Unverferth Perfecta 10 Manual

4 ft - 8 ft. models s-tine field cultivator
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Seedbed Tillage
Perfecta
®
4 FT - 8 FT. Models
S-Tine Field Cultivator
Models 10 / 12 / 14
Serial Number A59300100 & Up
Part No. 74278

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Summary of Contents for Unverferth Perfecta 10

  • Page 1 Seedbed Tillage Perfecta ® 4 FT - 8 FT. Models S-Tine Field Cultivator Models 10 / 12 / 14 Serial Number A59300100 & Up Part No. 74278...
  • Page 2 FIELD CULTIVATORS — Introduction Foreword This symbol identifies important safety messages. When you see it, read the message that follows and be alert to the possibility of personal injury. Remember, safety instructions stated in this manual are for your protection. Read them carefully and follow them closely when working around or using this machine.
  • Page 3: Product Information

    Please fill out and retain this portion for your records. All products manufactured by Unverferth Mfg. Co., Inc. are warranted to be free from material and workmanship defects for one full year from time of consumer delivery. Your local dealer will gladly assist you with any warranty questions.
  • Page 4: Table Of Contents

    FIELD CULTIVATORS — Introduction Table of Contents Foreword ............................2 Product Information ........................3 SECTION I Safety General Hazard Information ....................... 1-2 Safety Decals ..........................1-3 Following Safety Instructions ..................... 1-4 Before Servicing ......................... 1-4 Before Operating ........................1-5 During Operation ........................1-5 Before Transporting ........................
  • Page 5 FIELD CULTIVATORS — Introduction Table of Contents SECTION II Setup General Set Up Information ....................... 2-2 Rolling Harrow Assembly ......................2-3 Arm Assembly ........................2-3 Basket Assembly ........................2-4 Leveler Assembly ........................2-5 Spike Tooth Assembly ......................2-5 Round Tooth Assembly ......................2-6 Overhead Layouts ........................
  • Page 6 FIELD CULTIVATORS — Introduction Table of Contents SECTION III Operations General Operation Information ....................3-2 Preparing Tractor ........................3-2 Front-End Weights ....................... 3-2 Sway Blocks ........................3-2 Wheel Spacing ........................3-3 Drawbar Position ......................... 3-3 Lift Links And Center Links ....................3-3 Lift Link Lateral Float ......................
  • Page 7 FIELD CULTIVATORS — Introduction Table of Contents SECTION IV Maintenance Storage ............................4-2 Trouble Shooting ........................4-2 Torque Chart ..........................4-3 S-Tine Replacement ........................4-4 Replacing Bearings for Rolling Harrow Baskets................ 4-5 SECTION V Parts Main Frame ..........................5-2 Rolling Harrow Basket Components ..................5-4 Leveler Bar Components ......................
  • Page 8 FIELD CULTIVATORS — Introduction Notes...
  • Page 9: Section I

    — Safety FIELD CULTIVATORS SECTION I Safety General Hazard Information ....................... 1-2 Safety Decals ..........................1-3 Following Safety Instructions ..................... 1-4 Before Servicing ......................... 1-4 Before Operating ........................1-5 During Operation ........................1-5 Before Transporting ........................1-5 During Transport ......................... 1-6 Preparing for Emergencies......................
  • Page 10: General Hazard Information

    It is said that, “the best kind of a safety device is a careful operator.” We, at Unverferth Mfg. Co., Inc. ask that you be that kind of operator.
  • Page 11: Safety Decals

    — Safety FIELD CULTIVATORS Safety Decals Amber Reflector (Part Number 9003127) (Part Number 97961) (Part Number 97972) Red Reflector (Part Number 9003126) (Part Number 99507)
  • Page 12: Following Safety Instructions

    — Safety FIELD CULTIVATORS Following Safety Instructions • Read and understand this operator’s manual before operating. • All machinery should be operated only by trained and authorized personnel. • To prevent machine damage, use only attachments and service parts approved by the manufacturer. •...
  • Page 13: Before Operating

    — Safety FIELD CULTIVATORS Before Operating • Do not stand between towing vehicle and implement during hitching. • Always make certain everyone and everything is clear of the machine before beginning operation. • Verify that all safety shields are in place and properly secured. •...
  • Page 14: During Transport

