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

GCRO 7010 / 7012

Assembly

Disc gang carrier assembly to the frame

Fasten the front and rear disc gang carriers to the frame (A) using bolts (B) and square 

washer, placing these parts from the bottom to top. Right after, lock using flat washer (C), 

spring washer and nuts.

A

A

B

B

C

C

Summary of Contents for GCRO 7010

Page 1: ...OPERATOR S 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: ...disk harrows feature an efficient wheelset system with hydraulic activation to control the depth and for a safe transportation over long distances This wheelset system also streamlines the maneuvers d...

Page 4: ...ly 48 49 Lateral frames assembly 50 Hydraulic circuit 51 to 58 6 Set up instructions 59 60 Preparing the tractor Preparing the disk harrow Hitching to the tractor 59 Important recommendations 60 7 Adj...

Page 5: ...maintenance staff Only people who own a full knowledge of the tractor and equipment must operate them Marchesan is not responsible for any damage caused by accident on transporting maintenance incorre...

Page 6: ...nd 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 Products such as oil fuel filters batt...

Page 7: ...with your skin or clothes Keep access and work places clean and free from oil and grease Risk of accidents Never transport the equipment on highways or paved roads Avoid that the tractor wheels touch...

Page 8: ...lubricate the equipment while it is moving In case of emergency know how to stop the tractor and equipment quickly Always shut down the engine remove the key and use the handbrake before leaving the...

Page 9: ...accidents Use chock blocks and safety chains to secure the equipment to the truck or trailer during the transport Make sure the SMV Slow Moving Vehicle sign and all the lights and reflectors that are...

Page 10: ...he manual before attempting to work with the equipment Lea el manual antes de iniciar el uso del equipo P P E E R R I I G G O O D D A A N N G G E E R R P P E E L L I I G G R R O O P a r a e v i t a r...

Page 11: ...an make the equipment to fall down quickly Para evitar accidentes quede lejos del equipo cuando el mismo est articulando o desarticulando Fallas mec nicas o hidr ulicas pueden hacer con que el equipo...

Page 12: ...320 340 56 7 240 8 405 340 360 60 7 772 9 420 360 380 GCRO 7010 Lateral frames 72 9 540 14 120 420 450 76 10 065 14 325 450 480 80 10 445 14 755 480 510 The weights above were obtained using 28 x 7 5...

Page 13: ...GCRO 7012 Folding wings 50 7 080 9 430 420 450 52 7 380 9 695 450 480 56 7 940 10 020 480 510 NOTE The weights above were obtained using 32 x 9 mm disc blades Model GCRO 7012 Spacing between disc bla...

Page 14: ...12 Marchesan Implementos e M quinas Agr colas TATU S A GCRO 7010 7012 Data sheet General dimensions A A B B D D C C...

Page 15: ...S A GCRO 7010 7012 Data sheet NOTE For these models there are two versions that feature the measures below Disk harrow with 52 disc blades Height F 3435 or 3640 Disk harrow with 56 disc blades Width...

Page 16: ...75 2115 465 10860 4790 3550 6310 80 11025 10860 2230 500 11025 5030 3550 6385 NOTE The B measure corresponds to the TOTAL WIDTH of the disk harrow being the disc blades lowered for the folding wings t...

Page 17: ...sc gang 12 Rear hitch Optional 04 Wheelset system 13 Parking jack 05 Hose support 14 Hydraulic system 06 Drawbar 15 Wrenches 07 Tractor hitch 16 Safety chain 08 Leveling system Hydraulic Optional 09 L...

Page 18: ...ng 11 Cylinder stops 03 Rear disc gang 12 Rear hitch Optional 04 Wheelset system 13 Parking jack 05 Hose support 14 Hydraulic system 06 Drawbar 15 Wrenches 07 Tractor hitch 16 Safety chain 08 Leveling...

Page 19: ...k 02 Right lateral frame 10 Wheelset system 03 Left lateral frame 11 Hose support 04 Front disc gang 12 Cylinder stops 05 Rear disc gang 13 Parking jack 06 Drawbar 14 Hydraulic system 07 Tractor hitch...

