Vaderstad Carrier CRX 425-625 Instructions Manual Download Page 38 | Manualshive

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Service and maintenance

38

01.05.2015 1

4.8

Replacing ram seal in the hydraulic ram for setting disc
working depth

Figure 4.7

A

Unscrew and remove the piston rod guide (A) using the hook wrench (B).

B

Pull out the piston rod. The seal can now be replaced.

NOTE!

Make sure that the seals face the correct way.

C

Check that there are no scratches on the jacket lining (C).

D

Fit in reverse order.

Check with your finger that the spill holes do not have any sharp edges. If necessary, work the
edges with a fine abrasive cloth.

Carefully flush the ram prior to assembly. Fit the ram to the implement (see

“5.1 Hydraulic system

diagram” on page 44

for ram positioning), and bleed the hydraulic system, see

“4.11 Bleeding

the hydraulic system to set disc front tool” on page 39.

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Summary of Contents for Carrier CRX 425-625

Page 1: ...Original instructions Instructions 902604 en 01 05 2015 1 Carrier X series CRX 425 625 Serial No CRX0000101 ...

Page 2: ...2 01 05 2015 1 Väderstad Holding AB Väderstad Sweden 2015 ...

Page 3: ...onal extra 30 3 Driving instructions 3 1 Direction of travel 31 3 2 Driving speed 31 3 3 Weight distribution 31 4 Service and maintenance 4 1 Securing the implement for service 32 4 2 General during servicing 33 4 3 Regular maintenance lubrication schedule 33 4 4 Check of wing folding ram piston rod heads 35 4 5 Changing discs 36 4 6 Replacing the disc hub 36 4 7 Replacing the ram seal in the hydr...

Page 4: ...4 01 05 2015 1 ...

Page 5: ...ing and consolidating of ploughed land normal rolling and fine seed bed preparation mean that this machine is a truly flexible tool There are 3 different packer options to choose from Steel packer Rubber packer and Cage roller IMPORTANT The hints and advice given in this manual are to be regarded only as guidance Should you decide to operate the machine in a way other than that recommended Väderst...

Page 6: ...n tools hereunder have been manufactured in accordance with the Council Directive 2006 42 EC The above declaration covers the following machines CRX 425 CRX 525 and CRX 625 serial no CRX0000101 CRX0002500 Väderstad 2015 05 01 Lars Erik Axelsson Legal requirements coordinator Väderstad AB Box 85 590 21 Väderstad The undersigned is also authorised to compile technical documentation for the above mac...

Page 7: ... and make sure you understand their implications Always pay special attention to the text or illustration indicated by this symbol Learn to handle the implement carefully and correctly In the wrong hands or if operated care lessly the implement can be dangerous This implement is intended for cultivating arable land ...

Page 8: ...stand between the tractor and the implement when the tractor is reversed and the im plement hitched C Make sure that the working area and folding area of the implement are completely clear Never walk under a suspended section D High transport height warning applies particularly to CRX 625 see 5 2 Technical data on page 46 A B C CRX 625 CRX 425 625 D ...

Page 9: ...CRX 425 625 01 05 2015 1 9 1 3 Location of warning decals on the implement Figure 1 3 C C D B A ...

Page 10: ...ccordance with local traffic regulations Note that the po sition of the lights will change when the implement is raised and lowered using the hydraulic arms Clean the lights and check that they work prior to going out on the road Before transporting the implement by road check that the wing section mechanical locks are fully engaged see 2 6 Switching to transport mode on page 23 Prior to transport...

Page 11: ...re 1 5 A Machine type B Serial number Always quote the serial number of your machine when ordering spare parts and when dealing with issues relating to servicing or warranty claims C Year of manufacture D Working width E Transport width F Tare weight of the basic machine G Maximum total weight H Maximum permitted payload I Maximum permitted axle load J Maximum coupling load at the tractor hitch K ...

