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10

Marchesan Implementos e Máquinas Agrícolas “TATU” S.A.

GCRO 7010 / GCRO 7012

Technical specification

GCRO 7010

Models

Nº of disc 

blades

Cutting width 

(mm)

Net weigth 

(kg)

Power (hp)

the tractor engine

GCRO 7010

Rigid

28

3.680

4.930

180 - 200

32

4.190

5.230

200 - 220

36

4.700

5.514

220 - 240

40

5.205

5.704

240 - 260

44

5.715

6.071

260 - 280

48

6.220

6.273

280 - 300

GCRO 7010

folding tips

48

6.220

6.630

280 - 300

52

6.730

7.327

300 - 320

56

7.240

7.573

320 - 330

60

7.772

7.799

330 - 350

GCRO 7010

QL

72

9.540

13.812

370 - 390

76

10.065

13.888

390 - 410

80

10.445

14.159

410 - 430

The weights above are obtained with discs Ø 26 "x 6.0 mm.

NOTE

Model ........................................................................................................

 GCRO 7010

Spacing (mm) ..........................................................................................................270 
Dimension of the discs  ...........................................................................Ø 26" x 6,0 mm
  

 ...........................................................................Ø 28" x 7,5 mm

  

 ...........................................................................Ø 30" x 7,5 mm

Disc blade type - Front  section ........................................................ Truncated concave
 

Rear section ............................................................  Smooth concave

Bearing - Length    

 ................................................................................... 262 mm

 Type 

 ............................................ Tapered roller bearings in oil bath

Separators - Length 

 ............................................................................  262 mm

 Type....... ....................................................................... .......Casting
Axle diameter .................................................................................  Ø 41,3 mm (1.5/8")
Type of hitch .................................................................................................... Drawbar
Tires .............................................................................................400/60 - 14 L (52 psi)
Working speed  .......................................................................................5,0 to 7,0 km/h

Summary of Contents for GCRO 7010

Page 1: ...INSTRUCTIONS MANUAL GCRO 7010 GCRO 7012...

Page 2: ...Dealer Owner Firm Farm City State No of the Certificate of Guarantee Serial No Date Invoice No Product Notes IDENTIFICATION...

Page 3: ...concentrations Have efficient Shooting system with hydraulic drive for depth control and safe transport over long distances this system also streamlines Shooting maneuvers during service This instruc...

Page 4: ...mbly of support of folding discs 25 Hydraulic circuit 26 Assembly of safety valve 27 6 Preparation for work 28 e 29 Preparation of the tractor Preparation of the harrow Hitch to the tractor 28 Importa...

Page 5: ...erstand this instructions for adjusting and operating the equipment as reported in this manual Check each item referred to obtain an efficient operation and maximum trouble free performance Remember a...

Page 6: ...Dear User Respect the ecology Don t throw trash away This gesture of goodwill helps to protect our environment Products such as oil fuel filters batteries and the like is spilled to the ground can pe...

Page 7: ...als These products in any contact with skin can be cause any serious injury to the body Keep the entrances and work places clean and safe from oil grease Risk of accidents Never transport the equipmen...

Page 8: ...from the body which may become entangled in moving parts Never operate the equipment without its proper protective devices Be careful while hitching the disc plow to the tractor When putting the blade...

Page 9: ...rly Chock the equipment wheels Utilize amarras cabos correntes cordas etc em quantidade suficiente para imobilizar o equipamento durante o transporte After 8 to 10 km transporting please inspect the c...

Page 10: ...illegible must be replaced The Marchesan provides adhesives upon request and stating their codes To the operator 0503031428 Leia o manual antes de iniciar o uso do equipamento Read the manual before...

Page 11: ...I C AT E A N D T I G H T E N DA I LY 0503031827 WARNING IN ORDER TO AVOID ACCIDENTS ACTIVATE CYLINDER LOCKS BEFORE TRANSPORTATION OR BEFORE CARRYING OUT ANY SERVICES ON THE EQUIPMENT 05 03 03 4066 Mo...

