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DALBO AXR-H, Manual

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DALBO AXR-H Manual Download Page 41

AXR-H 

Page 41 

6.

 

Remove the seals from the gland and the sleeve (pos. 3+4+6+8+9+11+12). 

7.

 

Clean  all  parts  thoroughly.  Check  for  filings,  shavings,  burrs  and  make  sure 
that there is no rust around the scraper ring (pos. 12) in the gland. If this is the 
case, it must be removed. 

 
Assembly 
1.

 

Assemble  the  new  seals  into  the  gland  and  the  sleeve  (pos. 
3+4+6+8+9+11+12).  

2.

 

Lubricate  the  screw  threads  on  the  gland  (pos.  10)  and  the  cylinder  casing 
(pos. 5). 

3.

 

Place the gland (pos. 10) onto the piston rod (pos. 7). 

4.

 

Mount the sleeve (pos. 2) and screw on the self-locking nut with Loctite. Make 
sure that the screw threads are completely clean and free from oil or other im-
purities before using Loctite. Do not refill the oil for the first 12 hours after the 
application of Loctite. 

5.

 

Lubricate the outermost seal on the sleeve which has contact with the cylinder 
casing and the inside of the cylinder casing with oil, and then guide the piston 
into the middle position.  

6.

 

Fit the gland onto the cylinder casing and tighten.  

7.

 

Mount the cylinder.  

8.

 

Attach the hoses. Make sure that the hoses are not caught or squeezed in any 
way and that the connections are airtight.  

  

 

After  mounting the  cylinder,  carefully raise  and  lower  the  AXR-H  several  times  to 
bleed air out of the system. Initially, do not lift the AXR-H higher than approximate-
ly 10-20 cm off the ground. Never allow bystanders within the operating radius of 
the AXR-H.  

 

Replacing Packer Roller Folding Cylinders  

The AXR-H must be unfolded and lowered so that the packer roller is resting secure-
ly on the ground. Important: Relieve the pressure in the cylinders.  

 

1.

 

Dismount  the  hoses.  (To  avoid  ground  pollution,  it  is  recommended  that  you 
collect the oil in a tray placed underneath the working area while carrying out 
repairs on the implement.). 

2.

 

Remove the split cotter pins and pins. The cylinder is now free.  

3.

 

Mount the cylinder in reverse order. Remember to make sure that the pin is en-
gaged in the stop and that the pin is secured with a split cotter pin. 

 

After  mounting the  cylinder,  carefully raise  and  lower  the  AXR-H  several  times  to 
bleed air out of the system. Do not raise the packer roller so high that it cannot be 
lowered down again. Never allow bystanders within the operating radius of the AXR-
H.  
 
Changing the seals on the packer roller cylinder  
 
Fig.36 

Summary of Contents for AXR-H

Page 1: ...AXR H GB 400 450 500 600 cm Serial number 1500 1549 ...

Page 2: ...AXR H ...

Page 3: ...ngs in compli ance with the present Traffic Act and Highway Code of the local traffic legislation Your AXR H has Serial number Type description Month of manufacture Net weight kg For prompt service always quote your machine serial number when making enquiries regard ing spare parts or service A comprehensive index of spare parts can be found in the back of this manual to give you an overview of AX...

Page 4: ...t 14 OPERATING AND DRIVING INSTRUCTIONS 15 FOLDING AND UNFOLDING 15 Folding 16 LEVELLING POSITION 16 Ridge along the middle 17 PENETRATION DEPTH 17 TRAVEL SPEED 18 Power Requirements 18 TROUBLESHOOTING 19 MAINTENANCE 20 LUBRICATION 20 SAFETY INSTRUCTIONS 21 REPLACEABLE WEARING PARTS 21 ADJUSTMENTS 21 Adjustment of the castle nuts on the side wing pivots 21 Adjusting the castle nut on the packer ro...