Page 20: ...g to assemble the disc gangs check the correct position of the bearings and spacer spools Use two box end wrenches A and A1 to tighten the nuts of the disc gangs one to hold the axle nut on one side w...

Page 21: ...2 1 8 axle 28 disc blades 28 disc blades 8 bearings 8 bearings 16 spacer spools 16 spacer spools 1 furrow filler 1 furrow filler GCRO 7010 GCRO 7010 1 5 8 axle 1 5 8 axle GCRO 7012 GCRO 7012 2 1 8 axl...

Page 22: ...1 8 axle 40 disc blades 40 disc blades 12 bearings 12 bearings 22 spacer spools 22 spacer spools 1 furrow filler 1 furrow filler GCRO 7010 GCRO 7010 1 5 8 axle 1 5 8 axle GCRO 7012 GCRO 7012 2 1 8 ax...

Page 23: ...nd spacer spools GCRO 28 60 GCRO 7010 GCRO 7010 1 3 4 axle 1 3 4 axle GCRO 7012 GCRO 7012 2 1 8 axle 2 1 8 axle 44 disc blades 44 disc blades 16 bearings 16 bearings 20 spacer spools 20 spacer spools...

Page 24: ...ssembly of bearings and spacer spools GCRO 28 60 GCRO 7010 GCRO 7010 1 3 4 axle 1 3 4 axle 44 disc blades 44 disc blades 16 bearings 16 bearings 20 spacer spools 20 spacer spools 1 furrow filler 1 fur...

Page 25: ...ssembly of bearings and spacer spools GCRO 28 60 GCRO 7010 GCRO 7010 1 5 8 axle 1 5 8 axle 44 disc blades 44 disc blades 16 bearings 16 bearings 20 spacer spools 20 spacer spools 1 furrow filler 1 fur...

Page 26: ...pools GCRO 28 60 GCRO 7010 GCRO 7010 1 3 4 axle 1 3 4 axle 1 5 8 axle 1 5 8 axle GCRO 7012 GCRO 7012 2 1 8 axle 2 1 8 axle 48 disc blades 48 disc blades 16 bearings 16 bearings 24 spacer spools 24 spa...

Page 27: ...ssembly of bearings and spacer spools GCRO 28 60 GCRO 7012 GCRO 7012 2 1 8 axle 2 1 8 axle 50 disc blades 50 disc blades 16 bearings 16 bearings 26 spacer spools 26 spacer spools 1 furrow filler 1 fur...

Page 28: ...ssembly of bearings and spacer spools GCRO 28 60 Bearing Bearing Spacer spool Spacer spool Furrow filler Furrow filler GCRO 7010 GCRO 7010 1 5 8 axle 1 5 8 axle 52 disc blades 52 disc blades 16 bearin...

Page 29: ...ssembly of bearings and spacer spools GCRO 28 60 Bearing Bearing Spacer spool Spacer spool Furrow filler Furrow filler GCRO 7012 GCRO 7012 2 1 8 axle 2 1 8 axle 52 disc blades 52 disc blades 16 bearin...

Page 30: ...ssembly of bearings and spacer spools GCRO 28 60 Bearing Bearing Spacer spool Spacer spool Furrow filler Furrow filler GCRO 7010 GCRO 7010 1 3 4 axle 1 3 4 axle 52 disc blades 52 disc blades 16 bearin...

Page 31: ...ssembly of bearings and spacer spools GCRO 28 60 Bearing Bearing Spacer spool Spacer spool Furrow filler Furrow filler GCRO 7010 GCRO 7010 1 3 4 axle 1 3 4 axle 56 disc blades 56 disc blades 16 bearin...

Page 32: ...nd spacer spools GCRO 28 60 Bearing Bearing Spacer spool Spacer spool Furrow filler Furrow filler GCRO 7010 GCRO 7010 1 5 8 axle 1 5 8 axle GCRO 7012 GCRO 7012 2 1 8 axle 2 1 8 axle 56 disc blades 56...

