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Summary of Contents for Mandam GAL-C
- Page 1 Toruńska 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 In accordance with the Ordinance of the Minister of the Economy dated 21 October 2008 (Journal of Laws No. 199, item 1228) and the Directive of the European Union no. 2006/42/EC of 17 May 2006 MANDAM Sp. z o.o. ul. Toruńska 14 44-100 Gliwice...
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Page 3: Table Of Contents
4.4.3 Setting the working units ................... 21 4.4.4 Working depth of the GAL-C H disc harrow ............27 Rules for transporting the harrow on public roads and lighting the implement ..... 28 Maintenance and lubrication ..................... 30 Screw tightening torque ...................... 30 Maintenance .......................... -
Page 4: Introduction
The warranty card constitutes an integral part of the machine. Whenever you request any information on spare parts, provide the serial number. For more information on spare parts, • please visit our website at: http://mandam.com.pl/parts/ • call us at +48 668 662 289 • e-mail: czesci@mandam.com.pl... -
Page 5: Safety Symbols And Inscriptions
1.1 Safety symbols and inscriptions Remember! Remember! Be particularly careful in places marked with the special information and warning symbols (yellow labels). The following symbols and inscriptions can be found on the implement. Secure the symbols, signs and inscriptions against loss and make sure they are legible at all times. If lost or illegible, replace the signs and inscriptions with new ones. - Page 6 Safety sign Meaning of the safety sign Location on the implement Keep clear from foldable Front part of the central and moving parts of the frame adjacent to side implement frames Do not reach into the Central frame adjacent to crushing zone if the side frames elements can move...
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Page 7: General Information
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: Intended Use Of The Gal- C Disc Harrow
Table 2. GAL-C disc harrow types. Working Tined disc Number of Min. tractor Harrow type Disc row spacing Weight [kg] width [m] diameter [mm] discs [pcs] power [hp] [mm] GAL-C 2.5 Ø560 1205 GAL-C 3.0 Ø560 1314 GAL-C 3.5 Ø560 1495 GAL-C 4.0... -
Page 9: Intended Use Of The Gal-E Disc Harrow
Fig. 2 GAL-E disc harrow. 2.4 Intended use of the GAL-E disc harrow The GAL-E version of the 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: Design Of The Gal-S Disc Harrow
Fig. 3 GAL-E disc harrow with raised roller. 2.5 Design of the GAL-S disc harrow The GAL-S harrows are available in the following widths: 3.0 m. Table 4. GAL-E disc harrow types. Working Tined disc Number of Min. tractor Harrow type Disc row spacing Weight [kg] width [m]... -
Page 11: Intended Use Of The Gal-S Disc Harrow
Fig. 4 GAL-S disc harrow. 2.6 Intended use of the GAL-S disc harrow The GAL-S version of the disc harrow has a coupling for mounting the seeder on the machine supported by arms raised by a hydraulic system that allows lowering and raising the seeder during transport (hydropack). -
Page 12: General Safety Information
The manufacturer shall not be liable for any unauthorised 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... -
Page 13: Hitching And Unhitching From A Tractor
there is a hazard of head injury when you perform maintenance or replacement of • parts in or under the implement without adequate protection – wear a hardhat, during a break in the work, always lower the implement to the ground and stop the •... -
Page 14: Transport Safety On Public Roads
3.5 Residual risk description Mandam Sp. z o.o. makes every effort to eliminate the risk of accidents. However, there is some residual risk that may result in an accident. The biggest hazard occurs... -
Page 15: Residual Risk Assessment
driving on public roads. • 3.6 Residual risk assessment • The residual risk can be minimised by applying the following recommendations: • operate the implement carefully and without undue haste, • read the instruction manual carefully, • keep a safe distance from hazard zones, •... - Page 16 Fig. 2 Diagram of the markings of tractor loads. Axle load calculations Key: – tractor weight, – front axle load for the unhitched tractor, – rear axle load if the tractor is empty, – total weight of the front-mounted implement, –...
