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

GNACR

Data sheet

Type: .............................................................................Folding wheel offset disk harrow

Model: ................................................................................................................GNACR

Number of disc blades: ................................................................... 64, 72, 84, 96 or 108

Spacing between disc blades: .............................................................................200 mm

Discs dimension: ........................................................................................ 20" x 3.5 mm

........................................................................................ 22" x 4.5 mm

Disc blade type - Front gang: ............................................................... Concave notched

- Rear gang: .................................................................... Concave plain

Bearings - Length: ..............................................................................................196 mm

- Type: ..................................................................................Duromark oil bath

Spacer spools - Length: ......................................................................................196 mm

- Type: .............................................................................................. Cast

Axle diameter:.............................................................................................. Ø 38.1 mm (1.1/2")

Hitching type: ...............................................................................................Traction bar

Working speed: ........................................................................................... 7 to 12 Km/h

Tires (64,72 or 84 disc blades): ................................................11L 15 - 10 tarps

(52 PSI)

Tires (96 or 108 disc blades): .................... 11L 15 - 10 tarps

(52 PSI)

or 400/60

(52 PSI)*

Model

Number of

disc blades

Cutting width

(mm)

Transport width

(mm)

Net Weight

(kg)

Tractor

required (cv)

GNACR

6200

3200

4715

220 - 240

7000

3200

4960

240 - 260

8200

3350

5215

260 - 280

9400

4100

6268

280 - 310

108

10550

4250

6824

310 - 330

* The 400/60 tires are supplied as an optional part.

Содержание GNACR

Страница 1: ...INSTRUCTIONS MANUAL GNACR ...

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

Страница 3: ... simultaneous side tilting is done by the hydraulic cylinders placed on the central frame During operations the sides articulate to adapt in several types of soil including terraced slopes to clod break them This instructions manual contains the necessary information for the best performance of this disk harrow The operator must carefully read the entire manual before working with the equipment Al...

Страница 4: ...draulic cylinder assembly 23 24 Hydraulic circuit 64 72 or 84 disc blades 25 Hydraulic circuit 96 or 108 disc blades 26 6 Working preparation 27 to 29 Tractor preparation Harrow preparation Hitching to the tractor 27 28 Jack stand position 28 Important recommendations 29 7 Adjustments and operations 30 to 34 Locking the frames for transportation 30 Cutting depth adjustment 31 Ways to start the har...

Страница 5: ...tion precautions and maintenance of the equipment The instructions on 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 Only people who own a full knowledge of the tractor and equipment must operate them Marchesan is not responsible for any damage caused ...

Страница 6: ...ents This symbol is a warning used to prevent accidents The instructions under this symbol refers to the safety of the operator or third parties therefore it should be carefully read and observed Read and understand the information before making any adjustment or maintenance Be careful with the environment The GNACR disk harrow is simple to operate requiring however the basic and essential caution...

Страница 7: ...in 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 during the night Avoid that the tractor wheels touch the drawbar in sharp turns 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 ...

Страница 8: ...ntangled in moving parts Never operate the equipment without its proper protective devices Be careful while hitching the drawbar to the tractor Wear protective gloves to work near the disc blades When setting the harrow to transport position check if there are no people or animals close or under it Never attempt to change the adjustments clean or lubricate the equipment while it is moving In case ...

Страница 9: ...g with a hoist use the appropriate points to lift Underpin the equipment appropriately Use chock blocks and safety chains to secure the equipment to the truck or trailer during the transport 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 A...

Страница 10: ...al before attempting to work with the equipment Lea el manual antes de iniciar el uso del equipo Safety stickers P E R I G O D A N G E R P E L I G R O P a r a e v i t a r a c i d e n t e s n ã o f a ç a r e g u l a g e n s c o m o e q u i p a m e n t o e m m o v i m e n t o P a r a m a n u t e n ç ã o e l i m p e z a d e s l i g u e o m o t o r d o t r a t o r In order to avoid accidents do not ca...