Page 33: ...nd spacer spools GCRO 28 60 Bearing Bearing Spacer spool Spacer spool Furrow filler Furrow filler GCRO 7010 GCRO 7010 1 3 4 axle 1 3 4 axle GCRO 7012 GCRO 7012 2 1 8 axle 2 1 8 axle 56 disc blades 56...

Page 34: ...ssembly of bearings and spacer spools GCRO 28 60 Bearing Bearing Spacer spool Spacer spool Furrow filler Furrow filler GCRO 7010 GCRO 7010 2 1 8 axle 2 1 8 axle 60 disc blades 60 disc blades 16 bearin...

Page 35: ...12 Assembly Assembly of bearings and spacer spools GCRO 72 80 GCRO QL GCRO QL 72 disc blades 72 disc blades 28 bearings 28 bearings 32 spacer spools 32 spacer spools 1 furrow filler 1 furrow filler Be...

Page 36: ...12 Assembly Assembly of bearings and spacer spools GCRO 72 80 GCRO QL GCRO QL 76 disc blades 76 disc blades 28 bearings 28 bearings 36 spacer spools 36 spacer spools 1 furrow filler 1 furrow filler Be...

Page 37: ...12 Assembly Assembly of bearings and spacer spools GCRO 72 80 GCRO QL GCRO QL 80 disc blades 80 disc blades 28 bearings 28 bearings 40 spacer spools 40 spacer spools 1 furrow filler 1 furrow filler Be...

Page 38: ...e gangs Use the wrenches to tighten the gangs as follows 1 Place one of the wrenches in the outer side of the gangs locked side supporting it on the ground As shown on the next page 2 On the inner sid...

Page 39: ...12 Assembly Axle torque Axle diameter Ft lbs 1 1 2 2670 1 5 8 2890 2 1 8 3300 2 1 2 3500 The axle threads B must be greased before assembled Consult the torque table NOTE Disc gangs assembly sequence...

Page 40: ...uple the spacer spool K to the outer lock A using bolts I1 and fastening with spring washers and nuts Fasten the furrow filler L to the spacer spool K and place the outer lock M on the spacer spool ax...

Page 41: ...d before assembled Consult the torque table NOTE Axle torque Axle diameter Ft lbs 1 1 2 2670 1 5 8 2890 2 1 8 3300 2 1 2 3500 A A G G B B B B C C I1 I1 F F L L I I H H J J K K M M M M J2 J2 D D C1 C1...

Page 42: ...ight In the gang assembly to the carriers the bearing hangers should remain facing the disc blades concavity Procedures In the illustration below it is possible to see the assembly sequence being Plac...

Page 43: ...B which are placed underneath the fixation plate On top place spring washers C and nuts For the models that have furrow filler out of the frame use a scraper support D that must be fastened to the fr...

Page 44: ...0 7012 Assembly Disc gang carrier assembly to the frame Fasten the front and rear disc gang carriers to the frame A using bolts B and square washer placing these parts from the bottom to top Right aft...

Page 45: ...cylinders D to the wheelset A locking with articulation axle flat washers and elastic pins Wheelset assembly 72 80 disc blades Lock the wheelset A to the frame B using a junction axle C flat washers s...

Page 46: ...wheel D to the hub A using bolts E and nuts Stabilizer assembly The GCRO disk harrow allows a lateral displacement of 150 mm on the rear disc gang carrier The adjustment is done through the adjusting...

Page 47: ...28 60 disc blades Hitch bar assembly 72 80 disc blades Couple the hitch bar A to the frame B arms and lock using a junction axle C castle nut and cotter pin Couple the hitch bar A to the frame B arms...

Page 48: ...Note that all castle nuts are on the upper part of the plates locked and with cotter pins Assemble the cylinder fastener F to the frame G using bolts H spring washer and nuts Assemble the spindle I t...

Page 49: ...pins Assemble the drawbar articulator F to the hitch bar C using a bolt castle nut and cotter pin Fasten the adjustment extensor G to the stabilizer bar F using a bolt flat washer and hex nut on the o...

