load...
  • 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” 99” 27” 26-3/4” 114” 28” 91” 7430-23 top p1 Figure 2-1 Wing Stabilizer and Light Bracket Placement (23' Model) (Left Half)
  • Page 13 8” 133” 43” 26-3/4” 114” 28” 91” 7430-23 top p2 Figure 2-2 Wing Stabilizer and Light Bracket Placement (23' Model) (Right Half)
  • Page 14 9” 99” 27” 26-1/2” 114” 30” 114” 7430-26 top p1 Figure 2-3 Wing Stabilizer and Light Bracket Placement (26' Model) (Left Half)
  • Page 15 8” 133” 43” 26-1/2” 114” 30” 114” 7430-33 top p2 Figure 2-4 Wing Stabilizer and Light Bracket Placement (26' Model) (Right Half)
  • Page 16 9” 99” 27” 26-3/4” 114” 30” 129” 7430-29 top p1 Figure 2-5 Wing Stabilizer and Light Bracket Placement (29' Model) (Left Half)
  • Page 17 8” 133” 43” 26-3/4” 114” 30” 129” 7430-29 top p2 Figure 2-6 Wing Stabilizer and Light Bracket Placement (29' Model) (Right Half)
  • Page 18 13-1/4” 96” 30” 24” 97” 18” 114” 7430-33 top p1 Figure 2-7 Wing Stabilizer and Light Bracket Placement (33' Model) (Left Half) 2-10...
  • Page 19 13-1/4” 132” 46” 18” 114” 24” 97” 7430-33 top p2 Figure 2-8 Wing Stabilizer and Light Bracket Placement (33' Model) (Right Half) 2-11...

  • Page 21: Assembly Instructions

    ASSEMBLY INSTRUCTIONS WARNING It is very important that your new 7430 VT Plus be properly assembled, adjusted and lubricated be- fore use. Illustrations to assist with the assembly DO NOT ATTEMPT TO LIFT HEAVY process are provided in Section 2, “Standard PARTS (SUCH AS THE FRAME, DISC Specifications”.
  • Page 22 3/8-16 X 2-1/2 OR 3/8-16 X 3 HEX HEAD CAP SCREW 3/8W FLAT WASHER HOSE CLAMP 3/8-16 HEX LOCK NUT 3/4-10 PREVAILING TORQUE FLANGE DETAIL A 1/4-20 X 1 HEX HEAD CENTER FRAME CAP SCREW ASSEMBLY WING NUT HOSE HOLDER CLAMP SEE DETAIL 3/8-16 HEX NUT...

  • Page 23: 7430 Vt Plus Frame And Hitch Assembly

    3-1 7430 VT PLUS 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 PROCEDURES.
  • Page 24 11-3/4” LEVELER LINK 8” LEVELER LINK 1” FLANGE BEARING 1N FLAT WASHER 5/16 X 2-1/2 SPRING 1-1/4N FLAT SLOTTED PIN WASHER LEVELER SCREW 1-1/4 X 7-7/8 ASSEMBLY LEVELER LEVELER L LINK 1-1/4 FLANGE 3/4-10 HEX LOCK 1 X 7-7/8 BEARING LEVELER PIN 3/4-10 X 3-1/2 HEAD CAP SCREW...

  • Page 25: Leveler Assembly

    3-2 LEVELER ASSEMBLY 3-2.1 Install a hardened steel wear bushing in 3-2.5 Slide one end of the 11-3/4” link over the leveler screw assembly. Slide the large the leveler L link (See Figure 3-2). end of the 8” link over the other link and se- 3-2.2 Attach the leveler L link to the front cure with a 1”...
  • Page 26 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 3/4-10 HEX LOCK NUT...

  • Page 27: 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 28 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 1/2-13HEX...

