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TATU 2240 GCRO Instruction Manual

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I N S T R
I N S T R
I N S T R U C T I O N S M A N U
I N S T R
I N S T R
2240 GCRO
U C T I O N S M A N U
U C T I O N S M A N U
U C T I O N S M A N U A L
U C T I O N S M A N U
A L
A L
A L
A L

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Summary of Contents for TATU 2240 GCRO

  • Page 1 I N S T R U C T I O N S M A N U U C T I O N S M A N U A L I N S T R I N S T R U C T I O N S M A N U 2240 GCRO...
  • Page 2 INTRODUCTION INTRODUCTION INTRODUCTION INTRODUCTION INTRODUCTION The Wheel Offset Disc Harrow, model GCRO, was specially developed for large areas. It is ideal for primary tillage or leveling after that, preparing any kind of soil, with excellent application in the soil tillage for annual and perennial crops. The heavy-duty and appropriate structure dimensional, is made of bent steel plates joined by a good penetration and fine-finishing work welding process, with tough parts in the load concentrations.

  • Page 3: Table Of Contents

    T T T T T ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS ABLE OF CONTENTS TO THE OWNER ........................3 TO THE OPERATOR ......................4 to 7 TECHNICAL SPECIFICATIONS....................8 COMPONENTS ......................09 to 11 ASSEMBLY ........................

  • Page 4: To The Owner

    TO THE OWNER The acquisition of any TATU product assures to the original purchaser the following rights: - Warranty certificate; - Instructions manual; - Technical assistance by the dealer on the equipment delivery. - The owner has obligation to inspect the conditions of the product on delivery, as well as knowing the warranty terms.

  • Page 5: To The Operator

    DAY OR NIGHT. USE ACESSORY LIGHTS AND OTHER DEVICES IN ORDER TO GIVE ADEQUATE WARNING TO OPERATORS OF OTHER VEHICLES The TATU Disc Harrows are easy to operate, therefore some basic and indispensable cares are required on their handling. Have always in mind that safety requires constant attention, observation and prudence during the operation, transport, maintenance and storage of the machine.
  • Page 6 TO THE OPERATOR Never use your hands to check Never attempt to hydraulic leaks. change Escaping hydraulic adjustments, clean oil under pressure or lubricate the may have sufficient implement when in force to penetrate movement. the skin causing personal injury. Be careful with the use of fertilizer or Be careful when...
  • Page 7 TO THE OPERATOR SAFETY STICKERS WARNING TO AVOID INJURY INSTALL THE HYDRAULIC CYLINDER(S) LOCKING MECHANISM BEFORE TRANSPORTING OR SERVICING THE EQUIPMENT. 0 5 0 3 0 3 1709 DANGER In order to avoid accidents keep away from the machine when the same is folding or unfolding.
  • Page 8 TO THE OPERATOR - During the operation or transport do not allow riders on the tractor or harrow. Serious personal injuries may result from falling in the path of harrow while in operation or transport. - Never allow children playing near or over the harrow, even on operation, transportation or storing.

  • Page 9: Technical Specifications

    TECHNICAL SPECIFICA TECHNICAL SPECIFICA TIONS TIONS TECHNICAL SPECIFICA TIONS TIONS TECHNICAL SPECIFICA TECHNICAL SPECIFICA TIONS Disc Blade Spacing ................270 mm (10.5/8") Disc Blade Dimension ..........Ø 26" x 6.0 mm or Ø 28" x 7.5 mm Number of Disc Blades ..........28, 32, 36, 40, 44, 48, 52 and 56 Disc Blade Type ....................

  • Page 10: Components

    COMPONENTS COMPONENTS COMPONENTS COMPONENTS COMPONENTS (GCRO 28, 32, 36 and 40) 01 - Main Frame 02 - Front Disc Gang Carrier 03 - Rear Disc Gang Carrier 04 - Hydraulic Cylinder 05 - Stabilizer Bar 06 - Wheelwork System 07 - Hoses 08 - Hose Holder 09 - Drawbar Assembly 10 - Hitch...
  • Page 11 COMPONENTS COMPONENTS COMPONENTS COMPONENTS COMPONENTS (GCRO 44 and 48) 01 - Main Frame 02 - Front Disc Gang Carrier 03 - Rear Disc Gang Carrier 04 - Hydraulic Cylinder 05 - Stabilizer Bar 06 - Wheelwork System 07 - Hoses 08 - Hose Holder 09 - Drawbar Assembly 10 - Hitch...
  • Page 12 COMPONENTS COMPONENTS COMPONENTS COMPONENTS COMPONENTS (GCRO 52 and 56) 01 - Main Frame 02 - Foldable Front Disc Gang Carrier 03 - Foldable Rear Disc Gang Carrier 04 - Hydraulic Cylinder 05 - Stabilizer Bar 06 - Wheelwork System 07 - Hoses 08 - Hose Holder 09 - Drawbar Assembly 10 - Hitch...

