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Mandam GAL-C, Instruction Manual

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Mandam GAL-C Instruction Manual Download Page 21

21

 

 

Fig. 10 Implement opening sequence: open the implement paying particular attention to the height of the 
arm ends from the ground.

 

 

5.

 

To complete the opening sequence of the implement side extensions, wait until 
the hydraulic mechanism opens the arms to their end position. Do not interrupt 
the opening process of the arm side extensions without ensuring that they are 
fully open (Fig. 11).

 

 

 

Fig. 11 View of the implement at the completion of the side extension opening sequence. The implement 
arms are fully open.

 

4.4.3

 

 Setting the working units

 

Correct positioning of the machine for operation

 

Position the machine to be used parallel to the ground (See Fig. 12) The front drawbar 
must be aligned horizontally. It is forbidden to operate the machine with the drawbar 
positioned at an angle!

 

Summary of Contents for GAL-C

Page 1: ...uńska 14 44 100 Gliwice Poland e mail mandam mandam com pl Tel 032 232 26 60 Fax 032 232 58 85 NIP VAT no 648 000 16 74 REGON Registration no P 008173131 INSTRUCTION MANUAL GAL C GAL E GAL S DISC HARROW Issue III Gliwice 2022 ...

Page 2: ...tem 1228 and the Directive of the European Union 2006 42 EC of 17 May 2006 The persons responsible for the technical documentation for the machine Jarosław Kudlek Łukasz Jakus ul Toruńska 14 44 100 Gliwice Poland For assessment of compliance the following standards have been applied PN EN ISO 13857 2010 PN EN ISO 4254 1 2016 02 PN EN ISO 12100 1 2005 A1 2012 PN EN ISO 12100 2 2005 A1 2012 PN EN 98...

Page 3: ... 14 3 6 Residual risk assessment 15 4 Information on operation and use 15 4 1 Preparation of the disc harrow 17 4 2 Hitching the disc harrow with the tractor 17 4 3 Hitching the sower with the disc harrow 18 4 4 Operation and adjustment 19 4 4 1 Automatic locking of the machine side extensions 19 4 4 2 Implement opening sequence 19 4 4 3 Setting the working units 21 4 4 4 Working depth of the GAL ...

Page 4: ...acturer The following mark indicates the guidelines that are important due to safety reasons Machine identification Identification data of the GAL disc harrow including basic information on the manufacturer and the machine and CE marking can be found on the rating plates placed on the load bearing frame The warranty for the harrow is valid for 12 months from the date of sale The warranty card cons...

Page 5: ...gible at all times If lost or illegible replace the signs and inscriptions with new ones Table 1 Information and warning signs Safety sign Meaning of the safety sign Location on the implement Read the instruction manual prior to operating the implement Frame adjacent to the mounting place of the upper fastener Danger of toe or foot crush Frame adjacent to the mounting place of the upper fastener K...

Page 6: ...frames Do not reach into the crushing zone if the elements can move Central frame adjacent to side frames Pressurized fluid hazard of bodily injury Cylinders Fixing point for transport belts Upper part of the drawbar upper fastener bolt Rear part of the frame rigid frame adjacent to the roller depth adjustment foldable frame adjacent to the cylinder bolt on the central frame ...

Page 7: ...7 2 General information 2 1 Design of the GAL C disc harrow The GAL C harrows are available in the following widths 2 5 m 3 0 m 3 5 m 4 0 m 4 5 m 5 0 m and 6 0 m Fig 1 GAL disc harrow ...

Page 8: ...n relation to the direction of travel and the ground This allows the stubble to be accurately cut and ensures that the post harvesting crop residues are evenly mixed and ground As a result evaporation of the soil is interrupted plant residues decompose more quickly and the intensity of phenolic compounds which have a negative impact on the development of successive crops is reduced Disc tines supp...

Page 9: ...disc harrow unlike the GAL C version uses arms on cylinders to hydraulically lift the roller during transport In addition the axis distance of the rows of working discs has been reduced to 800 mm resulting in smaller footprint and facilitating transport and the manoeuvrability of the entire set ...

