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Summary of Contents for Unverferth MAXIMUS 100
- Page 1 Seedbed Tillage oPERAToR'S MANUAl & PARTS CATAloG MAXIMUS ® TANDEM DISK MoDEl 100 Part No. 72573...
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Page 2: Introduction
It is said that, "the best kind of a safety device is a careful operator." We, at Unverferth Manufactur- ing Company, Inc., ask that you be that kind of operator. - Page 3 ThANK yoU foR yoUR PURChASE! Please fill out and retain this portion for your records. For warranty consideration, please contact dealer where purchased. The serial number plate is located on the right inside of frame tube (Fig. 1). Product Serial Number Date of Purchase Dealer City...
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Page 4: Table Of Contents
TAblE of CoNTENTS SECTIoN III - ASSEMbly INTRODUCTION ..........2 SAFETY DECALS ..........5 OPTIONAL ATTACHMENTS BLADE EXTENSIONS ......22 SAFETY ..............5 FURROWING SHANK,GROUND TOOL FOLLOW SAFETY INSTRUCTIONS ...5 AND MOUNTING HDW ....23 OPERATING ..........6 FURROWING SHANK TRANSPORTING .........6 (RIGID OR SHEAR-BOLT) ..23 SERVICING/MAINTENANCE .......6 BLADE SCRAPERS......24 PREPARING FOR EMERGENCIES ....6... -
Page 5: Safety Decals
SAfETy DECAlS SAfETy SIGNAl WoRDS Signal words are used to alert users of potential hazards and the severity of these hazards. DANGER INDICATES AN EXTREMEly hAZ- ARDoUS SITUATIoN oR ACTIoN ThAT WIll RESUlT IN SERIoUS INjURy oR DEATh. WARNING INDICATES A hAZARDoUS SITUATIoN oR ACTIoN ThAT CoUlD RESUlT IN SERIoUS INjURy oR DEATh. -
Page 6: Operating
Never attempt to operate implement unless you Do not work under an unsupported implement. are in driver's seat. Use blocks or jackstands with a load rating equal to or greater than the weight of the implement for adequate support. oPERATING Do not grease or oil the equipment while in operation. -
Page 7: Section I - Operations
SECTIoN I oPERATIoNS WARNING! KNoW AND UNDERSTAND Read this operation section thoroughly. Acquaint SAfETy RUlES bEfoRE oPERATING oR yourself with the adjustments required to obtain SERVICING ThIS MAChINE. REVIEW “SAfETy” efficient and trouble-free operations. SECTIoN IN ThIS MANUAl If NECESSARy. PREPARING TRACToR Before operating implement refer to tractor Before hitching to the MAXIMUS disk, be certain... -
Page 8: Leveling
OPERATIONS lEVElING than the inner blades. Similarly, the inner blades on the rear gangs will wear faster than the outer When leveling your MAXIMUS DISK, position the blades. For best performance, keep all blades tractor with the implement on a level surface. approximately the same diameter. -
Page 9: Working Depth
OPERATIONS fIG. 1-1 fIG. 1-3 oM-04313 oM-04313 WoRKING DEPTh Working depth of the MAXIMUS DISK is con- trolled by the tractor's 3-point hitch. Down pressure should not be applied with the tractor 3-point hydraulic system. If the disk runs deeper than 2"-4"... -
Page 10: Operating Instructions
OPERATIONS oPERATING INSTRUCTIoNS REVERSIblE hITCh Select a gang angle and lower the imple- The hitch of the MAXIMUS disk may be installed ment to the ground. Select a groundspeed on either end of the main frame. A tractor or in the range of 2-5 mph and begin moving other lifting device should be used to remove forward. -