  • Page 13: Mounting The Disc Gangs

    ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL ASSEMBL Initially choose a flat and clean place. Separate the parts in groups to make it easy to pick them up and check the quantities against the packing list. How to use the Wrenches Wrenches (A) are used to tighten nuts of the disc gangs, one to hold the axle nut in one side, while tighten the other onto the opposite side, avoid the axle to turn around.
  • Page 14 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Spacer Bearing GCRO 28 Discs = 08 bearing + 16 spacers...
  • Page 15 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Spacer Bearing GCRO 32 Discs = 12 bearings + 14 spacers...
  • Page 16 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Spacer Bearing GCRO 36 Discs = 12 bearings + 18 spacers...
  • Page 17 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Spacer Bearing GCRO 40 Discs = 12 bearings + 22 spacers...
  • Page 18 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Bearing Spacer GCRO 44 Discs = 16 bearings + 20 spacers...
  • Page 19 ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Bearing Spacer GCRO 48 Discs = 16 bearings + 24 spacers...
  • Page 20 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Bearing Spacer GCRO 52 Discs = 16 bearings + 28 spacers...
  • Page 21 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Scheme to assemble bearings and spacers. Bearing Spacer GCRO 56 Discs = 16 bearings + 32 spacers...
  • Page 22 ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL ASSEMBL Mounting the Disc Gangs - Place the outer lock (A) to the axle (B). - Screw the nut (C) until passing 5 mm of the axle extremity. - Install the discs (D), bearings (E) and the spacers (F), as shown on the previous schemes.
  • Page 23 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL...

  • Page 24: Mounting The Disc Gangs On The Carriers

    ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Mounting the Disc Gangs on the Carriers Important: THE REAR GANG TURNS DIRT TO THE LEFT AND THE FRONT GANG TURNS DIRT TO THE RIGHT. (SEE ILLUSTRATIONS ON PAGES 13 TO 20). In the gang assembly to carriers, the standards should remain facing the disc blades concavity.

  • Page 25: Mounting The Scrapers

    ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Mounting the Scrapers Observe the scrapers positioning with the downwardly extremity facing to the disc blades concavity. Set up the scrapers (C), through the bolts (D), and flat washers, that are placed underneath the mounting plate.

  • Page 26: Mounting The Gang Carriers At The Main Frame

    ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL ASSEMBL Mounting the Gang Carriers at the Main Frame Install both gang carriers (front and rear) in the main frame (E), using bolts (F), pressure washers and nuts. Note: - THE ADJUSTMENT TO OPEN THE GANGS IS SHOWN THROUGH THE FIXING HOLES ON PAGE 37.
  • Page 27 ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL ASSEMBL Mounting the Wheels Mount the hubs (H) in the Wheel Arm (I), soon after the tires (J) in the hubs (H) using the nuts that are in the same ones. Mounting the Lateral Sliding Turnbuckle Mount the lateral sliding turnbuckle in the following way: Use the pins (K) going by the hole in the support of the gang carriers and with...

  • Page 28: Adjusting The Bearings To Wheel Assemblies

    ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Adjusting the Bearings to Wheel Assemblies The Wheel Type Offset Disk Harrow model GCRO possesses adjustments on wheel assembly bearings through slots (M). These adjustments are used for centralizing the wheel assemblies with the harrow main frame and to eliminate lateral gaps among the carrying axle and the bearings.

  • Page 29: Mounting The Drawbar Assembly

    ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Mounting the Drawbar Assembly Install the offset bar (N) in the frame (O), using the bolts (P), and slotted nuts. Install the drawbar (Q) using bolts and nuts. Install the stabilizer for drawbar (R) in the offset bar (N) and in the drawbar (Q). Mounting the Hose Holder and Drawbar Jack Install the hose holder (S) and the drawbar jack (T).
  • Page 30 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Mounting the Leveling Control Assembly - Place the flatwasher (A) in the crank (B). - Place the spring (C), soon after place the other flatwasher (D). - Place the guide of the crank (E) in the bell crank (F), that should already be set up in the harrow.

  • Page 31: Mounting The Foldable Gang Carriers

    ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Mounting the Foldable Gang Carriers - Mount the central gang carriers (front and rear) to the main frame. - Mount the foldable gang carriers to the central gang carriers through the pins (A). - Mount the pivot locking claws (B) through the pins (C).
  • Page 32 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Mounting the Tee Adapters and the Hydraulic System In the 28 to 48-discs GCRO models, fasten the oil tee adapters in the main frame according to the illustration. Note: WHEN THE HARROW IS EQUIPPED WITH OPTIONAL REAR HITCH, THE COMPLETE OIL DISTRIBUTOR, PART NO.
  • Page 33 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL...

  • Page 34: Proceeding The Sequence Valve Adjustment

    ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL Proceeding the Sequence Valve Adjustment 1) Loosen the allen central screw (A), in order to avoid the valve truncating during the pressure adjustment, because this is the screw that controls the cylinder performance and that allows the flow control.
  • Page 35 ASSEMBL ASSEMBL ASSEMBL Y Y Y Y Y ASSEMBL ASSEMBL...
  • Page 36 PREP PREP ARA PREP ARA TION TO OPERA TION TO OPERA TION TO OPERA TE TION TO OPERA PREP PREP TION TO OPERA The instructions ahead should be carefuly observed to obtain the best performance at work. Preparing the Tractor The addition of water ballasts in the tires and extra counterweights in the front or at rear tractor wheels, it's the most useful way to increase the traction in the soil and to get larger stability to the tractor.