    — Safety FIELD CULTIVATORS During Transport • Comply with all laws governing highway safety when moving machinery. • Use transport lights as required by all laws to adequately warn operators of other vehicles. • Use good judgment when transporting equipment on highways. Regulate speed to road conditions and maintain complete control.
  • Page 15: Preparing For Emergencies

    — Safety FIELD CULTIVATORS Preparing for Emergencies • Keep a first aid kit and properly rated fire extinguisher nearby. • Keep emergency numbers for fire, rescue, and poison control personnel near the phone. Wearing Protective Equipment • Wear clothing and personal protective equipment appropriate for the job. •...
  • Page 16 — Safety FIELD CULTIVATORS Notes...
  • Page 17 — Set-Up FIELD CULTIVATORS SECTION II Setup General Set Up Information ....................... 2-2 Rolling Harrow Assembly ......................2-3 Arm Assembly ........................2-3 Basket Assembly ........................2-4 Leveler Assembly ........................2-5 Spike Tooth Assembly ......................2-5 Round Tooth Assembly ......................2-6 Overhead Layouts ........................
  • Page 18: - Set-Up

    — Set-Up FIELD CULTIVATORS General Setup Information This section contains all of the instructions required for the complete assembly of the entire field cultivator. For your safety, and the safety of others, use proper tools and equipment and always use safe working procedures.
  • Page 19: Rolling Harrow Assembly

    — Set-Up FIELD CULTIVATORS Rolling Harrow Assembly When servicing mounting arm or “Rolling Harrow”, it may be necessary to disassemble the unit from the main frame. Refer to the following instructions for proper installation. NOTE: To disassemble “Rolling Harrow”, reverse the following steps. Arm Assembly Assembly of the “One-Bar/Rolling Harrow”...
  • Page 20: Basket Assembly

    — Set-Up FIELD CULTIVATORS Rolling Harrow Assembly (Continued) Rolling Harrow Basket Assembly 2. Refer to table (below) for determining rolling harrow basket width required, on each section. ROLLING ROLLING HARROW HARROW FRAME-WIDTH BASKET WIDTH 35" 47" 59" 71" 3. Position “Rolling Harrow” assembly to mounting arms, align holes and install 5/8”-11UNC U-bolt (85620) and secure with locknuts (9801) (Fig.
  • Page 21: Leveler Assembly

    — Set-Up FIELD CULTIVATORS Leveler Assembly • FALLING OBJECTS CAN CAUSE SERIOUS INJURY OR DEATH. DO NOT WORK UNDER THE MACHINE AT ANY TIME WHILE BEING HOISTED. BE SURE ALL LIFTING DEVICES AND SUPPORTS ARE RATED FOR THE LOADS BEING HOISTED. THESE ASSEMBLY INSTRUCTIONS WILL REQUIRE SAFE LIFTING DEVICES UP TO 1,500 LBS.
  • Page 22: Round Tooth Assembly

    RH Tooth (74672B) RH "Y" Tooth (74670B) — Set-Up FIELD CULTIVATORS Leveler Assembly (Continued) Round-Tooth Assembly 2. Refer to table (below) for determining one-bar length required, on each section. LH Tooth ONE-BAR RIGHT/LEFT CENTER (74676B) SIZE LENGTH LENGTH ONE-BAR SIZE LENGTH Locknut (9800) 35 1/2"...
  • Page 23: Overhead Layouts

    — Set-Up FIELD CULTIVATORS Overhead Layouts Use these overhead layout drawings as an assembly guide for the positioning of components onto the cultivator frame. Note: All dimensions are in inches - unless otherwise specified. 2nd pictorial top row is to be Model 10. 2nd pictorial 2nd row is to be Model 14.
  • Page 24: Ft. Frame

    — Set-Up FIELD CULTIVATORS Overhead Layouts (Continued) 4 Ft. Frame Model 12 Heavy-Duty S-Tines Diagonal-Tooth One Bar 4’ Center Assembly (74687B)
  • Page 25: Ft. Frame

    — Set-Up FIELD CULTIVATORS Overhead Layouts (Continued) 5 Ft. Frame 5 Ft. Frame Model 12 Heavy-Duty S-Tines Model 12 Heavy-Duty S-Tines (Beginning with Serial #A61580100) (Prior to Serial #A61580100) Diagonal-Tooth One Bar 5’ Center Assembly (74688B)
  • Page 26: Ft. Frame