Page 11: Optional Attachments
OPERATIONS oPTIoNAl ATTAChMENTS Several optional attachments are available for the MAXIMUS disk which include center furrowing shank blade extensions, blade scrapers, blade covers, side shields, and single Rolling Harrow® Soil Condi- tioners. Use of these attachments will increase the weight of the MAXIMUS disk and may require ad- ditional ballasting of the tractor. -
Page 12: Blade Scrapers
OPERATIONS blADE SCRAPERS (#71801b, 72887b, 72936b) Adjustment and performance of the blade scrap- ers will depend on the soil types and conditions. In most cases, the scraper should NOT directly contact the disk blade. Adjust the scraper to allow 1/16 to 1/8" clearance from the blade. Rotate the gang to verify clearance all the way around. -
Page 13: Blade Covers
OPERATIONS blADE CoVERS SIDE ShIElD (#71809b) Side shields can be used to prevent vines and (#71805b, 72931b, 72939b) branches from becoming entangled in the disk. Blade covers will prevent vines and branches The shields may be adjusted for height and from becoming entangled in the disk. -
Page 14: Attachment
OPERATIONS SINGlE RollING hARRoW ATTAChMENT (#72589b - 6fT; 72940b - 7fT; 71813b - 8fT; 72941b - 9fT; 72942b - 10 fT) The SINGLE ROLLING HARROW ATTACHMENT To reverse the ROLLING BASKETS, remove the is designed to provide an excellent seedbed U-bolts connecting the lower frame to the spring when used in conjunction with the MAXIMUS arm, rotate the rolling harrow frame, and re-install... -
Page 15: Leveling Bar
OPERATIONS lEVElING bAR fIG. 1-14 oM-03908 lEVElING bAR loCK-UP The leveling bar is designed to improve the soil leveling capabilities of your MAXIMUS DISK. The PoSITIoN leveling bar spring pressure can be increased, For all leveling bars, the spring adjustment to improve ground leveling (by tightening the capscrew must be backed off to the dimen- adjusting screw) or decreased, to improve trash... -
Page 16: Extended Hitch Bundle
OPERATIONS EXTENDED hITCh (bUNDlE #72427R) With blade extensions installed and when the MAXIMUS disk is working at extreme angles, the disk blades may come in contact with the tractor rear tires. If the disk must be used in this configuration, the extended hitch and mast link weldment is recommended. -
Page 17: Section Ii - Service
SECTIoN II SERVICE SToRAGE lUbRICATIoN Your implement is an important investment. Each gang bearing is equipped with a grease Spend a little time to protect it from destructive zerk. Lubricate bearings every 50 hours of use rust and corrosion. You will be repaid in longer with 1-2 pumps of EP-2 or equivalent grease. - Page 18 SERVICE TRoUblE ShooTING cont'd. PRobAblE CAUSE CoRRECTIoN PlUGGING Poor field conditions Wait until the field is dry Leveler bar working depth set too deep Raise working depth. See Field Adjustments "Lev- eler Bar" Leveler bar spring pressure set too high Decrease spring pressure.
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Page 19: Torque Chart
SERVICE ToRQUE ChART FOOT NEWTON CAPSCREWS - GRADE 5 SIZE POUNDS METERS NOTE: Grade 5 capscrews can be identified by 1/4-20 8-10 11-13 three radial dashes on head. 1/4-28 9-11 12-15 5/16-18 15-17 20-23 NOTE: Tighten U-bolts evenly and equally to 5/16-24 17-19 23-26... -
