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Summary of Contents for Lorenz 7S509
- Page 1 Operator’s and Parts Manual LORENZ C-SHANK ROW CROP CULTIVATOR Straight Toolbar Folding Toolbar 1800 14 Avenue NW Watertown, South Dakota 57201 (605) 886-9596 lorenzmfg.com...
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Page 2: Table Of Contents
TABLE OF CONTENTS Specifications Safety Precautions Pre-Operating Check List Field Operation Row Crop Assembly Instructions Stabilizer Guide Coulter Mounting Instructions Large Gauge Wheel Kit Open Top Shield Folding Toolbar Hinge Field Adjustments and Operating Tips Troubleshooting Parts Lists Warranty... -
Page 3: Specifications
SPECIFICATIONS Straight Toolbar Models 5”x 7” Toolbar (3 and 5-Shank Models) Model Rows Spacing Gangs Shanks Toolbar Width Weight (lbs.) 7S509 36, 38, 40 7/11 86” 730/830 7S532 36, 38, 40 13/21 172” 1,141/1,341 7S559 36, 38, 40 13/21 192”... - Page 4 Shovels (3-Shank Standard Size) Position Size 2 Row 4 Row 6 Row 8 Row 12 Row 16 Row Front Rank 4” Center Rank 6” Rear Rank 8” Total Note: All front shovels must be the same size. All center shovels must be the same size. All rear shovels must be the same size.
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Page 5: Safety Precautions
Prior to operating the Row Crop Cultivator, be sure to read and understand this Operator’s Manual. If there is any portion you do not understand, or any phase of the machine’s operation you do not understand, be sure to contact your local Lorenz dealer or Lorenz Manufacturing Company. -
Page 6: Preoperating Checklist
Observe the same precautions if the rear wheels become mired in soft ground or drop in a hole. Do not drive near the edge of a ditch or gully. Only one person, the operator, should be permitted on the tractor when it is in operation. Never allow a person to ride on the cultivator. -
Page 7: Field Operation
FIELD OPERATION The C-Shanks are fastened to the gang toolbars by means of a spring-loaded C-Shank assembly. The special C-Shank assembly locks, fastened on both sides, secure the assembly in position and reduces side-to-side movement of the C-Shank assembly. It is very important that the main assembly bolt and the lock U-bolts remain tight. - Page 8 3. 5”x 7” Head tower assembly. See Fig. 2a. Position the head tower (6) at the center of the toolbar with hitch holes to the front. Wrap the two ¾” U-Bolts (5) from the bottom of the toolbar and insert through the head tower holes. Fasten with ¾”...
- Page 9 Insert the two lower 3-point 1 ”x 5” pins (12) for category 2 hitches, or 1 ” x 7/16 6 ¾” pins for category 3 hitches, in the holes of the lower 3-pt. hitch. Secure with ” hairpins. 3/16 4. 7”x 7” Head tower assembly. See Fig. 2b. For both folding and non-folding toolbars, position the head tower (136) at the center of the toolbar with hitch holes to the front.
- Page 10 Note: If the parking stand makes contact with the tractor cab when the cultivator is raised, reposition the parking stand on the rear side of the toolbar. 6. See Fig. 5. For 5-Shank gangs, place the two front adjustable tubes (19) or (20) into the front Formed angle of the gang.
- Page 11 7. See Fig. 4. Attach the C-Shank assemblies on the tubes extending from the main gang using ½” x 3 ½” bolts with ½” lock washers and ½” hex nuts. For 5-Shank gangs, each center gang receives 5 shanks positioned as in Fig. 3. The outside gangs receive 3 shanks, positioned on the inside of the gang.
- Page 12 The two lower parallel link arms with welded pad are mounted on the outside of the gang tower. Place a thick ” washer on a ”x 8 ½” bolt (flat side of washer toward the head of the bolt). Next, place the pad side of one of the lower arms with welded pad facing upward, then place another thick ”...
- Page 13 Important: The link arm bolts should be tightened only to the point where the gang is able to float freely, with no side-to-side sway allowed. Fig. 5...
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Page 14: Stabilizer Guide Coulter Mounting Instructions
12. Attach gang to toolbar. Position the gangs opposite the hitch side of the toolbar. Locate your row spacing marks on the toolbar and center each gang’s angle gang bracket on these marks. For 5”x 7” toolbars, place two ”x 5”x 8 ¼” U-Bolts, (31) around the front of the toolbar with thread ends inserted through the upper and lower holes of the angle gang bracket. - Page 15 Mounting one stabilizer guide coulter to the center of the cultivator, see Fig. 6. 1. Position the cultivator’s center gang’s gauge wheel (1) so that it is traveling under the right side of the gang, when viewed from the front. This will allow the coulter blade (2) to run in the center of the cultivator without disturbing the gauge wheel tire.