Page 5: ...CKER ROLLER CENTRE PIN 36 DISMOUNTING DISC GANGS 37 REPLACING F IRON CAGE ROLLER BEARINGS 38 REPLACING HYDRAULIC HOSES 38 REPLACING SIDE WING FOLDING CYLINDERS 38 Changing the seals on the side wing folding cylinders 38 Assembly 39 REPLACING WHEEL FRAME CYLINDER 40 Changing the seals on the wheel frame cylinder 40 Assembly 41 REPLACING PACKER ROLLER FOLDING CYLINDERS 41 Changing the seals on the p...

Page 6: ...deal seedbed A seed drill with a working width of 4 and 5 m can be mounted as an optional accessory The AXR H can also be equipped with optional accessories such as hydraulic depth adjustment hydraulic angle adjustment and electro hydraulic operation Advantages of the AXR H Notch less depth adjustment from 4 to 20 cm No bearing wheels to cause uneven field packing Field is left even with a uniform...

Page 7: ...driver s seat Never allow anyone to ride on the implement A higher level of noise is produced when driving on rocky soil This level is well un der the danger level for the tractor driver Driving on extremely dry soil conditions can raise a large amount of dust It is rec ommended that the windows and doors of the tractor be closed or that a dust mask be used ...

Page 8: ... slack in the lift arms Hydraulics There are varying requirements for hydraulic connections depending on the type of AXR H model see Options The standard model requires two double acting ser vices one set for wing folding unfolding and the other set for the wheel frame Table 1 Hydraulic hose markings Function Colour Wheels Yellow Folding Unfolding Red Connect the hydraulic hoses to the double acti...

Page 9: ...to move the AXR H other than by use of the three point hitch we rec ommend lifting it with straps around the middle section raising the machine so that it hangs in balance Table 2 Total Weight in kg Type 400 cm 450 cm 500 cm 600 cm AXR H 4 320 4 510 4 700 5 500 ...

Page 10: ...the lift and on the rear T ring packer roller Fig 3 To increase the working depth shorten the turnbuckles A by turning the turn buckle with the supplied combination spanner To decrease the working depth lengthen the turnbuckles The depth indicators B show the depth reading which must be equal on both packer roller sections Disc Angling The angle of the discs can be adjusted according to need As a ...

Page 11: ...transport bar of the wheel frame which ensures the correct placement of the transport safety bar The square transport safety bar must be adjusted so that there is a space of ap proximately 5 mm from the stop B on the wheel frame Fig 6 Transport locks To ensure the correct setting of the transport locks hooks a wire tightener has been mounted on the wire The wire must be adjusted so the transport l...

Page 12: ...ne Push the lock A on all disc gang so they are engaged with the mainframe Mount the lynch pins B Remember to disengage the locks before folding up the implement Hydraulic locks for 6 meter AXR H The disc gangs of the AXR H 600 are equipped with hydraulic locks as standard Fig 9 The locking system is activated when folding and unfolding the disc sections After unfolding the side wings acti vate th...

Page 13: ...ter harrows limits the amount of soil and plant residue that is cast out to the side by the outermost discs of the front disc gangs Outer harrows are designed to prevent soil and plant residue from being cast out beyond the reach of the rear discs Outer harrows afford you greater freedom with respect to travel speed since soil and residue are always kept within the reach of the AXR H regardless of...

Page 14: ...he fingers of the outer harrows can be adjusted with a pin A using approximately 30 cm as a standard setting Re member to insert the split cotter pin again Fig 11 Fig 12 The drawbar can be adjusted verti caly More adjusting can be made by turning the drawbar upside down A ...

Page 15: ...hat the fields will be left uniformly level and without any ridges Resulting surface conditions can vary depending on how you operate the tool The outermost disc in the front must run 5 10 cm from the preceding trail in order to obtain the optimum performance of the machine and to achieve a level field sur face Folding and Unfolding Fold and unfold the wings of the AXR H while the equipment is sta...

Page 16: ... to side and front to rear The AXR H must lie straight across i e perpendicular 90 to the line of travel of the tractor It must also be level front to rear or in a parallel direction i e the lift arms on the tractor hitch should be parallel to the ground It is important to maintain this level ling position to obtain level and uniform field finishing The discs can be angled according to need For he...