Page 50: ...ing A using a bolt E flat washer and spacing flat washers F Fasten the axle lock G to the central frame B and lock it to the articulator H using a pin I and cotter pin Also place the pin J flat washer...

Page 51: ...axles L Couple the hydraulic cylinder N to the central frame B using a pin O and bolts lock the cylinder N rod end to the wing A using an axle P bushings flat washers spring washers and bolts locking...

Page 52: ...he frames are properly supported on the trestles to avoid falls and therefore damages to the equipment When assembling the cylinders G the hose ports must be installed facing backwards to avoid dirt a...

Page 53: ...apter with swivel nut 3 4 8R6X S 02 05 Oil distributor 2150 3 outlets R 3 4 JIC 01 06 Oil distributor 2650 3 outlets R 3 4 JIC 01 07 Hitch bar hydraulic cylinder 01 08 Wheelset cylinders 02 09 Male qu...

Page 54: ...Relief valve 01 02 Nipple 3 4 UNF Hex 7 8 x 44 08 03 O Ring 2 114 N 3006 9B 08 04 Oil distributor 2380 03 outlets R 3 4 JIC 02 05 Hydraulic cylinder 02 06 Male quick coupler 1 2 Npt with cap 02 07 3...

Page 55: ...Assembly Wheelset hydraulic circuit GCRO with lateral frames 72 80 01 01 10 10 16 16 17 17 14 14 14 14 18 18 18 18 19 19 20 20 21 21 22 22 14 14 15 15 11 11 12 12 13 13 08 08 08 08 09 09 02 02 02 02 0...

Page 56: ...r 02 09 Central wheelset hydraulic cylinder 02 10 Drawbar hydraulic cylinder 01 11 Male quick coupler 1 2 NPT with cap 02 12 1 2 x 5500 TR TM hose 01 Pressure 13 1 2 x 5500 TR TM hose 01 Return 14 1 2...

Page 57: ...olas TATU S A GCRO 7010 7012 Assembly Frame articulation hydraulic circuit GCRO 44 60 01 01 02 02 02 02 05 05 05 05 06 06 07 07 08 08 10 10 09 09 12 12 11 11 09 09 10 10 12 12 11 11 05 05 05 05 03 03...

Page 58: ...3 4 UNF Hex 7 8 x 44 08 04 O Ring 2 114 N 3006 9B 08 05 Frame articulation hydraulic cylinders 04 06 Male quick coupler 1 2 NPT with cap 02 07 3 8 x 6100 TC TM hose 01 Pressure 08 3 8 x 6100 TC TM hos...

Page 59: ...TU S A GCRO 7010 7012 Assembly Frame articulation hydraulic circuit GCRO with lateral frames 72 80 07 07 02 02 09 09 11 11 10 10 08 08 06 06 06 06 12 12 13 13 12 12 13 13 13 13 12 12 12 12 13 13 06 06...

Page 60: ...NF x 13 16 UNC OFS x 40 04 05 O Ring 2 114 N 3006 9B 04 06 Lateral frames hydraulic cylinders 04 07 Male quick coupler 1 2 NPT with cap 02 08 1 2 x 6800 TR TM hose 01 Pressure 09 1 2 x 6800 TR TM hose...

Page 61: ...c gangs If they work loose there may be damages to the axles and other components Check the tires inflation always keep the same pressure on the tires Lubricate all grease fittings appropriately Check...

Page 62: ...ghten nuts and bolts especially the ones on the disc gangs If the gangs work loose it may lead to damages to the axles and other fixation components Lubricate all grease fittings appropriately See lub...

Page 63: ...djustments The cutting depth is adjusted in two ways 1 Disc gang opening Increase the opening angle between the disc gangs to work over soil that are harder to penetrate In light and loose soils work...

Page 64: ...er position the tractor related to the furrow opened on the previous pass avoiding leaving a trace and giving reference to the operator T h i s p o s i t i o n i n g i s obtained due to the tractor ga...

Page 65: ...inside to the outside IMPORTANT Note that the harrowed soil is always on the left hand side of the operator Being the disc gangs lowered only maneuver to the left hand side Entrance Entrance Entrance...