- Page 16 3. Position the stabilizer in front of, and to the inside of the gang, when looking at the cultivator from the front. Remove the ” U-Bolt from the inside angle gang bracket. Match the stabilizer bracket holes so the two outside holes align with the two inside angle bracket holes.
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Page 17: Large Gauge Wheel Kit
LARGE GAUGE WHEEL KIT MOUNTING INSTRUCTIONS 1. Locate positions of equal length from the toolbar’s center point. The large gauge wheels are mounted opposite a gang, and using two of the gang’s angle bracket holes to secure to the toolbar. Usually, the two large gauge wheels are mounted on the inside of the center toolbar’s outer gangs. -
Page 18: Open Top Shield
OPEN TOP SHIELD MOUNTING INSTRUCTIONS 1. Attach lower swing arm brackets to shield. Align the rear (opposite curve end) four holes of the shield (1 or 1A) with the four holes of the lower swing arm bracket (2). Insert four ”x ¾”... - Page 19 Fig. 9...
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Page 20: Folding Toolbar Hinge
TOOLBAR HINGE COMPONENT Fig. 10... -
Page 21: Field Adjustments And Operating Tips
FIELD ADJUSTMENTS AND OPERATING TIPS Compare cultivator with planter to verify row settings. Check gang movement. a. Vertical travel – Gang should move up and down without wobble, but not binding. Readjust tightness/looseness of the gang tower linkage arm if necessary b. - Page 22 7” shovel in the rear. Do not grease or oil the parallel arm powder metal bushings. The Lorenz cultivator is designed to adapt readily to 3-point quick hitch. A maximum depth of 3 to 4 inches is suggested to insure ideal cultivator performance, although, on a second cultivation, it may be necessary to increase the depth in order to maintain optimum shank action.
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Page 23: Troubleshooting
It is beneficial to read this section prior to operating the equipment to help prevent these problems from taking place. For problems or questions that do not appear on this guide, please call your dealer or Lorenz Manufacturing Company for further assistance. Issue... -
Page 24: Parts Lists
PARTS LISTS CULTIVATOR GANG (Fig. 5) Item Part No. Description Quantity 5N231 Gang Weld Assembly 5N149 C-Shank Assembly As Required 5L166 4” Shovel As Required 6P018 5” Shovel As Required 6P020 7” Shovel As Required 5L213 Powder Metal Bushing 3H404 2”... - Page 25 1A457 ” Lock Nut NC ZP 1A464 ¾” Lock Nut NC ZP 1A237 ”x 1 ½” Plow Bolt 7/16 1A363 ” Lock Washer ZP 7/16 1A446 ” Heavy Hex Nut 7/16 GAUGE WHEEL ASSEMBLY (5N112) Item Part No. Description Quantity 3H441 Rim, Gauge Wheel 2E741...
- Page 26 FLAT FOLD HINGE – 5”x 7” TOOLBAR (Fig. 10) Item Part No. Description Quantity 5L042 3 ½”x 16” Cylinder (8 Row) 5L043 4”x 16” Cylinder (12 & 16 Row) 5L054 58” Hydraulic Hose (8 Row) 5L056 68 ½” Hydraulic Hose (12 Row) 5L055 77”...
- Page 27 TOOLBAR PARTS LIST Item Part No. Description 6Q178 Toolbar 5”x 7”x 86” 2 Row Wide Cultivator 6Q134 Toolbar 5”x 7”x 132” 4 Row Narrow Cultivator 6Q179 Toolbar 5”x 7”x 172” 4 Row Wide Cultivator 6Q180 Toolbar 5”x 7”x 192” 6 Row Narrow Cultivator 6Q181 Toolbar 5”x 7”x 252”...
- Page 28 3-PT HITCH PACKAGE FOR 5”x 7” TOOLBAR CAT II PARTS LIST (7S831) (Fig. 2a) Item Part No. Description Quantity 4K100 Head Tower 5N258 Lower 3-pt. Component 4K184 Upper 3-pt Pin 1”x 4” 4K181 Lower 3-pt Pin 1 1/8" x 5" 5L131 ¾”x 7"x 6 ½”...
- Page 29 OPEN TOP CROP SHIELD Item Part No. Description Quantity 5N432 Right Hand Shield Panel 10”x 48” 5N431 Left Hand Shield Panel 10”x 48” 5N422 Lower Swing Arm Brkt. w/3” Stud 5N153 Upper Swing Arm Tube/Plate 2”x 2”x 15 ½” 5N156 2”x 2”x 26”...
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Page 30: Warranty
This warranty shall not be interpreted to render Lorenz Manufacturing Company liable for injury or damages of any kind, direct, consequential, contingent to persons or property. Furthermore, this warranty does not extend to loss of crops, losses caused by harvest delays or any expense or loss for labor, supplies, rent machinery or for any other reason.
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