Tatu Marchesan GNFH Operator'S Manual Download Page 14 | Manualshive

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

GNFH

Type: ..............................................................................................................Disk harrow
Model: .................................................................................................................... GNFH
Spacing between disc blades: ...............................................................................195 mm
Disc blades dimension: ................................................... Ø 20" x 3.5 mm, Ø 20" x 4.5 mm

....................Ø 22" x 3.5 mm, Ø 22" x 4.5 mm and Ø 24" x 4.5 mm

Number of disc blades: ....................................... 48, 52, 56, 60, 64, 68, 72, 76, 80 and 84
Disc blade type: ..................................................................................... Mixed or notched
Bearings - length: ..............................................................................................192.5 mm

- type: .................................. Grease/oil bath bearings and steel-plated bearings

Oil volume on the bearings: ....................................................................................110 ml
Spacer spools - length: ......................................................................................192.5 mm

- type: ...........................................................................................Iron cast

Axle diameter: .....................................................................................Ø 38.1 mm (1.1/2")
Hitching type: ......................................................................................................Drawbar
Tires: ..................................................................................Check the 'tires inflation' page
Working speed: ..............................................................................................7 to 12 km/h
Transport speed: ...................................................................................................30 km/h

The weights above were obtained using Ø 24" x 4.5 mm disc blades.
The required tractor engine power may change according to the conditions

of the field.

NOTE

Data sheet

Model

Number of

disc blades

Cutting width

(mm)

Weight (kg)

Tractor required

(hp)

GNFH

48

4480

2490

110 - 120

52

4870

2590

120 - 130

56

5260

2760

130 - 140

60

5650

2920

140 - 160

64

6040

3100

160 - 180

68

6430

3200

180 - 200

72

6820

3300

200 - 220

76

7245

3480

220 - 240

80

7620

3660

240 - 260

84

8000

3840

260 - 280

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Summary of Contents for GNFH

Page 1: ...OPERATOR S MANUAL GNFH GNFH...

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

Page 3: ...distances The GNFH model also features a central articulation in the frame with ideal buoyancy to follow the surface unevenness or even to perform a finishing job on broad based terraces This operato...

Page 4: ...y 28 to 34 6 Set up instructions 35 to 41 Preparing the tractor Preparing the equipment Hitching to the tractor 35 to 37 Procedures to transport the disk harrow 38 to 41 7 Adjustments and operations 4...

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

Page 6: ...ansportation maintenance and storage Security aspects must be carefully observed to avoid accidents This symbol is a warning used to prevent accidents The instructions under this symbol refers to the...

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

Page 8: ...arrow locations Be careful while hitching the equipment to the tractor Only pull the equipment using a tractor with appropriate power Do not drive the equipment under the influence of alcohol or any s...

Page 9: ...re 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 required by the local highway and transport autorith...

Page 10: ...ng this Regulatory Standard Personal Protective Equipment PPE is considered any device or product that is worn by an individual worker for protection against risks that could threaten safety and healt...

Page 11: ...nts located on the frame When lifting the equipment with a hoist it is essential to hitch the cables to all of these points Use chains of at least 3 meters long to lift the equipment safely Use the ad...

Page 12: ...Safety decals The safety decals warn about the equipment points that require more attention and they should be kept in good repair If these decals become damaged or illegible replace them Marchesan p...

Page 13: ...decal 05 03 03 5341 1 Read the manual decal 05 03 03 1428 1 Opening closing the disc gangs decal 05 03 03 4438 1 Danger decal 05 03 03 1739 1 Lubricate and retighten daily decal 05 03 03 1827 1 Dange...

Page 14: ...s length 192 5 mm type Iron cast Axle diameter 38 1 mm 1 1 2 Hitching type Drawbar Tires Check the tires inflation page Working speed 7 to 12 km h Transport speed 30 km h The weights above were obtain...

Page 15: ...2555 4740 1100 2400 52 6065 1200 2555 5125 1100 2400 56 6465 1200 2555 5525 1100 2400 60 6860 1200 2555 5920 1100 2400 64 7230 1200 2555 6290 1100 2400 68 7620 1200 2555 6680 1100 2400 72 8040 1200 25...

Page 16: ...omponents GNFH 01 Front frame 07 Drawbar set 02 Rear frame 08 Hitch clevis 03 Front disc gang 09 Transport lock 04 Rear disc gang 10 Transport bar 05 Wheels 11 Hoses 06 Jack 12 Opening system 7 7 8 8...

Page 17: ...hes NOTE We recommend wearing gloves especially while assembling the disc gangs Use two box end wrenches A to tighten the nuts of the disc gangs being one to hold the axle nut on one side while the ot...