  • Page 37: Important Recommendations

    PREP PREP TION TO OPERA TION TO OPERA PREP PREP ARA PREP ARA TION TO OPERA TION TO OPERA TION TO OPERA TE Important Recommendations - In order to adjust the turnbuckle is necessary to raise the harrow totally, observing the leveling of the same, make the correct adjustment and soon after fasten the locknuts of the turnbuckle (A).

  • Page 38: Depth Of Cut - Disc Gang Angle

    ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS ADJUSTMENTS AND OPERA TIONS TIONS TIONS ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS Depth of Cut - Disc Gang Angle - The depth cut can be adjusted basically in two ways: 1st) Adjusting the working angle between the disc gang carriers. 2nd) Working the hydraulic cylinder so that the tires actuate as depth control.
  • Page 39 ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS TIONS ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS TIONS TIONS Depth of Cut - Cylinder Stops For the depth control through the tires, use the stops (A) that are placed in the rods of the cylinders (B) and they work as stroke control, being reached several adjustments to the discs depth cut.

  • Page 40: Adjusting The Stabilizer Mechanism

    ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS TIONS ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS ADJUSTMENTS AND OPERA TIONS TIONS Adjusting the Stabilizer Mechanism With the harrow hitched to the tractor, place it in transport position (Raised). Adjust the crank (A) by the nut (B) until that the bell crank (C) is placed against the stop plates (D).

  • Page 41: How To Start Harrowing

    ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS ADJUSTMENTS AND OPERA TIONS TIONS TIONS ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS How to Start Harrowing Regardless the area size and boundary, the harrowing must be basically done in the following manners: From outside to inside or from inside to outside. Entrance Entrance Harrowing in Squares...

  • Page 42: Maneuver Directions

    ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS TIONS ADJUSTMENTS AND OPERA TIONS TIONS ADJUSTMENTS AND OPERA ADJUSTMENTS AND OPERA TIONS Maneuver Directions The model GCRO, as described in the adjustments, it supply several working angles; to operate appropriately in all kind of soils. However the harrow require certain cares during the operations, such as never make maneuvers to the right, because the angle formed by the disc gangs, transmits great effort to the implement, overloading mainly the pulling components, that is, offset bar, drawbar and other...

  • Page 43: Operations - Important Points

    - Relieve the control valve pressure before disconnecting the quick couplers and when doing any verification in the hydraulic cylinder. - As previously mentioned, the TATU disc harrow GCRO model possess several adjustments, even so, only the local conditions can determine their best final...

  • Page 44: Optionals

    OPTIONALS OPTIONALS OPTIONALS OPTIONALS OPTIONALS Rear Hitch Optionally Marchesan offers the rear hitch with hydraulic outlet that serves on coupling other implement to the harrow. Rear Hitch...

  • Page 45: Maintenance

    MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE Lubrication The simplest way to lengthen the useful life of your harrow and to avoid working interruptions is to perform a correct lubrication scheme, as we describe below. 1) At every 24 hours of service, lubricate the articulations through the grease fittings, in the following way: - Be sure about the lubricant quality, with relation to its efficiency and purity, avoiding the use of products contaminated by water, earth, etc...
  • Page 46 MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE MAINTENANCE Lubricate Every 24 Hours of Service...

  • Page 47: Disc Harrow Maintenance

    - Inspect all movable parts and if any of them is spoiled, replace by new parts available at your TATU dealer. Note: USE ONLY ORIGINAL TATU PARTS.
  • Page 48 IMPOR IMPOR T T T T T ANT DA IMPOR ANT DA ANT DA ANT DA T T T T T AS IMPOR IMPOR ANT DA How to Calculate Theoretical Performance Per Hour of the Harrow Use the formula below for performance calculation per hour of the GCRO Wheel Offset Disc Harrow.
  • Page 49 IMPOR IMPOR T T T T T ANT DA IMPOR ANT DA ANT DA ANT DA T T T T T AS IMPOR IMPOR ANT DA Theoretical Average Performance Table No. of Working Performance per Hour Performance per Day (09 h) Model Discs Width (m)
  • Page 50 Supervision : Marcelo Baratella January, 2005 Code: 0501090708 Revision: 01 MARCHESAN IMPLEMENTOS E MÁQUINAS AGRÍCOLAS TATU S.A. Av. Marchesan, 1979 - P.O. Box, 131 - 15994-900 - MATÃO - SP - BRASIL - Tel: (55-16) 3382-8282 Fax: (55-16) 3382-1003 / (55-16) 3382-1009 e.mail:tatu@marchesan.com.br...
  • Page 51 NOTES NOTES NOTES NOTES NOTES...

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