Tatu Marchesan GAPCR Operator's Manual
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Tatu Marchesan GAPCR Operator's Manual

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  • Page 1 GAPCR GAPCR GASPCR GASPCR OPERATOR’S MANUAL...
  • Page 2 IDENTIFICATION Dealer: Owner: Firm / Farm: City: State: No. of the Certificate of Guarantee: Serial / No.: Date: Invoice No.: Product: Notes:...
  • Page 3 Introduction GAPCR and GASPCR disk harrows are designed to work in any kind of soil with excellent application, mainly in newly cleared areas, in the heavy sugar cane renewal, pasture recovery, construction of highways or in the simple primary soil tillage for annual and perennial crops, disaggregating and incorporating stubbles to greater depths.

  • Page 4: Table Of Contents

    Traction set assembly Wheelset cylinder assembly Hydraulic circuit (GAPCR 10 - 16 / GASPCR 10 disc blades) Hydraulic circuit (GAPCR 18 - 30 / GASPCR 12 - 22 disc blades) 6. Set-up instructions 32 to 34 Preparing the tractor & disk harrow / Hitching to the tractor 32 &...

  • Page 5: To The Owner

    Marchesan S/A. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 6: To The Operator

    Read and understand the information before making any adjustment or maintenance. Have extreme caution when operating with the power take-off (PTO). Do not get closer during operation. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 7 For your protection and safety, always wear adequate clothes and footwear while operating the equipment. Always use the safety locks to carry out any maintenance or to transport the equipment. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 8 • If there is any doubt after reading it, ask your dealer. For more complicated operations, there will be the right person to help you there. • Please check the general safety instructions on the back cover of this manual. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 9 • Check all laws and regulations regarding the height limits and load width while transporting the equipment on truck or trailer. If necessary use banners, lights and other devices in order to give adequate warning to the other drivers. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 10 GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 11 Use chains of at least 3 meters long to lift the equipment safely. Use the adequate points for lifting and be sure that the equipment is safe. Avoid accidents. Always keep a safe distance from the equipment. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 12 Para evitar accidentes, instale las trabas de los cilindros antes del transporte o antes de efectuar trabajos en el equipo. 05.03.03.1738 GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 13 Para evitar accidentes, instale las trabas de los cilindros antes del transporte o antes de efectuar trabajos en el equipo. 05.03.03.1738 Decal set Qty. Model Serial number GAPCR decal set 05.03.06.0788 GASPCR decal set 05.03.06.0832 05.03.03.4078 Lifting points decal Warning decal 05.03.03.1738 Read the manual decal 05.03.03.1428...

  • Page 14: Data Sheet

    Data sheet Type: ................Wheel Type Offset Disk Harrow Model: ........................ GAPCR Number of disc blades: ........... 10, 12, 14, 16, 18, 20, 24, 28 and 30 Spacing between disc blades: ................340 mm Disc blades dimension: ......Ø 28" x 7.5 mm, Ø 28" x 9 mm, Ø 30" x 7.5 mm ......Ø...
  • Page 15 3520 5700 260 - 270 4000 5774 270 - 280 4440 6030 290 - 300 NOTE • The weights above were quoted using Ø 34' x 12 mm disc blades. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 16 Data sheet Dimensions for transportation and storage - GAPCR Number of Model disc blades 1460 1630 4740 1620 1460 1630 5100 2030 1460 1630 5470 2440 1460 1630 5830 2850 GAPCR 1460 1630 6200 3260 1460 1630 6560 3670 1460...
  • Page 17 2320 1460 1760 7360 2720 1460 1760 7450 3120 GASPCR 1460 1760 7540 3520 1460 1760 7630 3920 1460 1760 7720 4320 1460 1760 7800 4720 NOTE Measures in millimeters. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 18: Components

    Components GAPCR 10 - 16 disc blades / GASPCR 10 disc blades 01 - Frame 07 - Front disc carrier 02 - Drawbar 08 - Rear disc carrier 03 - Stabilizer bar 09 - Front disc gang 04 - Wheelset articulation system...
  • Page 19 Components GAPCR 18 - 30 disc blades 01 - Frame 07 - Front disc carrier 02 - Drawbar 08 - Rear disc carrier 03 - Stabilizer bar 09 - Front disc gang 04 - Wheelset articulation system 10 - Rear disc gang...
  • Page 20 03 - Stabilizer bar 09 - Front disc gang 04 - Wheelset articulation system 10 - Rear disc gang 05 - Tires 11 - Parking jack 06 - Hose support GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 21: Assembly

    The box end wrench (B) is used to tighten the nuts that hold the bolts on the bearings from the GAPCR model (10 - 16 disc blades); the same wrench (B) is used to tighten the nuts on the wheelset posts from GAPCR (18 - 30 disc blades) and GASPCR (10 - 22 disc blades) models.