    — Set-Up FIELD CULTIVATORS Overhead Layouts (Continued) 6 Ft. Frame Model 12 Heavy-Duty S-Tines Diagonal-Tooth One Bar 6’ Center Assembly (76692B) 2-10...
  • Page 27: Ft. Frame

    — Set-Up FIELD CULTIVATORS Overhead Layouts (Continued) 7 Ft. Frame Model 12 Heavy-Duty S-Tines 4 1/2’ LH-Y Diagonal One-Bar 3’ RH-Y Diagonal One-Bar (76959B)) (76955B) 2-11...
  • Page 28 — Set-Up FIELD CULTIVATORS Overhead Layouts (Continued) 8 Ft. Frame Model 12 Heavy-Duty S-Tines (Beginning with Serial #A61580100) 2-12...
  • Page 29 — Set-Up FIELD CULTIVATORS Overhead Layouts (Continued) 8 Ft. Frame Model 12 Heavy-Duty S-Tines (Prior to Serial #A61580100) 2-13...
  • Page 30: Optional Reinforcement Disc

    — Set-Up FIELD CULTIVATORS Optional Reinforcement Disc For Aggressive Basket • EYE PROTECTION AND OTHER APPROPRIATE PROTECTIVE EQUIPMENT MUST BE WORN WHILE SERVICING THE IMPLEMENT. • TIPPING OR MOVEMENT OF THE MACHINE CAN CAUSE SERIOUS INJURY OR DEATH. BE SURE MACHINE IS SECURELY BLOCKED. •...
  • Page 31 — Operation FIELD CULTIVATORS SECTION III Operations General Operation Information ....................3-2 Preparing Tractor ........................3-2 Front-End Weights ....................... 3-2 Sway Blocks ........................3-2 Wheel Spacing ........................3-3 Drawbar Position ......................... 3-3 Lift Links And Center Links ....................3-3 Lift Link Lateral Float ......................3-3 Load And Depth Control ......................
  • Page 32: General Operation Information

    — Operation FIELD CULTIVATORS General Operation Information • READ AND UNDERSTAND SAFETY RULES BEFORE OPERATING OR SERVICING THIS MACHINE. REVIEW "SAFETY" SECTION IN THIS MANUAL IF NECESSARY. Read this operation section thoroughly. Acquaint yourself with the adjustments required to obtain efficient and trouble-free operations. Preparing Tractor Before operating implement refer to tractor operator’s manual for information concerning safe methods of operation, hydraulics, hitch adjustment, tire inflation, wheel adjustments, and...
  • Page 33: Wheel Spacing

    — Operation FIELD CULTIVATORS Preparing Tractor (continued) Wheel Spacing The dimension from the center of the tractor to the center of each tire should be the same. If using the PERFECTA II to cultivate in fields of row crops, set the tractor wheels so they are centered between the rows.
  • Page 34: Preparing Field Cultivator

    — Operation FIELD CULTIVATORS Preparing Field Cultivator Mast And Hitch The PERFECTA can be used on a tractor with a 3-point, category I, hitch. Beginning with serial number A62650100, 3-point mast plates will have 2 holes for top link for added flexibility connecting to different tractor models and various brands of tractor quick coupler hitches.
  • Page 35: Leveling Cultivator Frame

    — Operation FIELD CULTIVATORS Attaching Cultivator To The Tractor • DO NOT STAND BETWEEN TRACTOR AND IMPLEMENT DURING HITCHING. Back the tractor to the front of the cultivator and position the draft links in front of, and in line with, the lower hitch pins. Shut-off the engine and set the brakes on the tractor. Connect the draft links to the front of the cultivator and adjust the length of the top link to enable installation of the hitch pins.
  • Page 36: Unhitching

    See federal regulation 49 CFR 562; available at www.govinfo.gov for US federal law requirements. See your Unverferth dealer for additional brackets, reflectors, or lights to meet your requirements. Be sure SMV Emblem is in place and clearly visible on rear of the tractor.
  • Page 37: Field Adjustments

