Tatu Marchesan GNL Operator'S Manual Download Page 55

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GNL - Rev. 07 - Mar/22

8. Maintenance

Troubleshooting guide

PROBLEM

CAUSES

POSSIBLE SOLUTIONS

Quick couplers do

not adapt.

Different type of quick

couplers.

Use male and female quick couplers from

the same type.

Hoses leaking

with fixed

terminals.

Insufficient tightening.

Retighten carefully.

Lack of sealing material on the

thread.

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 filter

elements.

Working pressure superior

than the recommended one.

Adjust the control valve using the

relief valve with the aid of a pressure

gauge.
Normal pressure: 180 Kgf/cm

Quick couplers

leaking.

Insufficient tightening.

Retighten carefully.

Lack of sealing material on the

thread.

Use thread sealing tape and retighten

carefully.

Damaged repairings.

Replace the repairings.

- Only

CAPABLE

QUALIFIED

and

AUTHORIZED

personnel must carry out the

maintenance of the equipment.

IMPORTANT

Summary of Contents for GNL

Page 1: ...OPERATOR S MANUAL GNL GNL ...

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

Page 3: ... also read and understand the safety recommendations For any further explanation or in the case of technical problems that may arise during the service consult your dealer and the Technical support department of the factory as they can ensure the fully functioning of your TATU equipment We reiterate that a careful read and an observation of every item on this manual are needed to assure a greater ...

Page 4: ... Hydraulic circuit 35 6 Set up instructions 36 to 38 Preparing the tractor Preparing the equipment 36 Hitching to the tractor hydraulic circuit Hitching to the tractor 37 Procedures to transport the equipment Important recommendations 38 7 Adjustments and operations 39 to 44 Cutting depth 39 40 Scrapers adjustment 40 Ways to start the harrowing 41 Direction of the maneuvers 42 Operations important...

Page 5: ... of the equipment The instructions in this manual indicates how to get the best performance and allow the operator to get maximum income increasing the equipment lifetime This manual should be read by operators and maintenance staff IMPORTANT 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 f...

Page 6: ...should be carefully read and observed If the safety instructions are not being followed a serious accident or even death may occur Dear operator Respect the ecology Do not throw trash away This gesture of goodwill helps to protect our environment Products such as oil fuel filters batteries and others are spilt over the soil and can penetrate to the underground layers compromising nature Ecological...

Page 7: ...vement Be careful while driving on slopes Risk of overturn Prevent that chemical products i e fertilizers and treated seeds make any contact with 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 drawbar in sharp turns Always use the safety locks to ca...

Page 8: ...ion when operating with the power take off PTO which you should not get closer during operation The presence of any other people on the tractor or equipment is stricly forbidden Have extreme caution when driving under electrical power lines Any contact may result in severe shocks injuries or death When hitching the equipment to the tractor use a chain to lock the equipment drawbar to the tractor h...

Page 9: ...ands and arms from the abrasive elements that may cause cuts or scratches Whenever assembling elements that may cause cuts or scratches Whenever assembling or disassembling the equipment use safety gloves or disassembling the equipment use safety gloves The safety glasses protect the eyes from any type of debris that would The safety glasses protect the eyes from any type of debris that would caus...

Page 10: ...gled to the moving parts of the equipment 8 Never operate the equipment without its protective devices 9 Have full knowledge of the soil before starting to work Use the speed which is suitable to the conditions of the ground or pathways to be covered Provide the delineation of obstacles or hazardous locations 10 Carefully check the transport width on narrow locations 11 Be careful while hitching t...

Page 11: ...hat you carefully read the manual as it will be a guide for periodic verifications that need to be done and will allow that you assure the maintenance of your equipment 20 Fasten the safety chain between the tractor and equipment 21 Do not allow any person or animal to get under the equipment at any time 22 If there is any doubt after reading it ask your dealer For more complicated operations ther...