Page 17: ...r gangs The front discs break up the surface easier and enable the rear gangs to mix more effectively Ridges on the sides If the front gangs are set too aggressively ridges may form on the outside of the outermost discs These ridges could also appear if the driving speed is too high or if the lift is lowered too far down causing the AXR H to tilt forwards See Options Outer Harrows The angle of the...

Page 18: ... and 12 km hour is recommended Always drive according to conditions It should be noted that wear on the implement increases considerably when the travel speed is increased especially under dry soil conditions Damage to the discs may also result from driving too fast under unfavourable conditions Power Requirements Selecting the proper size tractor ensures that the operating speed can also be maint...

Page 19: ...f the sides Tilted toward one of the sides packer setting Hydraulic depth adjustment must be reset to 0 Imprecise driving too much little overlapping No penetration Angle too small on the disc gangs Check depth adjustment Side wings will not unfold Red quick coupler is not set correctly Wheel cylinders are not fully extended Side wings are stuck in the transport locks The side sections must first ...

Page 20: ...a chine Lubrication The number of grease fittings that require lubrication varies according to the dif ferent AXR H model See Options Fig 16 A B C D E F Table 5 Lubrication Points Num ber of fit tings Lubrica tion in terval hours Photo Wheel chassis suspension 2 25 A Wheel chassis cylinder top bottom 2 25 A Packer roller cylinder folding top bottom 4 50 B Packer roller pivot 2 Daily Centre pin for...

Page 21: ...in case clothing should become stained with oil remove the stained clothes immediately and wash the af fected skin areas thoroughly Oil and grease are harmful to the skin Replaceable Wearing Parts The discs and scrapers are classified as replaceable wearing parts but the wear on these parts is very limited Changing of the replaceable parts is described under Replacements and Repairs To adjust the ...

Page 22: ...hole in the axle lines up with the notches of the castle nut Remember to insert the slotted split pin The packer roller sections which are suspended must never be tightened more than they are able to freely fall back into a horizontal position after they have been moved vertically Wheels Lubricate and adjust the wheel bearings once a year Make sure that the tyre pres sure is 3 9 bar for 500 55x15 ...

Page 23: ...that it jiggles from side to side If there still is some slack in the hub repeat the process 5 Replace the split cotter pin 6 Fill the hubcap full with lubricant and reinstall For wheel mounting see Dismounting mounting of wheels General Information Avoid spilling oil on the ground If this should happen collect as much oil as possi ble and dispose of it properly If the harrow is parked in an area ...

Page 24: ...ding systems will function as two separate systems see hydraulic di agram 3 Fasten the incoming hoses to the AXR H and connect the hoses to one of the tractor s double acting female coupling Move the packer roller folding cylin ders until they are fully extended several times in a row to bleed air out of the system Never allow bystanders within the operating radius of the AXR H when the folding de...

Page 25: ...oses do not get caught or squeezed when the side wings fold up into the transport posi tion 6 Connect the hydraulic hoses to a double acting outlet on the tractor Activate the angle adjustment in the fully extended position to bleed air out of the sys tem 7 Check the hydraulic system for leaks Never allow bystanders within the operating radius of the AXR H when the angle adjustment is activated Ta...

Page 26: ...only two hydraulic hoses to be connected to the tractor To activate a function turn on the switch related to the function and move the hy draulic handle After completing the operation turn off the switch and another function can be activated A function that is frequently used for field work can be left on and in this case the hydraulic handle can simply be moved when needed A green light is lit wh...

Page 27: ... are clean Fig 21 F iron cage roller An F iron cage roller can be mounted behind the packer roller to achieve additional field finishing The F iron cage roller is constructed as a roller yet has a smaller di ameter than the packer roller This reduced diameter provides a faster rotation thereby crushing clods more effectively At the same time it further packs the sur face soil for improved moisture...