  • Page 29: Hydraulic Leveler (Option)

    3-4 HYDRAULIC LEVELER (OPTION) 3-4.1 Thread a 1-1/2-6 hex nut onto the lev- 3-4.6 Insert a plastic wear flange bearing in each leveler cross bracket. Install the plastic eler screw assembly (See Figure 3-4). Ini- tially leave approximately 6-1/2” of threads wear flange bearing from the tube side of the visible between the 1-1/2-6 hex nut and the bracket.
  • Page 30 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 31: 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 32: Fold Cylinder Mount

    5/8-11 HEX LOCATION ON LOCK NUT 23’ MODEL FOLD CYLINDER MOUNT 5/8 X 4 X 6-1/2 U-BOLT LOCATION ON 26’ MODEL 5/8-11 HEX 23’ MODEL LOCK NUT FOLD CYLINDER MOUNT 5/8 X 4 X 6-1/2 U-BOLT 5/8-11 HEX LOCK NUT LOCATIONS ON 29’...
  • Page 33 5/8-11 HEX LOCK NUT LOCATION ON FOLD CYLINDER ’ MODEL MOUNT 5/8 X 4 X 7-3/4 U-BOLT 58-7/16 33’ MODEL 33 fold cyl bracket Figure 3-7 33' Fold Cylinder Mount Installation 3-6 FOLD CYLINDER MOUNT 3-6.1 For 23’ models, assemble the fold cylin- 3-6.3 For 29’...
  • Page 34 NOTE: MOST RIGHT DISC GANG ASSEMBLIES NOT SHOWN FOR CLARITY. 3/4-10 X 2 OR LEFT REAR CENTER 3/4-10 X 2-1/4 HEX FRAME DISC GANG HEAD CAP SCREW CONNECTION RIGHT REAR CENTER FRAME DISC GANG ASSEMBLY 3/4-10 HEX LOCK NUT LEFT REAR FRAME DISC GANG ASSEMBLY 1-1/2 FLANGE BEARING 1-1/2 THRUST...

  • Page 35: Center Frame Tires

    3-7 CENTER FRAME TIRES NOTE: ALL TIRE/WHEEL ASSEMBLIES ARE 3-7.1 Install the tire and wheel assemblies on MOUNTED WITH THE VALVE STEM FACING the center section. OUTWARD. ON 23’, 26’, AND 29’ 3-7.2 On 23', 26', 29' center frames, use tire CENTER FRAMES and wheel assembly (p/n 142648).
  • Page 36 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 37: Wing Frames

    3-9 WING FRAMES 3-9.1 Place the wing frames on top of the 3-9.4 Mount the wing stabilizer brackets to the wing gang assemblies and attach using wing frames using u-bolts and hex lock nuts. 3/4-10 x 2 hex head cap screws and hex See Figures 2-3 - 2-8 for placement lock nuts (See Figure 3-10).
  • Page 38 1/2-13 X 3-1/2 HEX HEAD CAP SCREW AND HEX LOCK NUT SLAVE DECAL 3/8 X 96 SLAVE 8 PORT 3-3/4 X 10 HYDRAULIC HOSE CYLINDER MANIFOLD 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 ASSEMBLY...
  • 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 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 AND HEX LOCK NUT...
  • Page 40 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 ASSEMBLY...
  • Page 41 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 42 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 43 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 44 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 45 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 ADAPTER...
  • Page 46 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 47 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 48: Hydraulic Installation

    3-10 HYDRAULIC INSTALLATION CAUTION Note: Refer to Figures 3-11 - 3-12 for lift and fold hydraulic diagrams for 7430-23' model. RESTRICTORS ARE INSTALLED TO PREVENT UNCONTROLLED DROP- Refer to Figures 3-13 - 3-14 for lift and fold hy- PING OF WINGS. REMOVAL OF draulic diagrams for 7430-26' model.

  • 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 -1/2 YELLOW HEX HEAD CAP REFLECTOR SCREW AMBER SINGLE ENHANCED LAMP LIGHTING MODULE #8-32 X 1/2 PAN HEAD SLOTTED...
  • Page 50 1-8 X 6-1/2 HEX HEAD CAP SCREW 1-8 HEX 20-3/4” LOCK NUT NOTE: SIDE PLATE REMOVED FOR CLARITY 1-1/2 FLANGE BEARING 1-1/2 PIVOT BUSHING 5/16 X 1-1/2 SPRING SLOTTED PIN 1-8 HEX NUT PIVOT PIN 1” LOCK WASHER MACHINERY BUSHING 3/8 X 4 SPRING SLOTTED PIN REEL ARM...