Page 12: ...overtaking and oncoming traffic 8 After 8 to 10 km transporting please inspect the load condition Repeat this procedure every 80 to 100 km Give more attention when transporting the equipment on rough roads slopes and other adverse conditions 9 Always be careful with the load height especially when passing under electrical power lines bridges and others 10 Check all laws and regulations regarding t...

Page 13: ...ulatory Standard NR 12 This Regulatory Standard and its annexes provide technical references basic principles and protective measures to ensure the health and physical integrity of workers and establishes minimum requirements for the prevention of accidents and occupational diseases in the design stages and use of machinery and equipment of all kinds and also to its manufacture importation trading...

Page 14: ... carry out the equipment movimentation Note every condition of each PPE such as the foot protection safety glasses safety helmet protective gloves and other PPE as required 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 isolate the area where the lifting and components movimentation...

Page 15: ... points decal 05 03 03 4078 1 Read the manual decal 05 03 03 1428 1 Lubricate and tighten daily decal 05 03 03 1827 Decal set 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 provides decals upon request and indication of the respective serial number ...

Page 16: ...stroying weeds on the pre cultivation for several types of crop Its reinforced structure and proper dimensioning is made of folded plates joined by a good penetration weld and fine finishing with resistant parts on the load concentrations The GNL disk harrow can be transported through the three point hitch Intended use of the equipment Prohibited use of the equipment 1 To avoid damages serious acc...

Page 17: ...CM Duromark DM or steel plated DMO Oil volume on the bearings 110 ml Spacer spools length 167 mm type Iron cast Axle diameter Ø 31 75 mm 1 1 4 Hitching type Drawbar Third point Working speed 9 to 12 km h GNL IMPORTANT The weights above were obtained using Ø 20 x 3 5 mm Optional hydraulic cylinder for the models with 32 36 and 42 disc blades Model Number of disc blades Cutting width mm Weight kg Tr...

Page 18: ...16 GNL Rev 07 Mar 22 3 Data sheet Dimensions for transportation and storage A A C C B B D D ...

Page 19: ...ions for transportation and storage Model Number of disc blades A B C D GNL 20 1710 1585 2160 1925 24 1710 1585 2160 2290 28 1710 1585 2660 2625 32 1710 1585 2426 2910 36 1710 1585 2960 3325 42 1710 1585 2960 3850 NOTE Measures in millimeters ...

Page 20: ...Components 01 01 05 05 08 08 07 07 02 02 03 03 04 04 06 06 GNL 20 to 42 disc blades 01 Front frame 05 Opening adjustment set 02 Rear frame 08 Traction set 03 Front disc gang 09 Tractor hitch 04 Rear disc gang 10 Transport bar ...

Page 21: ... GNL 32 disc blades 4 Components 01 01 05 05 08 08 07 07 02 02 03 03 04 04 06 06 01 Front frame 05 Opening adjustment set 02 Rear frame 08 Traction set 03 Front disc gang 09 Tractor hitch 04 Rear disc gang 10 Transport bar ...

Page 22: ... 04 04 06 06 11 11 GNL 36 to 42 disc blades with hydraulic cylinder 4 Components 01 Front frame 07 Tractor hitch 02 Rear frame 08 Transport bar 03 Front disc gang 09 Course limiter 04 Rear disc gang 10 Hydraulic cylinder 05 Adjustment bar 11 Hose support 06 Traction set ...

Page 23: ...c cylinder 4 Components 01 01 05 05 09 09 08 08 07 07 02 02 03 03 04 04 06 06 10 10 01 Front frame 06 Traction set 02 Rear frame 07 Tractor hitch 03 Front disc gang 08 Transport bar 04 Rear disc gang 09 Hydraulic cylinder 05 Adjustment bar 10 Hose support ...

Page 24: ...ten the nuts on the bearing bolts B B ATTENTION We recommend wearing gloves especially while assembling the disc gangs C C A A Only CAPABLE and AUTHORIZED personnel must assemble disassemble the equipment Use safety glasses earplugs muffs protective gloves and any other required PPE Avoid direct contact with the lubrication oil and do not throw it away or any other type of oil or grease on the env...