Page 18: ...he correct position of the bearings and spacer spools The first and last disc on the rear gang are smaller NOTE 48 disc blades 48 disc blades 12 bearings 12 bearings 32 spacer spools 32 spacer spools...

Page 19: ...s The first and last disc on the rear gang are smaller NOTE 56 disc blades 56 disc blades 12 bearings 12 bearings 40 spacer spools 40 spacer spools 60 disc blades 60 disc blades 12 bearings 12 bearing...

Page 20: ...y The first and last disc on the rear gang are smaller NOTE 64 disc blades 64 disc blades 16 bearings 16 bearings 40 spacer spools 40 spacer spools 68 disc blades 68 disc blades 16 bearings 16 bearing...

Page 21: ...s The first and last disc on the rear gang are smaller NOTE 72 disc blades 72 disc blades 16 bearings 16 bearings 48 spacer spools 48 spacer spools 76 disc blades 76 disc blades 20 bearings 20 bearing...

Page 22: ...sembly Assembly of bearings and spacer spools The first and last disc on the rear gang are smaller NOTE 80 disc blades 80 disc blades 20 bearings 20 bearings 52 spacer spools 52 spacer spools Bearing...

Page 23: ...sembly Assembly of bearings and spacer spools The first and last disc on the rear gang are smaller NOTE 84 disc blades 84 disc blades 24 bearings 24 bearings 48 spacer spools 48 spacer spools Bearing...

Page 24: ...the set of wrenches page 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 si...

Page 25: ...leaned and greased before their assembly Check the torque table on the important data section NOTE Disc gangs assembly sequence G G C1 C1 I1 I1 H1 H1 B B D D D D E E E E F F F F A A C C H H I I Torque...

Page 26: ...to the left and the front gang turns dirt to the right In the gang assembly to the carriers the bearing hangers should remain facing the disc blades concavity Put the bolt A and a square washer B pass...

Page 27: ...Assemble the scrapers A using bolts B and flat washers which are placed underneath the fixation plates On the upper part place a spring washer and nut The scrapers feature an adjustment to approach or...

Page 28: ...a pin F flat washer and cotter pin Couple the cylinder rod to the bar A using a bolt G spring washer and nut Assemble the hose support H to the drawbar using a spring washer and nut Assemble the cylin...

Page 29: ...nt frame B using bolts C washers and nuts The bolt head must be on the inner side of the hitch bar Then assemble the drawbar D to the hitch bar A using bolts E spring washers and nuts Assemble the hos...

Page 30: ...rotecting the ports The cylinder ports A are delivered to the owner facing down in order to protect them To return the cylinder ports to their correct position loosen up the pin B and cotter pins lett...

Page 31: ...st be directioned to the wheel support side Couple the hoses on the hydraulic cylinder with proper tightening and avoiding that they touch the soil Red Red Pressure Pressure Blue Blue Return Return Bl...

Page 32: ...TM hose Return Return 02 01 3 8 X 6500 TR TM hose Pressure Pressure 03 01 3 8 X 600 TR TR hose Return Return 04 01 3 8 X 600 TR TC hose Pressure Pressure 05 01 3 8 X 2400 TR TC hose Return Return 06...

Page 33: ...TM hose Return Return 02 01 3 8 X 7100 TR TM hose Pressure Pressure 03 01 3 8 X 600 TR TR hose Return Return 04 01 3 8 X 600 TR TC hose Pressure Pressure 05 01 3 8 X 3600 TR TC hose Return Return 06...

Page 34: ...Return Return 02 01 3 8 X 7700 TR TM hose Pressure Pressure 03 01 3 8 X 600 TR TR hose Return Return 04 01 3 8 X 600 TR TC hose Pressure Pressure 05 01 3 8 X 4800 TR TC hose Return Return 06 01 3 8 X...

Page 35: ...er 08 01 Flow divider valve with nipple fitting 09 01 T adapter 10 02 Male quick coupler 1 2 NPT with cap Wheel support hydraulic circuit Assembly Opening hydraulic circuit GNFH with 48 84 disc blades...

Page 36: ...couplers to the hoses NOTE The drawbar cylinder rod must be facing the drawbar side 04 04 02 02 03 03 01 01 Red Red Pressure Pressure Blue Blue Return Return Green Green Drawbar Drawbar cylinder cyli...

Page 37: ...quipment drawbar may touch the tractor tires or damage the hydraulic hoses When using the tractor drawbar lift the three point hitches entirely The tractor drawbar must be compatible with the equipmen...

Page 38: ...ve a small clearance so that the disk harrow can perform maneuvers Set up instructions Tractor Tractor PTO PTO A A When setting up the equipment for the job the tractor equipment must be leveled relat...