Page 12: ...0 52 6 730 7 327 300 320 56 7 240 7 573 320 330 60 7 772 7 799 330 350 GCRO 7010 QL 72 9 540 13 812 370 390 76 10 065 13 888 390 410 80 10 445 14 159 410 430 The weights above are obtained with discs...

Page 13: ...370 54 7 635 8 866 380 400 56 7 940 9 282 450 500 The weights above are obtained with discs 32 x 7 5 mm NOTE Model GCRO 7012 Spacing mm 300 Dimension of the discs 30 x 7 5 mm 32 x 7 5 mm Disc blade ty...

Page 14: ...1 04 09 05 10 03 04 11 02 07 12 06 08 Components 01 Chassis 07 Drawbar Assembly 02 Front Disc Gang Carrier 08 Hitch 03 Rear Disc Gang Carrier 09 Transport Safety Lock 04 Folding Wings Hydraulic Cylind...

Page 15: ...the assembly of the disc sections check the correct position of bearings and spacers according to the illustrations on the following pages Use the wrenches A to tightening the nuts of the disc section...

Page 16: ...GCRO 7010 and 7012 28 discs 08 bearings 16 spacers GCRO 7010 and 7012 32 discs 12 bearings 14 spacers GCRO 7010 and 7012 36 discs 12 bearings 18 spacers GCRO 7010 40 discs 12 bearings 22 spacers GCRO...

Page 17: ...Assembly of bearings and separators GCRO 7010 48 discs 16 bearings 24 spacers GCRO 7012 50 discs 16 bearings 26 spacers GCRO 7010 52 discs 16 bearings 28 spacers GCRO 7012 54 discs 16 bearings 30 spac...

Page 18: ...ntos e M quinas Agr colas TATU S A GCRO 7010 GCRO 7012 Assembly Assembly of bearings and separators GCRO 7010 56 discs 16 bearings 36 spacers GCRO 7010 60 discs 16 bearing 40 spacers Bearing Spacer Fu...

Page 19: ...las TATU S A GCRO 7010 GCRO 7012 Assembly Assembly of bearings and separators Bearing GCRO 7010 72 discs 24 bearings 32 spacers GCRO 7010 80 discs 24 bearings 36 spacers Spacer Furrow filler optional...

Page 20: ...e of the keys on the outside of the sections locked side leaving support on the ground as shown on page 19 2 On the domestic side use the other key and make grip sections to get the maximum torque 3 N...

Page 21: ...M quinas Agr colas TATU S A GCRO 7010 GCRO 7012 To consult torque table in the page 42 OBS Assembly C I A H B D F E I 1 H 1 G C 1 D D Torque of the Axis Diameter of the axis Ft lbs 1 1 2 1600 1 5 8 1...

Page 22: ...rth to the right the rear section falls to the left In fixing of sections shoes must remain focused on hollow of discs Procedure In the figure we see the assembly sequence with Placement of Screw A wi...

Page 23: ...f the cleaners to the end facing the concave side of the discs Mount the wipers A by bolts B which are placed underneath the holding plate On top place the flat washers C and nuts D The cleaners allow...

Page 24: ...ach the chassis door discs front and rear under A using the screws B and square washer placing them from the bottom up and then secure with flat washer lock washer and nuts In the GCRO 7010 model 48 d...

Page 25: ...k washer and nut Then secure the wheel D on the hub A securing with screws E and nuts C E B D A Assembly of stabilizer The GCRO allows a side slip of door chassis rear discs 150 mm The adjustment is d...

Page 26: ...plate C and lower D observing carefully the correct position thereof Avoid that they are reversed Mount the drawbar E Note that all nuts castle are on top of the plates locked and with cotter Mount th...

Page 27: ...ure the pin B in the central chassis and fix on pin the arm bracket C via pin D and cotter Also put the pin E and roll pins to secure the folding chassis Write the arm assembly F on the bracket with t...