Page 25: ...ngs 04 bearings 14 spacer spools 14 spacer spools Before starting to assemble the disc gangs check the correct position of the bearings and spacer spools Bearing Bearing Furrow filler Furrow filler Spacer spool Spacer spool 24 disc blades 24 disc blades 06 bearings 06 bearings 16 spacer spools 16 spacer spools ...

Page 26: ...spacer spools 28 disc blades 28 disc blades 06 bearings 06 bearings 20 spacer spools 20 spacer spools Bearing Bearing Furrow filler Furrow filler Spacer spool Spacer spool 32 disc blades 32 disc blades 06 bearings 06 bearings 24 spacer spools 24 spacer spools ...

Page 27: ...spacer spools 36 disc blades 36 disc blades 08 bearings 08 bearings 24 spacer spools 24 spacer spools Bearing Bearing Furrow filler Furrow filler Spacer spool Spacer spool 42 disc blades 42 disc blades 10 bearings 10 bearings 28 spacer spools 28 spacer spools ...

Page 28: ...inner lock G and a nut C 1 5 Place the bolt H that fasten the lock nut I along with a spring washer and nut only on the outer side of the gangs 6 Use the wrenches from the set of wrenches page to tighten the gangs as follows a 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 b On the inner side use the other wrench and tight...

Page 29: ...le Axle diameter Ft lbs 1 1 2 2670 1 5 8 2890 1 3 4 3020 2 3150 2 1 8 3300 2 1 2 3500 3 4000 C C C1 C1 E E B B F F I I A A G G I1 I1 D D H H H1 H1 NOTE The axle threads B must be cleaned and greased before their assembly Check the torque table on the important data section ...

Page 30: ...e the wrenches from the set of wrenches page to tighten the gangs as follows a 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 b On the inner side use the other wrench and tighten the gangs to get maximum torque c The gangs must remain underpinned with a piece of wood or any other object for tightening to prevent them from ...

Page 31: ...g and the bearing hanger holes On the upper part put a flat washer C nut and counternut D 2 Repeat this operation for the other bearings A A B B D D C C IMPORTANT The rear gang turns dirt 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 ...

Page 32: ...ers with the end facing the concave side of the disc blades 2 Assemble the scrapers A using bolts and flat washers B which are placed underneath the fixation plates On the upper part place a spring washer and nuts C Scrapers assembly B B A A A A D D B B C C A A NOTE The scrapers feature an adjustment to approach or distance them from the disc blades on a range from 5 to 10 mm B B A A C C C C ...

Page 33: ...ring washer and nut 1 Fasten the course limiter A to the rear frame B 2 Pass the adjustment bar C through the limiter A and through the course limiter marker D and couple it to the front frame E using a junction axle and cotter pin F 3 Put the bolt G in the adjustment bar transversal hole using a spring washer and nut Opening adjustment set assembly 20 to 42 disc blades Opening adjustment set asse...

Page 34: ...sing a junction axle G and cotter pin For the GNL model with 36 42 disc blades and hydraulic cylinder 1 Fasten the cylinder barrel D to the front frame E using a junction axle G and cotter pin 2 Fasten the cylinder barrel to the rear frame F using an articulation pin H and cotter pin NOTE When assembling the cylinder the rod must be facing the rear part of the equipment to be on its correct positi...

Page 35: ...me using pins and cotter pins B 2 Assemble the drawbar C using a bolt D spring washer and nut 3 Assemble the hose support E to the drawbar C using a flat washer and nut NOTE When assembling the traction set note the correct position of the upper and lower plates as shown below A A C C D D B B E E ...

Page 36: ...rt bar A to the frame using pins and cotter pins B Then fasten the drawbar C to the transport bar A along with the pin and cotter pin D NOTE To transport the harrow the drawbar should be always locked in the central hole A A C C D D B B Transport Transport position position ...