Page 20: Replacing Bearings
SERVICE REPlACING bEARINGS foR SoIl CoNDITIoNING bASKETS too tight, use a bearing puller to remove CAUTIoN! SAfETy GlASSES MUST bE WoRN WhIlE REPlACING A bEARING. the bearing. File off any burrs left on the shaft. Finish Lower the basket of the implement to the with a strip of emery cloth. -
Page 21: Section Iii - Assembly
SECTIoN III ASSEMbly ASSEMbly of MAXIMUS DISK CAUTIoN! bE SURE hoISTS, SlINGS, Remove banding and blocking material from ChAINS, jACK STANDS AND ANy oThER disk. Lift disk sub-assembly from pallet. lIfTING DEVICES USED To MoVE oR SUPPoRT Remove roll pins and center shaft (71782B) ThE IMPlEMENT ARE RATED foR A MINIMUM from disk frame. -
Page 22: Blade Extensions
ASSEMBLY Attach the mast link weldment (72426R) (ShoWN WIThoUT DISK GANGS) to the disk frame weldment (71772R) with pin (71782B), flat washer (9405-164), and spiral pins (91144-210) (Fig. 3-2). Attach the other end of the mast link weld- ment (72426R) to the 3-pt. hitch weldment (72425R) with clevis pin (9950) and lynch pin (9951) (Fig. -
Page 23: Furrowing Shank,Ground Tool And Mounting Hdw
ASSEMBLY fIG. 3-3 oM-04313 fIG. 3-4 oM-04313 ASSEMbly of oPTIoNAl ASSEMbly of oPTIoNAl fURRoWING ShANK, fURRoWING ShANK GRoUND Tool & (RIGID oR ShEAR-bolT) The shank can be placed in the center of the MoUNTING hARDWARE main frame or at the rear of the reversible (#72765b, 72766b, 72767b, 72768b, hitch. -
Page 24: Blade Scrapers
ASSEMBLY ASSEMbly of oPTIoNAl blADE SCRAPERS (bUNDlE #71801b, 72887b, 72936b) Unpack blade scrapers, separate, and identify Mount scrapers (806140B) to the angle all components according to page 32 of the (72977B or 72978B). Secure with 1/2- PARTS section. 13UNC x 1 3/4 carriage bolts (9388-105), flat washers (9405-088), lock washer (9404- CAUTIoN! USE CARE WhEN WoRKING... -
Page 25: Blade Covers
ASSEMBLY REVERSE DISKING The assembly is similar to that for "NORMAL DISKING" except the mounting bars will mount on the normal front-side of the disk gangs (Fig. 3-6 & 3-8). 10. When reverse disking, the scrapers must be installed to the front-side of the gangs for proper function. -
Page 26: Side Shield Assembly
ASSEMBLY oPTIoNAl SIDE ShIElD ASSEMbly (bUNDlE #71809b) Unpack side shield bundle, separate, and identify all components according to page 35 of the PARTS section. Side shields may be mounted in the LOW or HIGH position, depending on the orientation of the mounting bar (71808B). - Page 27 ASSEMBLY Remove locknuts (9801), capscrews (9390- WARNING! ADDITIoN of RollING hARRoW ATTAChMENT To ThE DISK 122) and washers (83284) from leveling INCREASES ThE WEIGhT AND MAy CAUSE bar(s). Position leveling bar(s) against spring ThE TRACToR To bECoME UNSTAblE. ADD arms and secure with above hardware in the bAllAST AS REQUIRED, SEE TRACToR oP- middle hole of the arms, see Fig.
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Page 28: Attachment #72589B
ASSEMBLY oVERhEAD lAyoUT 6' RollING hARRoW ATTAChMENT #72589b fIG. 3-14 oM-04313 -28- Revised 111808-2... -
Page 29: Attachment #72940B
ASSEMBLY oVERhEAD lAyoUT 7' RollING hARRoW ATTAChMENT #72940b fIG. 3-15 oM-04313 -29- Revised 111808-2... -