Page 12: ...tment hydraulic ram see 2 11 Setting disc working depth on page 28 Figure 1 6 3 Unhitch the tractor from the implement 4 Lift or lower the implement into position using a suitable lifting device This device must be attached to the lifting points on the centre section of the implement These are indicated by the decal see Figure 1 7 on page 13 or 4 16 1 Lifting with implement in work mode on page 42...

Page 13: ...CRX 425 625 01 05 2015 1 13 Lifting points and lashing points Figure 1 7 ...

Page 14: ...Safety rules 14 01 05 2015 1 ...

Page 15: ...tor is sufficiently loaded to allow it to be driven safely Check that the tractor s tyre set up has been adapted to cope with the weight of the implement and that the tyres are inflated to the correct pressure Note that the load exerted on the rear axle of the tractor is high particularly when transporting by road Therefore check to ensure that the maximum permitted axle load is not exceeded To re...

Page 16: ...tractor and the implement when the tractor is reversed and the implement hitched 2 Connect the hydraulic hoses Make sure that they are connected in pairs to the same hydraulic coupling two dual acting hydraulic couplings are required Always ensure that the hose cou plings and the couplings on the tractor are thoroughly cleaned Table 2 1 Hydraulic hose colour coding Colour Function Blue Disc front ...

Page 17: ...able surface 2 Disconnect the hydraulic hoses and three point couplings Unhitching with the implement in transport mode may be impossible if the implement s lower hitching points are being used see 2 4 2 Hitching point for hydraulic arms on page 20 If this is the case the implement must be set to working mode and the tractor s hydraulic arms moved to a higher hitching point on the implement Return...

Page 18: ...e base so that it stands on its discs and roll er 2 Set the working depth of the front tool so that the implement is standing parallel Surface A must be parallel to the base 3 Fit as many spacers as you can to the front tool setting hydraulic ram B Also see 2 11 Set ting disc working depth on page 28 4 Disconnect the hydraulic hoses and three point couplings A B ...

Page 19: ... rod will be used to adjust the parallel alignment of the implement When using these hitching points the tractor s hydraulic arms should be in the floating position when driving in the field The elongated hole B is to be used if you want to adjust the parallel alignment of the implement using the height adjustment setting of the hydraulic arms Adjust the length of the top link until the pin is in ...

Page 20: ... In such instances the implement must be set to working mode and the hydraulic arms moved to a higher hitching point on the implement High hitching point Figure 2 7 With a high hitching point a larger proportion of the weight is distributed to the implement during operation This is beneficial where ground conditions are very hard and it may be difficult to pen etrate the surface of the soil with t...

Page 21: ...CRX 425 625 01 05 2015 1 21 2 4 3 Stabiliser rods on tractor hydraulic arms Figure 2 8 When driving in fields and during transport the stabiliser rods for the tractor s hydraulic arms should be locked ...

Page 22: ...ogether using the hydraulic system 3 Release the locking catches for both wing sections Figure 2 9 4 Fold out the wing sections using the hydraulic system Ensure that all folding cylinders are pressed out fully NOTE Hold the hydraulic lever in position for a further few seconds This particularly applies to CRX 525 and 625 where the correct pressure must be achieved in the accumulator tank Figure 2...

Page 23: ...osition by the lock hooks Figure 2 11 4 Lift the implement so that there is sufficient ground clearance for transport driving If sufficient lifting height cannot be achieved the implement must be set down on a flat stable base The hydraulic arms must then be moved to a lower hitching point on the implement Also see 2 4 2 Hitching point for hydraulic arms on page 20 Check the transport height This ...

Page 24: ...plement to the ground 2 Check whether the frame tubes and or roller is are parallel to the base 3 If adjustment is required lower the implement to the ground so that it rests on the discs and roller 4 Adjust the wing folding ram piston rods by undoing the lock nuts A and adjusting the piston rods B in or out The rams must not come loose from the implement The rams may be moved in or out slightly i...