Page 39: ...ar locked during work and transportation During transportation the lower hydraulic arms must remain adjusted Never remove the hoses before lowering the disk harrow and before relieving the control val...

Page 40: ...and lock the frame using a pin A and cotter pin Place the articulation lock B Articulate the transport bar C by removing the pin D and cotter pin lock the pin E and cotter pin on the hole Return the...

Page 41: ...H Set up instructions Procedures to transport the equipment Assemble the transport bar I to the lower support of the tractor third point Activate the cylinder F to articulate the drawbar G and lock it...

Page 42: ...unlocks and thus can be lowered Activate the hydraulic cylinder M until the support J lowers totally then place the pin K and cotter pin on the hole N Place the transport lock O on the cylinder rod To...

Page 43: ...Marchesan Implementos e M quinas Agr colas TATU S A GNFH Set up instructions Procedures to transport the equipment Couple the transport bar I to the bar C using a hitch pin P and cotter pin I I C C P...

Page 44: ...ades In light and loose soils it is appropriate to work with a smaller opening angle To open or close the equipment the operator must activate the hydraulic cylinder control valve Note that the disk h...

Page 45: ...Use the first hole A to get the smallest disc blades penetration angle Displace the bar to the other holes in order to increase the penetration angle Note that this adjustment changes the tractor posi...

Page 46: ...outside to inside or from inside to outside IMPORTANT Note that the harrowed ground is always on the left hand side of the operator Exit Exit Harrowing in level Harrowing in level Harrowing in square...

Page 47: ...during operations like never make maneuvers to the right because the angle formed on its vertex transmits great effort to the equipment overloading traction components such as the hitch bar the drawba...

Page 48: ...r 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 disc gan...

Page 49: ...ead Use thread sealing 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...

Page 50: ...s relative to the tractor gear and can only be determined by local conditions We adopted an average 5 to 7 km h which is not advisable to overcome to maintain service efficiency and to avoid possible...

Page 51: ...d careful manner As stated before the maneuvers must always be done to the left hand side The harrow activation to open or close the gangs must be done gradually being the tractor in movement Relieve...

Page 52: ...f the roller bearings should be done in the same aforementioned period 24 hours 2 1 The roller bearings with oil bath works in constant lubrication but it is still necessary to give them the following...

Page 53: ...1 Marchesan Implementos e M quinas Agr colas TATU S A GNFH Maintenance Lubrication points Lubricate every 24 hours of service Lubricate the points shown above and all grease fittings as well ATTENTION...

Page 54: ...king it and the unavailability of the equipment as well as a higher cost for repairing it because when the bearing breaks during work more parts of the set gets damaged Check the retainer A position t...

Page 55: ...ver 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 off gl...

Page 56: ...tion 3 Lube inside of 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 ins...

Page 57: ...use roundness on the barrel or other problems consequently leading to internal leakages lack of power gripping damages to the cylinder rods etc Do not attempt any makeshift repairs to the hydraulic li...

Page 58: ...and rupture these bolts must be tightened every so often Check wear occurence on all moving parts Replace any part if necessary Replace the missing or damaged safety decals Marchesan supplies these d...

Page 59: ...e increase in pressure with a risk of tire explosion 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 t...

Page 60: ...2 Example with a GNFH 56 disc blades R L 5 26 m V 9 000 m h E 0 90 X 10 000 m2 R 5 26 x 9 000 x 0 90 10 000 R The hourly income working with an equipment that has 56 disc blades will be approximately...

Page 61: ...y the hourly income Example An area of 50 hectares to be worked with a GNFH that has 56 disc blades Hourly income 5 26 hectares So 50 9 50 5 26 R Approximately will be spent 10 ten hours to work in an...

Page 62: ...29 310 52 336 455 616 3 4 10 167 226 5 269 5 365 4 380 5 516 0 M 18 x 1 5 96 5 130 854 257 348 49 378 512 568 3 4 16 186 252 2 300 406 8 424 5 575 6 M 20 x 2 5 121 5 164 754 323 5 438 67 475 644 1 7 8...

Page 63: ...979 CEP 15994 900 Mat o SP Brasil Fone 16 3382 8282 www marchesan com br Important ATTENTION MARCHESAN S A reserves the right to make improvements in the design material or specifications of machinery...

Page 64: ...62 Marchesan Implementos e M quinas Agr colas TATU S A GNFH Notes...

Page 65: ...trabajo 11 No efectuar regulajes con el equipo en funcionamiento 12 No permitir que ni os jueguen sobre o pr ximo de los equipos en operaci n durante el transporte o almacenado 13 La velocidad de ope...

Page 66: ...www marchesan com br...

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