Page 66: ...san Implementos e M quinas Agr colas TATU S A GCRO 7010 7012 IMPORTANT Never work with the tires over the already harrowed soil Correct way of use Correct Correct Incorrect Incorrect Adjustments and o...

Page 67: ...is disk harrow provides several working angles to operate properly in all types of soil However this disk harrow requires certain care during operations like never make maneuvers to the right because...

Page 68: ...ed Tractor being positioned far on the right Position the tractor in a way that the front disc on the left pass on the edge of the furrow Incorrect adjustment of the disc gangs laterally Move the rear...

Page 69: ...aling tape and retighten carefully Hydraulic cylinder leaking Damaged repairings Replace the repairings Damaged rod Replace the rod Oil with impurities Replace the oil repairings and filter elements W...

Page 70: ...in service efficiency and avoid possible damages to the equipment Activate the hydraulic cylinder gradually to lift the disc gangs before maneuvering The harrowed ground always stays in the left hand...

Page 71: ...e rear hitch A assembled with hydraulic outputs B to allow the assembly of another acessory or equipment on the disk harrow Rear hitch A A B B B B A A Hitch for a Hitch for a GCRO with 28 GCRO with 28...

Page 72: ...Rear hitch hydraulic circuit Item Description Quantity 01 Male quick coupler 1 2 Npt with cap 02 02 Female quick coupler 1 2 with cap 02 03 Nipple 1 2 NPT x 3 4 UNF x 48 02 07 3 8 x 11500 TC TM hose...

Page 73: ...efore inserting lubricant and replace the damaged ones Apply an enough amount of new grease Use medium consistency grease 2 The lubrication of the bearings with grease rollers must be done on the alre...

Page 74: ...rchesan Implementos e M quinas Agr colas TATU S A GCRO 7010 7012 Maintenance Lubrication points Lubricate every 24 operating hours ATTENTION Lubricate the points shown above and all grease fittings as...

Page 75: ...ewdriver and rubber cable Pliers and wrenches Disassembly 1 Remove the end cap A 2 Carefully remove inner assemblies B 3 Disassemble the piston C from the rod assembly by removing lock nut D 4 Slide o...

Page 76: ...barrel piston seals and gland seals with hydraulic oil 4 With cylinder body held gently insert the inner assemblies B using a slight rocking motion 5 Apply Loctite 277 before installing the cylinder...

Page 77: ...of accidents Hydraulic safety Make sure that all components in the hydraulic system are kept in good condition and are clean Inspect the hydraulic system periodically or when lack of power defective...

Page 78: ...xplosion Welding can compromise the structure of the wheel or distort it When filling the tires make sure the hose is long enough for you to stand Also do this process in a safety cage 400 60 14 L Tre...

Page 79: ...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 This equipment has adequate...

Page 80: ...ary by physical factors such as humidity slope soil hardness appropriate adjustments and especially the working speed NOTE To calculate the hourly income use the following calculation R L x V x E X Wh...

Page 81: ...7 772 4 20 37 77 72 9 540 5 15 46 36 76 10 065 5 44 48 92 80 10 445 5 64 50 76 To know how many hours will be spent to work in a certain previously known area it is necessary to divide the value of t...

Page 82: ...0 Ft Lbs 1 190 Ft Lbs 205 Ft Lbs 480 Ft Lbs 530 Ft Lbs 675 Ft Lbs 750 Ft Lbs 1 1 8 265 Ft Lbs 300 Ft Lbs 600 Ft Lbs 670 Ft Lbs 960 Ft Lbs 1075 Ft Lbs 1 1 4 375 Ft Lbs 415 Ft Lbs 840 Ft Lbs 930 Ft Lbs...

Page 83: ...ear without the safety devices removed to allow a better view and detailed instructions Never operate the equipment without these safety devices TECHNICAL PUBLICATION DIVISION Elaboration Diagramming...

Page 84: ...82 Marchesan Implementos e M quinas Agr colas TATU S A GCRO 7010 7012 Notes...

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