Страница 11: ...om the equipment when the same is folding or unfolding Mechanical or hydraulic failure can make the equipment to fall down quickly Para evitar accidentes quede lejos del equipo cuando el mismo esté articulando o desarticulando Fallas mecánicas o hidráulicas pueden hacer con que el equipo baje rapidamente Para evitar acidentes instale as travas dos cilindros antes do transporte ou antes de efetuar ...

Страница 12: ...rk oil bath Spacer spools Length 196 mm Type Cast Axle diameter Ø 38 1 mm 1 1 2 Hitching type Traction bar Working speed 7 to 12 Km h Tires 64 72 or 84 disc blades 11L 15 10 tarps 52 PSI Tires 96 or 108 disc blades 11L 15 10 tarps 52 PSI or 400 60 52 PSI Model Number of disc blades Cutting width mm Transport width mm Net Weight kg Tractor required cv GNACR 64 6200 3200 4715 220 240 72 7000 3200 49...

Страница 13: ...Left rear frame 02 Right side frame 10 Central wheelset 03 Left side frame 11 Hydraulic cylinders 04 Central front frame 12 Hitch bar 05 Central rear frame 13 Tractor hitch 06 Right front frame 14 Jack stand 07 Right rear frame 15 Lateral wheelset 08 Left front frame 03 02 01 04 05 06 07 08 09 15 15 11 11 11 12 13 14 11 10 ...

Страница 14: ...t rear frame 02 Right side frame 10 Central wheelset 03 Left side frame 11 Lateral wheelset 04 Central front frame 12 Hydraulic cylinders 05 Central rear frame 13 Hitch bar 06 Right front frame 14 Tractor hitch 07 Right rear frame 15 Jack stand 08 Left front frame 01 02 03 04 05 06 07 09 08 10 10 11 11 12 12 12 12 13 14 15 ...

Страница 15: ...ches 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 one to hold the axle nut on one side while the other tight the nut to the other end thereby preventing the axle from rotating Use the L shaped socket wrench B to tighten the nuts of the bearing bolts Use the L shaped socket wrench C to tighten the nuts o...

Страница 16: ... Assembly Assembly of bearings and spacer spools Before starting to assemble the disc gangs check the correct position of the bearings and spacer spools Spacer spool Bearing GNACR 64 discs 18 bearings 40 spacer spools GNACR 72 discs 18 bearings 48 spacer spools ...

Страница 17: ...esan Implementos e Máquinas Agrícolas TATU S A GNACR Assembly GNACR 84 discs 18 bearings 60 spacer spools GNACR 96 discs 24 bearings 60 spacer spools Spacer spool Bearing Assembly of bearings and spacer spools ...

Страница 18: ...16 Marchesan Implementos e Máquinas Agrícolas TATU S A GNACR Assembly GNACR 108 discs 24 bearings 72 spacer spools Spacer spool Bearing Assembly of bearings and spacer spools ...

Страница 19: ...ages 14 to 16 Place the inner lock G and nut C 1 Place the bolt H that holds the lock nut I along with the spring washer and nut only on the outer side of the gangs Use the wrenches A from page 13 to tight the gangs as follows 1 Place one of the wrenches on the outer side of the gang locked side supporting it on the ground 2 On the inner side use the other wrench and tighten the gangs to get maxim...

Страница 20: ...hesan Implementos e Máquinas Agrícolas TATU S A GNACR Axle torque Axle diameter Ft lbs 1 1 2 1600 1 5 8 1900 2 1 8 2100 2 1 2 2300 Assembly Consult torque table on page 41 NOTE A B C D D E F G C 1 H H 1 I 1 I ...

Страница 21: ...ining the frames D E E A A C B C C C Fasten the articulating supports A to the central frame B locking with bolts C spring washers and nuts Then lock the articulators D to the supports and lateral frames right and left using the axles E flat washers spring washers and bolts ...