Page 37: ...essure Pressure 03 01 3 8 X 5000 TC TM hose Return Return 04 02 Male quick coupler 1 2 NPT with cap NOTE Always use thread sealing tape to couple the male quick couplers to the hoses During assembly avoid that the ports touch the soil ATTENTION RISK OF ACCIDENT Do not make any repair while it is pressurized or when the cylinders are under load Use adequate protection to the eye and hands when sear...

Page 38: ...height related to the soil without the option to adjust the hitching height Angled drawbar with two height adjustments going up or down When the bar is totally retreated on its length the operator must be aware for any curve or maneuvers as the equipment drawbar may touch the tractor tires or damage the hydraulic hoses When using the tractor drawbar lift the three point hitches entirely The tracto...

Page 39: ...e tractor drawbar must remain fixed Hitching to the tractor NOTE During transportation the hydraulic lower arms must remain adjusted Position the tractor control valve until the disk harrow is leveled Maintain the third point arms always opened locked and lifted to the maximum B B Approach the tractor and couple the hoses A to the quick couplers To do so shut down the engine relieve the control va...

Page 40: ...ch bar couple the transport bar B to the frame and drawbar using a pin and cotter pin according to the instructions on the transport bar assembly page 4 Hitch the tractor to the three point hitch C Important recommendations 1 Check the conditions of all parts retightening nuts and bolts especially the ones on the disc gangs If they work loose there may be damages to the axles and other components ...

Page 41: ...he following points 1 Disc gangs opening Increase the opening A between the gangs to work over soils that are harder to penetrate with the disc blades In light and loose soils it is appropriate to work with a smaller opening angle To open or close the disk harrow activate the course limiter lock and move the equipment forward or backward to the desired spot To open or close the equipment the opera...

Page 42: ...nsport position NOTE The adjustments previously described determine the cutting depth so it is necessary to keep an agreement between them for a greater performance A A 2 Drawbar angle In medium soils the drawbar works in the central hole A of the upper and lower plates Displace the bar to the other holes in order to increase or decrease the penetration angle Note that this adjustment changes the ...

Page 43: ...and size of the field the harrowing is made basically in two ways from outside to inside or from inside to outside Exit Exit Harrowing in level Harrowing in level Harrowing in squares Harrowing in squares from outside to inside from outside to inside Harrowing in squares Harrowing in squares from inside to outside from inside to outside Entrance Entrance Entrance Entrance Entrance Entrance ...

Page 44: ...ids the undesirable formation of large furrows in the local maneuvers As previously mentioned this 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 the angle formed on its vertex transmits great effort to the equipment overloading traction components s...

Page 45: ...can only be determined by local conditions We adopted an average 9 to 12 km h which is not advisable to overcome to maintain service efficiency and to avoid possible damages to the equipment 7 It is important to keep a constant speed during the whole operation 8 Only people who own a complete knowledge of the tractor and equipment must operate them 9 Be on a wide field and maneuver on slow gear to...

Page 46: ...s stated before the maneuvers must always be done to the left hand side 19 The harrow activation to open or close the gangs must be done gradually being the tractor in movement 20 Relieve the control valve pressure before disconnecting the quick couplers and when doing any verification in the hydraulic circuit or on the retention valve 21 Do not check eventual leaks using your bare hands as the hi...

Page 47: ...orks in constant lubrication but it is still necessary to give them the following attention 1 In a flat place check the oil level of each bearing before using the disk harrow for the first time and every day of the first week 2 Then start to check weekly 3 Change all the oil every 1 000 operating hours 4 Use SAE 90 mineral oil only d DMO bearings do not need maintenance Only CAPABLE and AUTHORIZED...

Page 48: ...the disk harrow in a flat place The oil volume on the DM bearings is 110 ml Lubrication 8 Maintenance NOTE Duromark steel plated bearing Assembled with a high performance lubricant the Duromark steel plated bearing do not have a plug since there is no need to refill it avoiding the risk of mixing incompatible lubricants ...