Page 25: ...rams may be moved in or out slightly in order to facilitate adjustment Distance B must be the same for all wing folding rams The wing sections will now have a slight downhang on both sides when in raised position NOTE The wing sections must not hang so much that the ends collide in the centre when the im plement is in raised position A NOTE Do not screw out the piston rod end more than 45 mm NOTE ...

Page 26: ...ubber compactors Figure 2 16 The scrapers must be adjusted so that their points are approx 15 mm from the rubber rings This is a basic setting If the rubber packer does not get clean adjust the scrapers so that they gradually get closer to the packer roller NOTE Under no circumstances may the scraper tips touch the rubber packer as they may cause damage NOTE Conduct regular checks to ensure that s...

Page 27: ...op rod or the height position of the hydraulic arms depending on which hitching point has been selected in the implement tower see 2 4 Selecting hitching points on page 19 Adjustment is done out in the field on a flat surface Adjust the top rods or hydraulic arms so that the surface A of the centre beam is parallel to the surface on which the implement is standing A ...

Page 28: ...as well as a couple of times throughout the day Figure 2 19 Set the working depth using the disc front tool hydraulics when driving in the field The depth to which the discs work depends on prevailing conditions and must checked out in the field The working depth can be regulated continuously during work and adapted to suit shifting condi tions in the field On the right hand side of the implement ...

Page 29: ...operation to the extent permitted by the new stroke length Alternatively a fixed working depth can be set by pulling in the piston rods as far as the spacers will allow 1 Operate the implement and set the desired working depth using the hydraulics 2 Fit the number of spacers that can be accommodated between the ram and piston rod head on the hydraulic ram equipped with spacer holders The more spac...

Page 30: ... out the bolts A Select a track po sition Refit the bolts and nuts Adjust the lateral position of the disc by undoing the nuts B and moving the entire disc arm in cluding rubber bars sideways Tighten the nuts 2 13 Levelling unit optional extra Figure 2 22 A levelling unit may be fitted to the rear of the implement between the roller sections The unit is made up of a rubber rod that levels out eart...

Page 31: ...out obliquely to the intended direction of drilling 3 2 Driving speed To ensure optimal mixing of straw and crop residue the implement should be driven at a speed of 10 14 km h Better cultivation results will be achieved by increasing driving speed 3 3 Weight distribution The weight distribution between tractor and implement can be affected by changing the hitching point on the implement for the t...

Page 32: ...ed in position by the tractor s three point lift 1 Fold out the implement to the work position 2 Lower the implement so that the roller rests on a stable base 3 Secure the front section of the implement using chocks dimensioned for the weight A Make sure that the base on which the implement is standing is stable 4 Turn off the tractor and engage the parking brake A ...

Page 33: ...in serious personal injury or fatality If in doubt contact a professional welding service for instructions 4 3 Regular maintenance lubrication schedule Figure 4 2 Grease the implement according to the intervals specified in the lubrication schedule and al ways before and after winter storage and after high pressure water cleaning Before driving ensure that all bolts and nuts have been tightened no...

Page 34: ...25 Figure 4 3 The example shown in the illustration is a steel packer Table 4 1 Pos Lubrication points Interval Lubricant Quantity A Hydraulic ram for setting front tool 500 ha Grease 2 B Joint bolts wing sections 300 ha Grease 4 C Roller bearing all types 300 ha Grease 4 C A B ...

Page 35: ... is a danger that the ram pipes will rotate changing the stroke length of the cylinders This will produce in an uneven work result For adjustment see 2 7 Setting wing section horizontal alignment on page 24 NOTE Distance B may not exceed 45 mm after adjustment NOTE If this check and tightening is not carried out the cylinders may come free from the wing sections potentially resulting in serious pe...

Page 36: ...rews crosswise to a torque of 105 Nm 4 6 Replacing the disc hub Figure 4 5 NOTE Make sure the implement rests properly on solid supports Be sure to keep dirt away when ever work needs to be performed on the bearing Dismantling Remove the disc and undo the nut A The bearing can now be removed from the stub axle Fitting a new hub 1 Make sure that the gudgeon is thoroughly cleaned 2 Fit the O ring B ...