Страница 22: ...sing through the bearing housing and the bearing hanger hole On top place the square washer B nut and lock nut Repeat this operation for other bearings Note the fixing point of the scrapers with the end facing the concave side of the disc blades Assemble the scrapers A using bolts B which are placed underneath the fixation plate On top place the flat washer spring washer and nuts C A B A 10 to 20 ...

Страница 23: ...e disc carriers to the frame are assembled on an opposite position related to the bolts B that fasten the scrapers and are placed from top to bottom as shown on the illustration Fasten the front and rear disc gang carriers to the frame A using the bolts B and C square washers flat washers spring washers and nut Assemble the bolts B from top to bottom on the rear part of the disc carrier where the ...

Страница 24: ... support Traction set assembly A B C C A B Couple the traction bar A to the arms of the central frame B locking with axles C flat washers castle nuts and cotter pins Couple the hose support A to the traction bar locking with flat washers and nuts Then assemble the jack stand B with junction axle and r clip ...

Страница 25: ...e other end of the cylinder to the traction bar E locking with the axle F and cotter pin A s s e m b l e t h e h y d r a u l i c cylinders of the lateral wheelsets in the following way Couple the adjustment spindle G to the side frames locking with flat washers and nuts as shown in the detail Then lock a hydraulic cylinder H end to the adjustment spindle and the cylinder rod to the wheelset arm us...

Страница 26: ...linder J to the central frame K locking it using a junction axle L and cotter pin Then lock the cylinder rod to the wheelset arm M using a junction axle N and cotter pin Couple the articulation cylinder O to the central frame locking it using a junction axle P and cotter pin Couple the cylinder rod to the side frame using an axle Q and cotter pin J K L N M O P Q ...

Страница 27: ...R 64 72 or 84 disc blades Qty 01 3 8 x 1400 TR TC hose 01 02 3 8 x 480 TR TC hose 03 03 3 8 x 900 TR TC hose 02 04 3 8 x 2750 TR TC hose 01 05 3 8 x 3200 TC TC hose 02 06 3 8 x 7500 TR TM hose 04 07 3 8 x 4200 TR TC hose 01 08 3 8 x 4500 TR TR hose 02 09 Male quick couplers 04 09 06 08 06 04 07 01 05 02 03 03 02 02 05 09 ...

Страница 28: ...1 3 8 x 5000 TR TM hose 02 02 3 8 x 4500 TR TR hose 02 03 3 8 x 8500 TR TM hose 02 04 3 8 x 4900 TR TC hose 02 05 3 8 x 3500 TC TC hose 01 06 3 8 x 2100 TR TC hose 01 07 3 8 x 1900 TR TC hose 01 08 3 8 x 1600 TR TC hose 02 09 3 8 x 1200 TR TC hose 02 10 3 8 x 4100 TC TC hose 01 11 Male quick couplers 04 11 01 02 03 04 04 06 05 07 08 08 09 09 10 09 ...

Страница 29: ...y to the tractor Check if the tractor is in full conditions before using it Harrow preparation Check the condition of all parts and retighten nuts and bolts especially the ones from the disc gangs If the gangs work loose they may damage the axle and other components Lubricate all grease fittings appropriately See lubrication instructions on pages 35 and 36 Hitching to the tractor B A Couple the hi...

Страница 30: ... do so shut down the engine relieve the control valve pressure activate the lever a couple times and check if the couplers are clean C Jack stand position After coupling the harrow to the tractor put the jack stand A in transport working position W h e n u n c o u p l i n g or storing the GNACR harrow put the jack stand in transport position A Transport position ...

Страница 31: ...en nuts and bolts especially the ones from the disc gangs If the gangs work loose they may damage the axle and other components Lubricate all grease fittings appropriately See lubrication instructions To transport the harrow it is necessary to use the transport locks A which are coupled to the hydraulic cylinder rods When they are not being used the safety locks must remain locked to the harrow at...