  • Page 51: Conditioner Reel Installation

    3-12 CONDITIONER REEL INSTALLATION 3-12.1 Install connex bushing into pivot hole of 3-12.5 Assemble 17" heavy spring assembly to reel arm using 1" pivot pin, machinery bush- 17" heavy spring (See Figure 3-23). ings, and 5/16 x 1-1/2" spring slotted pins. IMPORTANT Set pin centers to 20-3/4"...

  • Page 52: Rear Jack Installation

    3-13 REAR JACK INSTALLATION Two rear jack assembly is available for use on 5/8-11 HEX LOCK NUT the rear of the VT Plus. 3-13.1 On models built prior to November, REAR JACK MOUNT PLATE 2009: a. Attach rear jack mount and rear jack mount REAR JACK MOUNT plate weldment to the rear frame of the VT Plus using 5/8-11 x 6 hex head cap screws...

  • Page 53: 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 54 NOTES: 3-34...

  • Page 55: Operation And Maintenance

    OPERATION AND MAINTENANCE DANGER DANGER NEVER ALLOW ANYONE TO RIDE ON ALWAYS LOCK THE TRACTOR DRAW- THE 7430 VT PLUS AT ANY TIME. AL- BAR IN THE CENTER POSITION WHEN LOWING A PERSON TO RIDE ON THE TRANSPORTING THE UNIT. FAILURE MACHINE CAN INFLICT SERIOUS PER- TO DO SO CAN RESULT IN SERIOUS SONAL INJURY OR DEATH TO THAT...

  • Page 56: Tractor Preparation

    4-1 TRACTOR PREPARATION The Landoll 7430 VT Plus is designed to be 4-1.1 Inflate the rear tractor tires equally and pulled by tractor equipped with a double lip or add ballast according to the tractor opera- clevis type hitch. If your tractor is not equipped as tor’s manual.

  • Page 57: 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 58 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. VT Plus to the tractor and connect the hy- This will keep all cylinders in time and frame draulic lift hoses.

  • Page 59: Hydraulic Fold System

    4-5 HYDRAULIC FOLD SYSTEM 4-5.1 The VT Plus is equipped with a hydrau- 4-5.3 To charge the system, carefully hitch lic fold system to raise and lower the wing the VT Plus to the tractor. Unpin the end(s) frames for narrow transport. of the fold cylinders, and position them so 4-5.2 Be sure the system is fully charged with...
  • Page 60 4-5.5 To fold/unfold the VT Plus, find a level 3/16 HAIR PIN area large enough to accommodate the VT Plus when it is fully unfolded. The tractor WING STABILIZER should be stopped and not moving with the BRACKET unit fully raised. Remove the wing lock pins from the mounts and install them in the stor- age locations (See Figures 4-5 and 4-6).

  • Page 61: 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 62: Leveling (Side To Side)

    4-8 LEVELING (SIDE TO SIDE) 4-8.1 An adjustable radius rod connects the d. Measure the distance from the walking center frame lifts together to keep them oper- beam spindle to the top of the frame on both ating in unison. The radius rod does not level sides.
  • Page 63 4-8.4 Leveling the VT Plus side-to-side in- volves leveling the wing frame to the center frame. The unit should be level side-to-side when operating in the field. 4-8.5 To level the unit: a. Verify that all tires are properly inflated, and that the center radius rod adjustment has been properly set.

  • Page 64: Leveling (Front-To-Rear)

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

  • Page 65: Hydraulic Leveler Adjustment

    6-1/2” THREADS (23’ AND 26’ MODELS) 7” THREADS (29’ MODEL) 7-1/2” THREADS (33’ MODEL) LEVELER SCREW ASSEMBLY 4 X 30 FOLD CYLINDER 1-1/2-6 HEX LOCK NUT LEVELER TUBE LEVEL INDICATOR GAUGE LEVEL INDICATOR ROD 7430hydlevel 1 Figure 4-12 Hydraulic Leveler Adjustment 4-10 HYDRAULIC LEVELER ADJUSTMENT If a unit is equipped with an optional hydraulic 4-10.4...