Page 10: ...AL S disc harrow The GAL S harrows are available in the following widths 3 0 m Table 4 GAL E disc harrow types Harrow type Working width m Tined disc diameter mm Number of discs pcs Disc row spacing mm Min tractor power hp Weight kg GAL S 3 0 3 0 Ø560 24 800 140 1500 ...

Page 11: ...ng the seeder on the machine supported by arms raised by a hydraulic system that allows lowering and raising the seeder during transport hydropack In addition the axis distance of the rows of working discs has been reduced to 800 mm resulting in smaller footprint and facilitating transport and the manoeuvrability of the entire set ...

Page 12: ... alternation of the harrow Only genuine MANDAM spare parts shall be used during the warranty period The disc harrow must be operated with all precautionary measures and due care in particular before every start up check the disc harrow and the tractor make sure that their conditions guarantee safety of traffic and operation minors disabled or intoxicated persons under the influence of alcohol or d...

Page 13: ...ing balance of the tractor and the suspended implement tractor steerability and braking performance the front axle load must not drop below 20 of the total tractor load a kit of front weights When in resting position and disconnected from the tractor the machine must be stable all the time Place the support leg on a stable ground Do not use pads under the leg as this may cause instability 3 2 Tyre...

Page 14: ...aller transport width Travelling speed must be adapted to the road and the existing conditions so that the disc harrow cannot jump on the tractor suspension system and excessive loads on the machine frame and the tractor suspension system can be avoided Act with due caution when passing and overtaking or travelling at curves The maximum implement width on public roads is 3 0 m Do not drive with th...

Page 15: ...ion on operation and use Before the machine is put into operation for the first time read the instruction manual make sure that the machine is in proper operating condition check the condition of the hydraulic and pneumatic system replace damaged components e g pressure hoses make sure that the hydraulic hose quick connectors of the machine match the tractor sockets check the tightening of bolts a...

Page 16: ... of the front mounted implement and the axle centre b tractor wheelbase c distance between the rear axle centre and the centre point of the hitching pin of the rear mounted implement d distance of the centre of gravity of the agricultural implement from the hitching pins of the tractor x distance of the centre of gravity from the rear axle assume 0 45 if the manufacturer does not provide this para...

Page 17: ...east 500 kg in 700 kg in the case of a rubber roller must be used for transporting the roller to ensure stability during transport Position the arms in the harrow holders and connect the arms to the roller clamp using screws Fig 5 Fig 5 Arm and roller clamp connection Prior to operation check the technical condition of the disc harrow in particular that of the working parts and screw connections C...

Page 18: ...d pins attach the tractor s upper fastener During operation of the implement the hitch point of the upper fastener at the implement must be located higher than the attachment point of this fastener at the tractor check the lifting and lowering of the implement Each tractor connected to the machine must be equipped with a set of weights and maintain control during transport i e a minimum of 20 of t...

Page 19: ...and a hook Fig 7 Fig 7 Main frame with automatic side extension locking mechanism 4 4 2 Implement opening sequence Before unfolding the folding side the extensions of the machine learn the opening sequence to perform this operation correctly 1 First raise the implement as much as possible to be able to fold it correctly avoiding the risk of the folding arms snagging on the ground during movement F...

Page 20: ...n lock mechanism allows the machine side extensions to be unlocked proceed to open them fully Fig 9 Fig 9 Implement opening sequence 3 release the hook of the hydraulic side extension lock mechanism 4 open the implement side extensions 4 When opening the implement s side extension arms make sure that the ends of the arms are at the correct height to prevent them from snagging on the ground Fig 10 ...

Page 21: ...the opening process of the arm side extensions without ensuring that they are fully open Fig 11 Fig 11 View of the implement at the completion of the side extension opening sequence The implement arms are fully open 4 4 3 Setting the working units Correct positioning of the machine for operation Position the machine to be used parallel to the ground See Fig 12 The front drawbar must be aligned hor...

Page 22: ...ig 12 Implement positioned correctly parallel to the ground Incorrect positioning of the machine Fig 13 Incorrect positioning of the machine A turning back manoeuvre at field ends headlands or U turning allowed only with the machine raised on the chassis ...

Page 23: ...uvre with the discs recessed in the soil or turning on the rollers is not allowed Fig 15 Incorrect U turning manoeuvre When working with the machine it is also recommended to use an additional weight on the front of the tractor aimed at enabling more stable and comfortable operation ...