  • Page 22: Assembly Of Bearings And Spacer Spools

    Assembly of bearings and spacer spools Before starting to assemble the disc gangs, check the correct position of the bearings and spacer spools, according to the following pages. GAPCR / GASPCR GAPCR / GASPCR GAPCR / GASPCR GAPCR / GASPCR...
  • Page 23 Assembly Assembly of bearings and spacer spools GAPCR / GASPCR GAPCR / GASPCR GASPCR GASPCR 18 disc blades 18 disc blades 16 disc blades 16 disc blades 06 spacer spools 06 spacer spools 04 spacer spools 04 spacer spools 08 bearings...
  • Page 24 04 axles GAPCR GAPCR 30 disc blades 30 disc blades 12 spacer spools 12 spacer spools 12 bearings 12 bearings 06 axles 06 axles Spacer spool Spacer spool Bearing Bearing GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 25: Disc Gangs Assembly Sequence

    IMPORTANT Check the correct side of the bearings and spacer spools according to the concavity of the disc blades. Grease fitting Grease fitting or plug or plug GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 26 If the disc blade has less than 8 mm of thickness, always use the flange 2.1/8" 3300 (J) on the bearing side to get a proper tightening of the nut (C) on the axles. 2.1/2" 3500 GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 27: Assembly Of The Disc Gangs On The Frame

    On top, place spring washers and nuts. The scrapers feature an adjustment to approach or distance them from the NOTE disc blades, on a range from 5 to 10 mm. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 28 Tires assembly Assemble the tires (A) to the hubs (B) using nuts (C). GASPCR 10 - 22 GASPCR 10 - 22 GAPCR 10 - 30 GAPCR 10 - 30 GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 29: Wheelset Bearings Adjustment

    Note that the tires or the supporting posts must have the same distance in relation to the frame. The wheelset axle (C) should be without inner gaps against the bearings. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 30: Traction Set Assembly

    (E), castle nut and cotter pin. Assemble the stabilizer bar support (F) to the upper plate (B) using junction axle (G) and cotter pin. Assemble the hose support (H) using nuts and washers. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 31: Wheelset Cylinder Assembly

    Give a 180° turn on the cylinder barrel to let the ports (A) facing up and the cylinder rod must be pointing to the wheelset (D) direction, as shown on the illustration. NOTE Always use thread sealing tape to couple the male quick couplers to the hoses. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 32: Hydraulic Circuit (Gapcr 10 - 16 / Gaspcr 10 Disc Blades)

    Assembly Hydraulic circuit (GAPCR 10 - 16 / GASPCR 10) Assemble the hoses to the hydraulic cylinders with enough tightening and being sure that the ports will not touch the soil. Item Description Quantity Hydraulic cylinder 3/8 X 7000 TC-TM hose...
  • Page 33 Assembly Hydraulic circuit (GAPCR 18 - 30 / GASPCR 12 - 22) Item Description Quantity Hydraulic cylinder Pressure 3/8 X 450 TR -TC hose Return 3/8 X 700 TR -TC hose 3/8 X 8000 TC - TM hose Pressure 3/8 X 8200 TC -TM hose...

  • Page 34: Set-Up Instructions

    Lock the chain (E) to the equipment and to the tractor to assure that they will not get loose, leaving a small clearance that allow that the disk harrow can perform maneuvers. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 35 Relieve the pin by activating the control valve to lower the tires. Maintain the drawbar loose to transport the equipment. Never remove the hoses before lowering the disk harrow and without relieving the control valve pressure. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 36: Important Recommendations

    NOTE The cylinder must remain as shown in the figure above, being its rod facing the disk harrow front part. When using a tractor with a different drawbar height, redo these adjustments. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 37: Adjustments And Operations

    The harrowed ground is always on the left hand side of the operator (harrow closed side). Try to make a good finish between the passes. Avoid the formation of furrows or untilled bands. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 38: Tractor Position Related To The Previous Pass - Lateral Displacement

    Normal position (Centralized): Used on most situations. Position #1: Allows the tractor to get closer to the previous furrow. Position #2: Allows the tractor to move away from the previous furrow. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 39: Drawbar Angles