Страница 32: ... the hydraulic cylinders on the articulation and remove the safety lock B on the side frames Put the lock in transport position in order to lock the side frame A to the central frame C Before lowering the side frames remove the safety lock B and put it again in working position This procedure must be done so that the hydraulic cylinders will not be damaged ATTENTION C A C Transport position Workin...

Страница 33: ...riers on the frames Cutting depth adjustment Adjustments and operations IMPORTANT To start the harrowing we recommend using an average disc gang opening Then adjust as necessary The harrowed ground always stay in the left hand side of the operator harrow closed side Try to make a good finish between passes Avoid the formation of furrows or untilled strips The traction bars from the tractor and har...

Страница 34: ... the field the harrowing is made basically in two ways from outside to inside or from inside to outside Harrowing in squares from outside to inside Harrowing in squares from inside to outside Harrowing in level Entrance IMPORTANT Note that the harrowed soil should always be to the left hand side of the operator harrow closed side Entrance contour line ...

Страница 35: ...avoids the undesirable formation of large furrows in the maneuver spots As described in the foregoing adjustments the GNACR disk harrow provides several working angles to operate properly in all types of soil However these harrows require certain precautions during operations like never make maneuvers to the right because the angle formed over its vertex transmits great effort to the equipment ove...

Страница 36: ...nd avoid possible damage to the equipment Before performing maneuvers on the headboard activate the hydraulic cylinder gradually in order to raise the disc gangs The harrowed soil is always on the left hand side of the operator Remove pieces of wood or any object that may attach in the disc blades Do not check any leaks with your bare hands because high pressure can cause injury Use cardboard or o...

Страница 37: ... fittings with a cloth before inserting lubricant and replace the damaged ones Introduce an enough amount of new grease Use medium consistency grease 2 The lubrication of 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 attention In a flat place chec...

Страница 38: ...36 Marchesan Implementos e Máquinas Agrícolas TATU S A GNACR Maintenance Lubrication points ...

Страница 39: ...tive serial number The operator must know the need to keep these stickers in place and in good conditions Also the operator must be aware that an accident can occur if the instructions are not followed NOTE Use TATU original parts only Maintenance precautions Caution Hydraulic oil leakage may be strong enough to penetrate the skin and cause serious injuries to health Oil leakage through a tiny hol...

Страница 40: ...g points GNACR disk harrow feature adequate lifting points being three points located on the central frame three on the right side frame and three on the left side frame When lifting with a hoist it is essential to hitch the cables at the suitable points for lifting Lifting detail ...

Страница 41: ... 000 m2 Example with a GNACR harrow of 64 disc blades R L 6 2 m V 7 000 m h E 0 90 X 10 000 m2 R 6 2 x 7 000 x 0 90 10 000 R The hourly income working with an equipment of 64 disc blades will be approximately 3 91 hectares per hour Based on this calculation the table on the following page shows the average hourly income and also for a day that is nine 9 hours of work The harrow hourly income can v...

Страница 42: ... divide the value of the area by the hourly income Example An area of 100 hectares to be worked with a GNACR of 44 disc blades Hourly income 3 91 hectares So 100 25 57 3 91 R Approximately will be spent 25 twenty five hours to work in an area of 100 hectares with a GNACR of 64 disc blades Model Number of disc blades Cutting width m Hourly income ha Daily income ha GNACR 64 6 2 3 91 35 15 72 7 0 4 ...

Страница 43: ...bs 3 4 130 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 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 1360 Ft Lbs 1500 Ft Lbs 1 3 8 490 Ft Lbs 560 Ft Lbs 1100 Ft Lbs 12...

Страница 44: ...better view and detailed instructions Never operate the equipment without these safety devices TECHNICAL PUBLICATION DIVISION Elaboration Diagramming Valson Hernani de Souza Digramming Assistant Ingrid Maiara G de Siqueira Translation Matheus Freire de Souza Illustrations Ingrid Maiara G de Siqueira Carlos C Galhardi April 2017 Serial number 05 01 09 1836 Revision 02 MARCHESAN IMPLEMENTOS E MÁQUIN...

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