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

GNFH

Table of contents

1. To the owner

2. To the operator

4 to 11

3. Data sheet

12 & 13

4. Components

5. Assembly

15 to 34

Using the set of wrenches

Assembly of bearings and spacer spools

16 to 21

Disc gangs assembly sequence

22 & 23

Assembly of the disc gangs on the frame

Frames junction / Scrapers assembly

Opening system assembly

Tires assembly / Drawbar set assembly

Hydraulic cylinder/circuit assembly

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

42 to 49

Cutting depth

42 & 43

Ways to start the harrowing

Direction of the maneuvers

Troubleshooting guide

46 & 47

Operations - Important points

48 & 49

8. Maintenance

50 to 57

Lubrication

Lubrication points

Wheel support hubs lubrication

Hydraulic cylinder maintenance / assembly

53 & 54

Hydraulic safety

Disk harrow maintenance

Tires inflation

9. Important data

58 to 60

Hourly income calculation

Average income table

Torque table

10. Important

Содержание GNFH

Страница 1: ...OPERATOR S MANUAL GNFH GNFH...

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

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

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

Страница 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...

Страница 66: ...www marchesan com br...

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