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Page 17: Preparation Of The Disc Harrow
Actual load on the rear axle: 4.1 Preparation of the disc harrow The disc harrow is usually supplied for sale in a ready-to-operate condition. Due to the limitations of the means of transport, it is also possible to deliver it in a partially disassembled condition –... -
Page 18: Hitching The Sower With The Disc Harrow
Tyre pressure in the tractor wheels must comply with the values recommended by the manufacturer. The lower bars of the three-point hitch should be at the same height, spaced correspondingly to the spacing of the lower points of hitch. While attaching the disc harrow to the tractor, the harrow must be placed on hard and even ground. -
Page 19: Operation And Adjustment
• place the protection cover on the pins and the hook hole and secure with a pin, • connect the upper fastener with the sower. CAUTION! Before lifting the disc harrow, the sower must be lifted to ensure the stability of the implement. 4.4 Operation and adjustment 4.4.1 Automatic locking of the machine side extensions On machines with folding sections, an automatic lock is available that requires no... - Page 20 Fig. 8 Implement opening sequence: 1- raise the implement up to the maximum, 2- fold the side extensions into the “closed” position. 3. Then, after making sure that the hook of the hydraulic side extension lock mechanism allows the machine side extensions to be unlocked, proceed to open them fully (Fig.
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Page 21: Setting The Working Units
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. - Page 22 Correct positioning of the machine for operation: Fig. 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 Correct U-turning manoeuvre. Fig. 14 Correct U-turning manoeuvre. U-turning manoeuvre 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 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 Levelling: In case of irregularities in the levelling of the machine are noticed, twist or untwist the end 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.
- Page 26 Lock nut Place of adjustment with “41” wrench Fig. 17 View of the cylinder with the nut used to level the machine. Pre-set the positions of the individual working units in the GAL disc harrow before working in the field. Also level the machine lengthwise with the tractor upper fastener or with the drawbar turnbuckle and laterally with the support rail of the right lower bar.
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Page 27: Working Depth Of The Gal-C H Disc Harrow
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. -
Page 28: Rules For Transporting The Harrow On Public Roads And Lighting The Implement
Fig. 19 Correct way to place the first (1) latch on the cylinder piston rod to adjust the implement working depth. Fig. 20 Latches fitted incorrectly on the cylinder piston rod. If the latches are partially omitted from the cylinder, the forces acting on the piston rod are not evenly distributed and may cause the piston rod to buckle, resulting in damage to the entire piston assembly. - Page 29 CAUTION! The implement protruding outside the rear side outline of the tractor and obscuring tractor rear lights is a hazard for other vehicles driving on the roads. Be sure to observe the transport instructions specified in chapter 3 “General safety information”.
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Page 30: Maintenance And Lubrication
4.6 Maintenance and lubrication • Clean the disc harrow from soil after each use and inspect the parts and assemblies. • After the first 4 hours of operation, re-tighten all bolts and periodically check them for tightness. • Lubricate the lubrication points on the hinge pins daily during the machine’s service life. -
Page 31: Maintenance
Table 5. Screw, bolt and nut tightening torque. CAUTION! It is forbidden to work on a damaged machine caused by any event resulting in a broken, or deformed frame, roller or other assembly of the machine! 5 Maintenance Daily maintenance Thoroughly clean the harrow removing soil and plant residues after each use;... - Page 32 Post-season maintenance After the end of the working season, thoroughly clean the disc harrow, repair the damaged paint coating and the worn working surfaces of the tines, discs, strings and roller rings as well as the threads of the adjusting screws must be cleaned with “Antykor” kerosene and protected against corrosion with “Antykor 1”...
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Page 33: Replacement Procedures
the amount of oil is greater or there are oil drops, shut down the implement for the period required to repair the malfunction (damaged sealing). Brake system (pneumatic system) maintenance The three-range braking force distribution system is not adjustable in normal use. It should be in the middle position. - Page 34 component to be replaced and the ground. In case of the chassis, the wheels lowered to the maximum position may also be used as supports. Upon lowering the harrow, switching off the tractor engine and applying the hand brake, check the stability of the tractor- implement unit.
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Page 35: Disc Harrow Storage
7 Disc harrow storage The disc harrow must be stored in a roofed place. If there is no roofed space, external storage is permitted. After the end of the work season, check the parts and assemblies. If any part is found damaged or considerably worn, replace it with a new one. -
Page 36: Gal Disc Harrow - Spare Parts
The parts are sent directly to the specified address on the COD basis. If in doubt, please contact Mandam Spare Parts Department at: +48 32-232-2660 exten- sion 39 or 45 or at + 48 668-66-22-89 (mobile).
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