Page 37: ...steel ball D which forms the rota tion lock 3 Fit the tool C onto the piston rod guide B Undo and pull out the piston rod guide 4 Pull out the piston rod The seal can now be replaced NOTE Make sure you do not damage the seals or seal surfaces 5 Check that there are no scratches on the jacket lining E 6 Fit in reverse order Make sure that you retighten the piston rod guide fully to 700 Nm to the ma...

Page 38: ...seals face the correct way C Check that there are no scratches on the jacket lining C D Fit in reverse order Check with your finger that the spill holes do not have any sharp edges If necessary work the edges with a fine abrasive cloth Carefully flush the ram prior to assembly Fit the ram to the implement see 5 1 Hydraulic system diagram on page 44 for ram positioning and bleed the hydraulic syste...

Page 39: ...or setting disc front tool 1 Adjust the working depth of the discs so that the front section of the implement is slightly raised 5 cm 2 Place the hydraulic control that controls the outlet connected to the machine s disc front tool hoses marked blue in move position NOTE The disc front tool s hydraulics contain a non return valve which may cause increased oil pressure Dismantle the hydraulics with...

Page 40: ...sure that the tractor is switched off and that the parking brake is engaged whilst fit ting is underway 1 Place the implement in transport mode on a flat a stable surface 2 Release the lock hook only on the wing section where roller replacement is to be carried out and fully unfold the wing section using the hydraulics 3 Lower the roller to the surface 4 Remove the scraper beam 5 Undo all bolts ho...

Page 41: ...rce of 4 tons which constitutes a major risk of personal injury should an attempt be made to dismantle it If you should ever need to disassemble a unit please contact your dealer 4 14 Roller unit servicing rubber packer Other than greasing bearings roller units do not usually require any maintenance If you should ever need to disassemble a unit please contact your dealer 4 15 Ribbed roller servici...

Page 42: ...ed from the wing sections NOTE Use lifting devices that are designed for the weight of the implement see 5 2 Technical data on page 46 NOTE Put safety first never stand under a suspended load 4 16 1 Lifting with implement in work mode Figure 4 10 1 Set the implement to work mode see 2 5 Switching to working mode on page 22 2 Connect the lifting devices to the four lifting points on the centre sect...

Page 43: ... Figure 4 11 1 Set the implement to transport mode see 2 6 Switching to transport mode on page 23 2 Connect the lifting devices to the four lifting points on the wing sections of the implement in accordance with Figure 4 11 The lifting points are indicated by the decal Min 3m ...

Page 44: ...015 1 5 APPENDICES 5 1 Hydraulic system diagram CRX 425 Figure 5 1 499906 Table 5 1 C1 Wing folding Left C2 Wing folding Right C3 System Disc Slave C4 System Disc Master B1 Hydraulic block pilot controlled non return valve ...

Page 45: ...ht front C3 Wing folding Left rear C4 Wing folding Right rear C5 System Disc Slave C6 System Disc Master A1 Accumulator 1 5 l pre charged 20 bar B1 Hydraulic block Wing folding B2 Hydraulic block pilot controlled non return valve A Pilot controlled non return valve C Flow distributor synchronised D Pressure limiter ...

Page 46: ...eel packer kg 2950 3500 3900 Weight with rubber packer kg 2750 3300 3650 Weight with ribbed roller kg 2300 2700 3000 Machine length m 2 70 2 70 2 70 Working width m 4 25 5 25 6 25 Machine width in working mode m 4 60 5 60 6 60 Machine height in working mode m 1 60 1 60 1 60 Machine height in transport mode m 2 30 2 80 3 30 Power requirement hp 150 200 250 Centre of gravity behind hitching points s...

Page 47: ......

Page 48: ...590 21 VÄDERSTAD S 590 21 VÄDERSTAD SWEDEN Telefon 0142 820 00 Telephone 46 142 820 00 Telefax 0142 820 10 Telefax 46 142 820 10 www vaderstad com ...

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