    The drawbars from the tractor and equipment must be as aligned as possible regarding the working direction. The tractor drawbar must remain loose during working and transportation. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 40: Ways To Start The Harrowing

    Harrowing in level Note that the harrowed soil is always on the left hand side of the IMPORTANT operator. Being the disc gangs lowered, only maneuver to the left hand side. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 41: Correct Way For Harrowing

    Whenever possible, the tractor must pass over the unworked soil and near the previous furrow. Correct Correct IMPORTANT Never let the tires pass over the area that was already harrowed. Wrong Wrong GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 42: Direction Of The Maneuvers

    It is necessary to perform the maneuvers to the left hand side to avoid ATTENTION overloading the equipment and allow it to operate normally. Following these instructions also avoids the undesirable formation of large furrows in the local maneuvers. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 43: Troubleshooting Guide

    L o c k e d d i s c gangs. Deep penetration on wet Lift the disc blade to reduce the penetration. soil. Worn out / incorrectly Adjust or change the scrapers when adjusted scrapers. necessary. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 44 Normal pressure 180 Kgf/cm Insufficient tightening. Retighten carefully. Quick couplers Lack of sealing material on the Use thread sealing tape and retighten leaking. thread. carefully. Damaged repairings. Replace the repairings. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 45: Operations - Important Points

    Use a cardboard or any other suitable object. • As previously mentioned, this disk harrow has several settings. However, only the local conditions can determine its best adjustment. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 46: Maintenance

    NOTE The suitable level is when the oil reaches the hole of the plug, being the disk harrow in a flat place. The oil volume on the DM bearings is 600 ml (GAPCR). The grease volume on the CM bearings is 800 g (GAPCR).

  • Page 47: Lubrication / Lubrication Points

    Maintenance Lubrication points Lubricate every 24 working hours. ATTENTION Lubricate the points shown above and all grease fittings as well. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 48: Wheelset Hubs Lubrication

    Whenever the retainer is damaged, replace it immediately. Do not forget to apply the specific grease for this equipment, that is a lithium soap grease, grade NLGI 2 with Extreme Pressure additive, anticorrosive and antioxidant. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 49: Hydraulic Cylinder Maintenance / Assembly

    7) Inspect the inside of the cylinder barrel, piston, rod and other polished parts for burrs and scratches. Smooth areas as needed with an emery cloth. NOTE Do not clamp rod by chrome surface. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 50 Insert the gland (E) on the cylinder head and align it with the tube so IMPORTANT it will fit correctly on the cylinder barrel. NOTE Do not clamp rod by chrome surface. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 51: Hydraulic Safety

    Carry out the operations on a carefully and controlled manner. Avoid to let the hydraulic system working when it is not being used. Failure to follow these procedures may lead to fatal accidents or even death. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 52: Disk Harrow Maintenance

    The operator also have to know the need to follow the instructions, as the lack of safety may increase the risk of accidents. NOTE Use TATU original parts only. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 53: Tires Inflation

    NOTE For the cases when the maximum pressure is not specified on the tires, consult the tire manufacturer and adopt the pressure indicated by them. GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 54: Important Data

    L = Harrow cutting width (meters); V = Average speed of the tractor (meters per hour); E = Efficiency: 0.90; X = Hectare value = 10,000 m Example with a GAPCR (16 disc blades): R = ? L = 2.55 m V = 6,000 m/h E = 0.90...
  • Page 55 To know how many hours will be spent to work in a certain previously known area, it is necessary to divide the value of the area by the hourly income. Example: An area of 50 hectares to be worked with a GAPCR that has 16 disc blades (Hourly income = 2.55 Ha).

  • Page 56: Torque Table

    No Marks. 3 Marks. 6 Marks. For metric conversion: NOTE • Multiply inch-pounds by .113 to convert to newton-meters (Nm). • Multiply foot-pounds by 1.356 to convert to newton-meters (Nm). GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

  • Page 57: Important

    Serial number.: 05.01.09.0665 Revision: 05 MARCHESAN IMPLEMENTOS E MÁQUINAS AGRÍCOLAS "TATU" S.A. Marchesan Av., 1979 - P.O. Box 131 - Zip Code 15994-900 - Matão - SP - Brazil Telephone 55.16.3382.8282 www.marchesan.com.br GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 58 Notes GAPCR / GASPCR Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.
  • Page 60 www.marchesan.com.br...

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