Page 30: Attachment #71813B
ASSEMBLY oVERhEAD lAyoUT 8' RollING hARRoW ATTAChMENT #71813b fIG. 3-16 oM-04313 -30- Revised 111808-2... -
Page 31: Attachment #72941B
ASSEMBLY oVERhEAD lAyoUT 9' RollING hARRoW ATTAChMENT #72941b fIG. 3-17 oM-04313 -31- Revised 111808-2... -
Page 32: Attachment #72942B
ASSEMBLY oVERhEAD lAyoUT 10' RollING hARRoW ATTAChMENT #72942b fIG. 3-18 oM-04313 -32- Revised 111808-2... -
Page 33: Bearing Shield Assembly
ASSEMBLY ASSEMbly of oPTIoNAl bEARING ShIElD (bUNDlE #72914b) CAUTIoN! USE CARE WhEN WoRKING Place the shield weldment (72913B) on the NEAR DISK blADES. ThE EDGES ARE nut side of the bearing with the long flange ShARP AND CAN CAUSE PERSoNAl INjURy. extending underneath the bearing. -
Page 34: Section Iv - Parts
Reflector "AMBER" Decal, WARNING 97961 (Read & Understand) 91605 Decal, FEMA 91058 Klik-Pin 1/4" Dia. x 1 3/4 900652 Decal, MAXIMUS 100 71387 Pin 1 1/8" Dia. x 11 7/8 901765 Decal, "UM" Swoosh Spiral Pin Mast Link Weldment 91144-209 72426R 3/8"... -
Page 35: Disk Gang Components
PARTS DISK GANG CoMPoNENTS oM-04313 ITEM PART No. DESCRIPTIoN ITEM PART No. DESCRIPTIoN Spindle Weldt 1 3/4" Dia. Blade-Disc 24" OD (Notched 86494B 93642 x 31 1/4" (4-Blade) Contour w/3" Concavity) 91144-210 Spiral Pin 3/8" Dia. x 2 3/4" Machinery Bushing 1 1/4 OD TA500309 x 3/4 ID x .074 Blade-Disc 24"... -
Page 36: Blade Scrapers
PARTS ACCESSoRy blADE SCRAPERS 8 8 8 ITEM PART NO. DESCRIPTION 72977B Scraper Angle (4-Blade) 72981B Scraper Mounting Bar for Left-Front & Right-Rear 72980B Scraper Mounting Bar 72979B Scraper Mounting Bar for Right-Front & Left-Rear 806140B Scraper Assembly for Left-Front & Right-Rear (Includes Items 13 & 14) 806141B Scraper Assembly for Right-Front &... -
Page 37: Blade Extension Bundles
PARTS ACCESSoRy blADE EXTENSIoN bUNDlE #72568b ITEM PART NO. DESCRIPTION 71792B Blade Axle 4" Dia. Weldment 71796B Blade Axle 3" Dia. Weldment 85643B Spacer 5 9/16" Dia. Convex Quarter Spool 85843B Collar 5 9/16" Dia. Concaved Quarter Spool 91144-210 Spiral Pin 3/8" Dia. x 2 3/4" oM-04313 9390-101 Capscrew 1/2-13 x 1 1/2"... -
Page 38: Blade Cover Bundle
PARTS ACCESSoRy blADE CoVER bUNDlE oM-04313 ITEM PART No. DESCRIPTIoN 71803B Blade Cover Plate (4-Blade) 71804B Blade Cover Plate (4-Blade) 71806B Spacer 9390-102 Capscrew 1/2-13UNC x 1 3/4 9390-104 Capscrew 1/2-13UNC x 2 1/4 9800 Locknut 1/2-13UNC 72937B Blade Cover Plate (5-Blade) 72938B Blade Cover Plate (5-Blade) Kits also available:... -
Page 39: Side Shield Bundle
PARTS ACCESSoRy SIDE ShIElD bUNDlE #71809b oM-04313 ITEM PART No. DESCRIPTIoN 71807B Side Shield 71808B Angle Bar 9388-103 Capscrew 1/2-13UNC x 1 1/4 9390-112 Capscrew 1/2-13UNC x 4 1/2 9394-010 Hex Nut 1/2-13UNC 9404-025 Lock Washer 1/2 9405-088 Flat Washer 1/2 9800 Locknut 1/2-13UNC -39-... -
Page 40: Rolling Harrow 6' Attachment #72589B
PARTS ACCESSoRy RollING hARRoW 6' ATTAChMENT #72589b oM-04313 -40-... - Page 41 PARTS ACCESSoRy RollING hARRoW 6' ATTAChMENT #72589b ITEM PART No. DESCRIPTIoN 71579B One-Bar 6' Assembly 71580B Angle 6' Drag Bar 83284B Washer 1/4 x 2 x 2 1/8 9390-122 Capscrew 5/8-11UNC x 1 1/2 (Grade 5) 9634P Spike Tooth 11" Long 9635 V-Bolt 3/8-16UNC x 2 9801...