Page 49: ...47 GNL Rev 07 Mar 22 8 Maintenance Lubrication points Lubricate every 24 hours of service NOTE Lubricate the points shown above and all grease fittings as well ...

Page 50: ...48 GNL Rev 07 Mar 22 NOTE Lubricate the points shown above and all grease fittings as well Lubricate every 24 hours of service 8 Maintenance Lubrication points ...

Page 51: ... sure you have the correct tools for the job You may require the following tools Proper seal kit Screwdriver and rubber cable Pliers and wrenches Ports Ports 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 gland assembly E and end cap A 5 Remove seals and inspect all parts for damage 6 Inst...

Page 52: ...eassembly 1 Reinstall rod through gland E and end cap A 2 Secure piston C to rod with lock nut D Torque lock nut to proper value consult torque table on the important data section 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 installing the cylinder end ...

Page 53: ...he 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 lines fittings or hoses by using tape clamps or cements The hydraulic system operates under extremely high pressure Such repairs will fall suddenly and create a hazardous and unsafe condition Wear proper hand and eye pro...

Page 54: ... 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 gang to the left or the front disc gang to the right Windrows forming on the left side Insufficient overlapping Incorrect rear disc gang adjustment If windrows are forming move the front disc gang to the left or the rear disc ga...

Page 55: ... Damaged repairings Replace the repairings Damaged rod Replace the rod Oil with impurities Replace the oil repairings and filter elements Working pressure superior than the recommended one Adjust the control valve using the relief valve with the aid of a pressure gauge Normal pressure 180 Kgf cm2 Quick couplers leaking Insufficient tightening Retighten carefully Lack of sealing material on the thr...

Page 56: ...ges that may occur during the job After 24 working hours the bolts on the disk harrow must be checked to see if they are properly tightened To assure a great performance and avoid wear 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 decals upon reque...

Page 57: ... R Hourly income L Harrow working width meters V Average speed of the tractor meters per hour E Efficiency 0 90 X Hectare value 10 000 m2 Example with a GNL 32 disc blades R L 2 64 m V 9 000 m h E 0 90 X 10 000 m2 R 2 64 x 9 000 x 0 90 10 000 R The hourly income working with an equipment that has 32 disc blades will be approximately of 2 14 hectares per hour Based on this calculation the table on ...

Page 58: ... 48 2 82 25 37 NOTE An average speed of 9 km h was assumed to prepare the table above To know how many hours will be spent to work 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 GNL that has 32 disc blades Hourly income 2 13 hectares So 50 23 36 2 14 R Approximately will be spent 23 twenty thre...

Page 59: ...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 9 169 5 229 8 434 588 5 612 5 830 6 M 20 x 1 5 134 5 182 382 359 486 80 527 714 612 7 8 14 187 253 6 478 5 648 8 676 5 917 3 M 22 x 2 5 165 5 224 418 441 598 00 647 5 878 01 1 8 254 5 345 1 650 881 4 918 5 1 245 5 M 2...

Page 60: ...t the safety devices removed to allow a better view and detailed instructions Never operate the equipment without these safety devices ATTENTION MARCHESAN IMPLEMENTOS E MÁQUINAS AGRÍCOLAS TATU S A MARCHESAN IMPLEMENTOS E MÁQUINAS AGRÍCOLAS TATU S A Marchesan Av 1979 Zip Code 15994 900 Matão SP Brazil Telephone 55 16 3382 8282 www marchesan com br TECHNICAL PUBLICATION DIVISION Elaboration Diagramm...

Page 61: ...rante el trabajo 11 No efectuar regulajes con el equipo en funcionamiento 12 No permitir que niños jueguen sobre o próximo de los equipos en operación durante el transporte o almacenado 13 La velocidad de operación debe ser cuidadosamente controlada 14 En terreno inclinado mantenga la estabilidad ideal En inicio de desequilibrio baje la aceleración y no levante el implemento 15 Los implementos de ...

Page 62: ...www marchesan com br ...

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