  • Page 66: Hitch Adjustment

    4-11 HITCH ADJUSTMENT 4-11.1 It is important for the VT Plus to main- LEVELER BALL tain a proper draft line with the tractor to do JOINT LINK a level job of discing. The draft line will vary depending on soil conditions and tractor 1-8 X 4 HEX drawbar height.

  • Page 67: Scraper Adjustment

    4-12 SCRAPER ADJUSTMENT The VT Plus is equipped with rigid scrapers at 4-12.1 Rigid scrapers should be set initially as regular spools with dual scrapers at the disc bear- close to the disc blade as possible without ings. rubbing (approximately 1/8") (See Figure 4-14).

  • Page 68: Harrows

    4-13 HARROWS 4-13.1 Refer to harrow manuals for operation and maintenance instructions. 4-14 FRONT GAUGE WHEELS IMPORTANT 4-14.1 The VT Plus 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 69: Disc Blades

    4-15 DISC BLADES DANGER 4-15.1 The 7430 VT Plus is equipped with 22" -6 ga. (.197"), 22" -4 ga. (.256), or 22" -4 ga. DISC BLADES ARE EXTREMELY (.256 )rollable low concavity disc blades on SHARP. EXERCISE EXTREME CARE both front and rear. The use of other con- WHEN WORKING ON OR NEAR DISC cavity blades can give unpredictable results and is not recommended.

  • Page 70: Depth Stop Adjustment (Manual)

    4-16 DEPTH STOP ADJUSTMENT (MANUAL) The operating depth of the VT Plus is con- trolled by a single-point depth stop. The stop is lo- DEPTH STOP TUBE cated at the center front of the machine. 4-16.1 Adjust the depth stop by turning the DEPTH STOP GAUGE handle in (clockwise) to increase operating depth (See Figure 4-16).

  • Page 71: Wheel Bearing Maintenance

    4-17 WHEEL BEARING MAINTENANCE 4-17.7 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. 4-17.8 Install the outer bearing cone, washer Check the wheel bearings periodically for exces- and slotted nut.

  • Page 72: Transport

    4-19 TRANSPORT 4-19.1 Check and follow all federal, state, and 4-19.6 A safety chain is provided with the im- local requirements before transporting the VT plement to insure safe transport. Plus. a. The safety chain should have a tensile 4-19.2 The 7430 should be transported only by strength equal to or greater than the gross tractor required for field operation.
  • Page 73 4-19.7 Check that tires are of proper size, load 1-3/8 x 10 TRANSPORT rating, and inflated to manufacture specifica- LOCKOUT tions before transporting. Check wheel lug bolts to insure tightness. L PIN 4-19.8 Know the transport heights and widths of the unit before transporting. Attachments such as leveling harrows can increase the transport dimensions of the implement.
  • Page 74 7430 lube Figure 4-20 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 6 Bolt Wheel Hubs 1 each Manual Leveler Tube Hydraulic Leveler Tube (Optional)

  • Page 75: Lubrication Maintenance

    4-20 LUBRICATION MAINTENANCE 4-20.1 Table 4-3 specifies the number and the grease pass and not harm the seal. Regular lubrication will maintain a full grease cavity period of lubrication points on the 7430 VT Plus. Proper maintenance of your machine and help purge any contaminants.

  • Page 76: Storage

    4-21 STORAGE 4-21.1 The service life of the VT Plus will be REAR JACK extended by proper off-season storage prac- MOUNT tices. 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.
  • Page 77 NOTES 4-23...

  • Page 79: Troubleshooting Guide

    TROUBLESHOOTING GUIDE The Troubleshooting Guide, shown below, is included to help you quickly locate problems that can hap- pen using your 7430 VT Plus. 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...
  • Page 80 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 81 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 82 NOTES:...
  • Page 84 Equipment from Landoll Corporation is built to exacting standards ensured by ISO 9001 registration at all Landoll manufacturing facilities. Model 7430 VT Plus Operator’s Manual Re-Order Part Number F-531-1109 LANDOLL CORPORATION 1900 North Street Marysville, Kansas 66508 (785) 562-5381 800-428-5655 ~ WWW.LANDOLL.COM Copyright 2010.

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