    — Operation FIELD CULTIVATORS Field Adjustments Rolling Harrow The “Rolling Harrow” baskets are designed to help provide an excellent seedbed when used in conjunction with the S-tines and one-bar drag tooth harrow. Basket Running Positions The Rolling Harrow basket assemblies consist of an aggressive basket with the blades angled forward.
  • Page 38: Working Depth

    — Operation FIELD CULTIVATORS NOTE: To reverse the “Rolling Harrow”, remove the U-bolts connecting the lower frame to the Field Adjustments (Continued) spring arm, rotate the rolling harrow frame, and re-install U-bolts. Torque nuts to 110 ft. lbs. NOTE: Be sure to center “Rolling Harrow” frame with the arms on each section. Maintain approximately a 3/4”...
  • Page 39: Leveler Bar

    — Operation FIELD CULTIVATORS Leveler Bar The one-bar is designed to improve the soil leveling capabilities of your PERFECTA implement. The one-bar spring pressure can be increased, to improve ground leveling (by tightening the adjusting screw) or decreased, to improve trash flow (by loosening the adjusting screw). Adjust Spring Pressure A.
  • Page 40: Tooth Depth Adjustment

    — Operation FIELD CULTIVATORS Leveler Bar (Continued) Tooth Depth Adjustment NOTE: Tooth depth adjustment is provided, but should only be adjusted to allow for tooth wear. (spiked-tooth one-bar only). D. Loosen U-bolt on each tooth. E. Drive teeth down to desired depth. Re-tighten U-bolts.
  • Page 41: Tool-Free Style Leveler Bar Lock Up

    — Operation FIELD CULTIVATORS Leveler Bar (Continued) OM87689 Fig. 1-8 WARNING! PINCH POINT • STORED ENERGY HAZARD LEVELER BAR MOUNTING ARMS ARE SPRING-LOADED AND CAN CAUSE SERIOUS INJURY IF NOT DISASSEMBLED PROPERLY. KEEP HANDS AND FINGERS AWAY FROM PINCH POINTS. FOLLOW DISASSEMBLY PROCEDURES TO PREVENT INJURY.
  • Page 42 — Operation FIELD CULTIVATORS Notes 3-12...
  • Page 43 — Maintenance FIELD CULTIVATORS SECTION IV Maintenance Storage ............................4-2 Trouble Shooting ........................4-2 Torque Chart ..........................4-3 S-Tine Replacement ........................4-4 Replacing Bearings for Rolling Harrow Baskets................ 4-5...
  • Page 44: Storage

    — Maintenance FIELD CULTIVATORS Storage Your implement is an important investment. Spend a little time to protect it from destructive rust and corrosion. You will be repaid in longer service life and better performance. Do the following before placing the implement in storage: 1.
  • Page 45: Torque Chart

    — Maintenance FIELD CULTIVATORS Torque Chart CAPSCREWS - GRADE 5 NOTE: Grade 5 capscrews can be identified by three radial dashes on head. NOTE: Tighten U-bolts to have the same number of threads exposed on each end. SIZE FOOT NEWTON POUNDS METERS 1/4-20...
  • Page 46: S-Tine Replacement

    — Maintenance FIELD CULTIVATORS S-Tine Replacement To remove s-tine, loosen bolt and nut on s-tine clamp. Pull back on the bottom end of s-tine and rotate back until frame tube slips through s-tine. Install s-tine onto frame tube by slipping opening in s-tine around tube and apply downward pressure on s-tine to swing into place.
  • Page 47: Replacing Bearings For Rolling Harrow Baskets

    Tighten 5/16”-18UNC capscrews before you tighten the setscrew in the lock collar. Turn lock collar in the direction of travel. Tighten capscrews according to “Torque Chart”. • All ROLLING HARROW® bearings are manufactured with triple-lip seals. It is important to use Unverferth bearings for maximum life.
  • Page 48 — Maintenance FIELD CULTIVATORS Notes...
  • Page 49 — Parts FIELD CULTIVATORS SECTION V Parts Main Frame ..........................5-2 Rolling Harrow Basket Components ..................5-4 Leveler Bar Components ......................5-6 Leveler Bar Assemblies......................5-8 S-TInes, Sweeps, & Shovels ....................5-10 Standard Model 10 ......................5-10 Heavy Duty Model 12 ....................... 5-11 Heavy Duty Edge Bent Model 14 ..................
  • Page 50: Main Frame