Page 28: ...04 03 OFS 1 2 x 600 TR TC hose 02 04 OFS 1 2 x 650 TR TM hose 02 05 OFS 1 2 x 1330 TC TR hose 02 06 OFS 1 2 x 1630 TC TC hose 02 07 OFS 1 2 x 2850 TC TC hose 04 08 OFS 1 2 x 3450 TC TC hose 04 09 OFS...

Page 29: ...revent accidental release of the disk folding door since it controls independently the flow of oil to the cylinders of the disk folding door The safety valve has two operative positions which are acqu...

Page 30: ...he discs sections that if they work loose damage the shafts and other components Check the tire pressure and must maintain the same pressure on both Lubricate all grease fittings appropriately See lub...

Page 31: ...pressure of command Before starting the service check the condition of all parts retightening nuts and bolts especially the discs sections if they work loose damage shafts and other fasteners Lubricat...

Page 32: ...In light and loose soils should work with smaller opening angle This adjustment is made by changing the setting of the chassis door drives in the main frame Adjustments and operations Depth of cut To...

Page 33: ...itions the drawbar should remain centralized as much as possible with the wheel sets We recommend control the depth by the opening of the sections and use the tires just where the grid penetrate exces...

Page 34: ...ing is made basically in two ways from the outside in or the inside out IMPORTANT Note that the ground grillage should always stay left to the operator With the sections of lowered discs do maneuvers...

Page 35: ...never make maneuvers to right because the angle formed by the structure V starts to receive great effort on their vertex that transmits great effort to the equipment overloading especially components...

Page 36: ...rvice efficiency and avoid possible damage to equipment When performing maneuvers on the headland operate before the hydraulic cylinder gradually raising the disc sections The grillage ground is alway...

Page 37: ...tos e M quinas Agr colas TATU S A GCRO 7010 GCRO 7012 Optional Optionally the Marchesan provides the rear hitch A assembled with hydraulic outlets B to allow mount another implement or accessory in th...

Page 38: ...rticulations Clean the grease fittings with a cloth before insert lubricant and replace the damaged ones Introduce an enough amount of new grease Use medium consistency grease 2 The lubrication of rol...

Page 39: ...37 Marchesan Implementos e M quinas Agr colas TATU S A GCRO 7010 GCRO 7012 Lubrication points Lubricate every 24 hours of work Maintenance...

Page 40: ...cement thereof Maintenance of the harrow Maintenance precautions OBS Use TATU original parts only Caution Hydraulic oil leakage may be strong enough to penetrate the skin and cause serious insjuries t...

Page 41: ...S A GCRO 7010 GCRO 7012 The grids GCRO 7010 and 7012 have adequate lifting points two points located on the chassis front and two rear Upon lifting winch is essential the hitch the cable at suitable...

Page 42: ...hourly income can vary by physical factors such as humidity slope soil hardness appropriate adjustments and especially the working speed OBS To calculate the hourly income use the following formula A...

Page 43: ...30 44 5 715 3 09 27 77 48 6 220 3 36 30 23 52 6 730 3 63 32 71 56 7 240 3 91 35 19 60 7 772 4 20 37 77 Example An area of 65 hectares to be worked with a harrow GCRO 7010 model 32 discs income per hou...

Page 44: ...30 Ft Lbs 145 Ft Lbs 200 Ft Lbs 220 Ft Lbs 280 Ft Lbs 315 Ft Lbs 7 8 125 Ft Lbs 140 Ft Lbs 320 Ft Lbs 350 Ft Lbs 450 Ft Lbs 500 Ft Lbs 1 190 Ft Lbs 205 Ft Lbs 480 Ft Lbs 530 Ft Lbs 675 Ft Lbs 750 Ft L...

Page 45: ...to allow a better view and detailed instructions Never operate the equipment with these safety devices removed SECTOR OF TECHNICAL PUBLICATIONS Preparation Diagramming Valson Hernani de Souza Assist d...

Page 46: ...44 Marchesan Implementos e M quinas Agr colas TATU S A GCRO 7010 GCRO 7012 Note...

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