Page 24: ...24 Fig 16 Operation with additional load applied to the front of the tractor Levelling of the implement Machine levelled correctly Machine levelled incorrectly ...

Page 25: ...of the cylinder First loosen the lock nut with a 50 wrench and then adjust the end of the cylinder with a 41 wrench by placing the wrench on the end of the cylinder piston rod If the side frame of the machine descends the end should be twisted while if the side frame faces up the cylinder should be untwisted ...

Page 26: ... be equally recessed in the soil over the entire working width The working depth of the disc harrow is determined by the position of the roller the arms of which are locked in the holders with pins Fig 18 Initially set the roller above the lower disc edge at the height corresponding to the approximate working depth and correct the position during operation after taking into account the roller rece...

Page 27: ...termost rear disc 4 4 4 Working depth of the GAL C H disc harrow The working depth is determined by the position of the roller the arms of which are adjustable by the cylinders In order to maintain a constant stable position of the roller working depth during operation clamps are fitted on the cylinder piston Initially set the roller and the wheels above the lower disc edge at the height correspon...

Page 28: ...ton rod to buckle resulting in damage to the entire piston assembly This type of adjustment is unacceptable 4 5 Rules for transporting the harrow on public roads and lighting the implement According to the road traffic safety regulations Regulation of the Minister of Infrastructure of 31 December 2002 Journal of Laws No 32 of 2002 item 262 a unit consisting of an agricultural tractor and an agricu...

Page 29: ...ity visibility and weather conditions Fig 21 Rear light system with its location Clean the implement from soil residues and check the lights before transporting it After lifting the machine check the ground clearance under the lowest working elements which should be at least 25 cm The permissible transport speed of the tractor and implement is 15 km h It should be 10 km h in case of poor road surf...

Page 30: ... or lubrication Use thread adhesive and only genuine screws and nuts when replacing worn parts Always remember to tighten the screwed joints properly CAUTION Periodic lubrication guarantees the long service life of the machine The long service life and efficiency of a machine depends to a large extent on regular lubrication Use mineral greases for lubrication Clean the lubrication points thoroughl...

Page 31: ...ntenance Daily maintenance Thoroughly clean the harrow removing soil and plant residues after each use inspect the screw pins and bolt connections and the condition of the operating elements and other parts When cleaning remove plant residues and ropes wound at the disc and roller bearing points Replace any damaged or worn parts Tighten any loose screw connections and replace damaged cotter pins a...

Page 32: ...ub press and tighten the crown nut Stop tightening when with a vigorous manual rotation there is no more than a half turn of the hub Loosen the nut partially until the hub can rotate freely and repeat the tightening step After repeated rotation locking loosen the nut by max 30 until the immediate nut locking with a pin is possible Mark the position with a line From the marked position unscrew the ...

Page 33: ...g force decreases during wear and tear of the brake pad lining during operation and as a result of the resulting play wheel brakes brake unevenly and non simultaneously To this end change the position of the spreader arm to which the piston of the pneumatic cylinder is acting by changing the initial angle of the spreader shaft at the multi row end of the shaft and adjust the length of the bar on t...

Page 34: ...the operating cycle several times until the cylinder is completely filled with oil Otherwise the section being lowered may suddenly fall down CAUTION During repairs and maintenance the implement must be lowered on the ground and be resting on supports ensuring full stability The tractor engine must be stopped During repairs and maintenance use proper spanners and safety gloves Table 6 GAL disc har...

Page 35: ...ension system and drive away the tractor Also the parts that have been disassembled and removed from the implement must be stored securely supported on the ground to prevent uncontrolled movement It is advisable to store the implement on a hardened firm surface in roofed areas inaccessible to unauthorised persons bystanders and animals CAUTION The disc harrow must be stored in a place which does n...

Page 36: ... each machine or implement together with part numbers and prices Purchase orders for parts can be placed or enquiries related to the same can be sent di rectly from this website tab contact order or sent to the following e mail address czesci mandam com pl A purchase order should contain part numbers and quantities as well as details of the ordering party payer together with a contact phone number...

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