    — Parts FIELD CULTIVATORS Main Frame...
  • Page 51 9404-037 Lock Washer 7/8" 9394-017 Hex Nut 7/8-14UNF 901765 Decal, UM Swoosh 91605 Decal, FEMA 9500655 Decal, PERFECTA 10 9500656 Decal, PERFECTA 12 9500657 Decal, PERFECTA 14 97961 Decal, WARNING "Read and Understand Manual" 97972 Decal, WARNING "Crush Hazard" 9003127...
  • Page 52: Rolling Harrow Basket Components

    — Parts FIELD CULTIVATORS Rolling Harrow Basket Components...
  • Page 53 — Parts FIELD CULTIVATORS Rolling Harrow Basket Components ITEM PART NO. DESCRIPTION NOTES 81323 3 Ft. Basket Assembly 81324 4 Ft. Basket Assembly 81325 5 Ft. Basket Assembly 86388B 6 Ft. Basket Assembly 81121 3 Ft. Aggressive Roller 81123 4 Ft. Aggressive Roller 81125 5 Ft.
  • Page 54: Leveler Bar Components

    — Parts FIELD CULTIVATORS Leveler Bar Components SPIKED TOOTH DIAGONAL TOOTH...
  • Page 55 — Parts FIELD CULTIVATORS Leveler Bar Components ITEM PART NUMBER DESCRIPTION NOTES 74676B Diagonal Bent Left-Hand Tooth 74672B Diagonal Bent Right-Hand Tooth 74671B Diagonal Bent Left-Hand “Y” Tooth 74670B Diagonal Bent Right-Hand “Y” Tooth 91069PL Flat Washer 2" OD 9388-105 Carriage Bolt 1/2”-13UNC x 1 3/4”...
  • Page 56: Leveler Bar Assemblies

    — Parts FIELD CULTIVATORS Leveler Bar Assemblies...
  • Page 57 — Parts FIELD CULTIVATORS Leveler Bar Assemblies ITEM PART NO. DESCRIPTION 71181 Straight Spike-Tooth One Bar 3’ Assembly 71182 Straight Spike-Tooth One Bar 4’ Assembly 71183 Straight Spike-Tooth One Bar 5’ Assembly 71579B Straight Spike-Tooth One Bar 6’ Assembly 76959B Diagonal-Tooth One Bar 3’...
  • Page 58: S-Tines, Sweeps, & Shovels

    — Parts FIELD CULTIVATORS S-Tines, Sweeps, & Shovels — Standard Model 10 ITEM PART NO. DESCRIPTION NOTES 82065 Clamp 9952 S-Tine 1 1/4 x 1/2 (32 x 12 M.M.) 9823 Plow Bolt 3/8-16UNC x 1 1/2" Lg. Grade 8 9390-112 Capscrew 1/2-13UNC x 4 1/2"...
  • Page 59: S-Tines, Sweeps, & Shovels

    — Parts FIELD CULTIVATORS S-Tines, Sweeps, & Shovels — Heavy-Duty Model 12 ITEM PART NO. DESCRIPTION NOTES 83417 Clamp 9405-082 Flat Washer 7/16" USS 91411 Plow Bolt 7/16-14UNC x 1 1/2" #3 Flat Head Grade 5 9390-112 Capscrew 1/2-13UNC x 4 1/2" Grade 5 9800 Locknut 1/2-13UNC...
  • Page 60 — Parts FIELD CULTIVATORS S-Tines, Sweeps, & Shovels — Heavy-Duty Edge Bent Model 14 ITEM PART NO. DESCRIPTION NOTES 9405-082 Flat Washer 7/16" USS 93687 Sweep 7” 91411 Plow Bolt 7/16-14UNC x 1 1/2" #3 Flat Head Grade 5 91495 S-Tine with Edge Flattened For Trash Clearance 82066 Clamp...
  • Page 61 — Parts FIELD CULTIVATORS Notes 5-13...
  • Page 62 L:\MANUALS\PERFECTA\\74278.indd////July 2013-0//November 2013-1//April 2014-2//November 2014-3//January 2016-4//July 2017-5//October 2017-6//June 2018-7//April 2019-8//November 2019-9...

This manual is also suitable for:

Perfecta 12Perfecta 14

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