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Page 42: Rolling Harrow 7' Attachment #72940B
PARTS ACCESSoRy RollING hARRoW 7' ATTAChMENT #72940b oM-04313 -42-... - Page 43 PARTS ACCESSoRy RollING hARRoW 7' ATTAChMENT #72940b ITEM PART No. DESCRIPTIoN 71182 One-Bar 4' Assembly 71181 One-Bar 3' Assembly 71185B Angle 4' Drag Bar 71184B Angle 3' Drag Bar 83284B Washer 1/4 x 2 x 2 1/8 9390-122 Capscrew 5/8-11UNC x 1 1/2 (Grade 5) 9634P Spike Tooth 11"...
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Page 44: Rolling Harrow 8' Attachment #71813B
PARTS ACCESSoRy RollING hARRoW 8' ATTAChMENT #71813b oM-04313 -44-... - Page 45 PARTS ACCESSoRy RollING hARRoW 8' ATTAChMENT #71813b ITEM PART No. DESCRIPTIoN 71183 One-Bar 5' Assembly 71181 One-Bar 3' Assembly 71186B Angle 5' Drag Bar 71184B Angle 3' Drag Bar 83284B Washer 1/4 x 2 x 2 1/8 9390-122 Capscrew 5/8-11UNC x 1 1/2 (Grade 5) 9634P Spike Tooth 11"...
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Page 46: Rolling Harrow 9' Attachment #72941B
PARTS ACCESSoRy RollING hARRoW 9' ATTAChMENT #72941b oM-04313 -46-... - Page 47 PARTS ACCESSoRy RollING hARRoW 9' ATTAChMENT #72941b ITEM PART No. DESCRIPTIoN 71183 One-Bar 5' Assembly 71182 One-Bar 4' Assembly 71186B Angle 5' Drag Bar 71185B Angle 4' Drag Bar 83284B Washer 1/4 x 2 x 2 1/8 9390-122 Capscrew 5/8-11UNC x 1 1/2 (Grade 5) 9634P Spike Tooth 11"...
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Page 48: Rolling Harrow 10' Attachment #72942B
PARTS ACCESSoRy RollING hARRoW 10' ATTAChMENT #72942b oM-04313 -48-... - Page 49 PARTS ACCESSoRy RollING hARRoW 10' ATTAChMENT #72942b ITEM PART No. DESCRIPTIoN 71579B One-Bar 6' Assembly 71182 One-Bar 4' Assembly 71580B Angle 6' Drag Bar 71185B Angle 4' Drag Bar 83284B Washer 1/4 x 2 x 2 1/8 9390-122 Capscrew 5/8-11UNC x 1 1/2 (Grade 5) 9634P Spike Tooth 11"...
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Page 50: Shank Option
ACCESSoRy ShANK oPTIoN -50- (May 2015) - Page 51 ACCESSoRy ShANK oPTIoNS ITEM PART NO. DESCRIPTION ITEM PART NO. DESCRIPTION Shear-Bolt Shank w/ 2" Shank w/ 2" Chisel Point 72932B 72765B Chisel Point & Hardware & Hardware Shank Assembly 72604B Shank w/50° Angle 72927B Shear-Bolt w/50° Angle Plow Bolt 1/2-13UNC 91143 72925B Shank w/50°...
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Page 52: Hitch Option
ACCESSoRy hITCh oPTIoN #72427R (Moves Disk 4" farther Rearward Away from Tractor) ITEM PART No. DESCRIPTIoN 71782B Pin 2" Dia. x 20 Long 91144-210 Spiral Pin 3/8" Dia. x 2 3/4 Long 9405-164 Flat Washer 2" 9950 Clevis Pin 1" Dia. x 5 7/16 Long 9951 Lynch Pin 7/16"... -
Page 53: Bearing Shield Kit Option
ACCESSoRy bEARING ShIElD KIT oPTIoN ITEM PART No. DESCRIPTIoN 72914B Bearing Shield Kit 72913B Bearing Shield Weldment 9390-101 Capscrew 1/2-13UNC x 1 1/2 (Grade 5) 94981 Locknut 1/2-13UNC -53-... - Page 54 Unverferth Manufacturing Company, Inc. www.unverferth.com L:\OM\OMUNVERFERTH\MAXIMUS TANDEM DISK\72573.pmd///052605-0/071007-1/111908-2/010509-3...
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