Page 28: ... roller must be adjusted according to depth and field conditions Fig 23 Move the pin A to adjust the pres sure of the F iron cage roller The pressure of the cage roller must not be greater than necessary In creased wear and load on the ma chine will result A ...

Page 29: ...low bystanders within the operating radius of the AXR H while the hydraulic units are in operation This area is considered to be fatally dangerous When dismounting mounting components always pay careful attention to the weight of the part you are about to handle It is important to support or secure the part so that it cannot fall Replacing Disc Bearings Before changing the bearings the AXR H must ...

Page 30: ...that the final tightening of the nut be carried out after the shaft has been mounted onto the AXR H 4 Roll the assembled shaft under the AXR H The holes of the bearings must be lined up with the flanges of the AXR H Performing repairs or maintenance work under the AXR H when it is raised from the ground requires strong support from underneath No one is allowed under the AXR H unless it is firmly b...

Page 31: ... B N S N S B N 2253 450 11 discs back s S B N S N S B N S N S B N 2487 AXR H 11 discs front S B N S N S B N S N S N B S 2487 500 12 discs back s N S B N S N S B N S N S B N 2721 AXR H 8 discs front inside S B N S N B S N S B N 1785 600 5 discs front outside S B N S N B S 1083 8 discs back inside S B N S N B S N S B N 1785 6 discs back outside s N B S N S B N 1317 N NOTCHED DISC S SMOOTH DISC s SMA...

Page 32: ...he inner ring may remain inside the housing Tap the inner ring out with a mandrel Be careful not to damage the housing 5 Press or knock the inner ring out of the hollow shaft pos 9 6 Clean all parts that will be used again Assembly 1 Mount the outer ring into the housing Since these bearings are conical roller bearings it is important that the outer ring is facing in the right direction so that th...

Page 33: ...earings are facing in the right direction see spare parts drawing 2 If necessary place washers in between them to eliminate slack Secure the set screws with Loctite Replacing Scrapers Change the scrapers when they are so worn that they no longer can perform satis factorily Packer Roller Scrapers The scrapers and bearings on the packer roller shaft are held by the same bolts For removal of the scra...

Page 34: ... when you lift in the lift arm connection this is a sign that the bushings are worn On top of the vertical turning axle there is a glacier washer to absorb pressure and inside the tube there are two bushings Fig 28 1 Unhitch the AXR H from the tractor and rest it on the support bar 2 Remove the bolt A together with the washer and then the axle B can be pulled out It is important to suspend the dra...

Page 35: ...packer roller and move it back and forth If there is too much slack inside the arm of the packer roller the bushings are worn Fig 29 Seen from the front Seen from the back 1 Follow points 1 to 3 under Replacing Packer Roller Centre Pin 2 If there is hydraulic depth adjustment on the packer roller dismantle the hoses that are attached to the arm 3 Remove the pin A 4 Suspend the arm of the packer ro...

Page 36: ...nsert new bushings and mount the frame of the packer roller again Remember to insert the split cotter pin 6 Mount the turnbuckle together with the depth indicator Remember to insert the split cotter pins Replacing Packer Roller Centre Pin 1 Follow points 1 to 3 under Replacing Packer Roller Depth Adjustment Bush ings 2 Suspend from the pivot 3 Tap out the slotted split pin B and unscrew the castle...

Page 37: ...move the split cotter pin and the castle nut B 6 Raise the AXR H carefully with the tractor s lift and also by means of the wheel frame on the AXR H so that the main frame is pulled out of the pin The crane should not lift the disc gangs but rather just support the disc gangs so that they do not tip over when the pin is pulled out of the bushing 7 It is necessary to dismount the disc shaft in orde...

Page 38: ...iscs are resting on the ground It is important to remove the pressure from the cylinders Fig 33 1 Remove the hoses To avoid ground pollution it is suggested that you collect the oil in a tray placed 2 Underneath the working area while making repairs to the machine 3 Remove the split cotter pins and the pins The cylinders are now free 4 Mount a new cylinder in reverse order Remember to make sure th...

Page 39: ...it must be removed Assembly 1 Assemble the new seals into the gland and the sleeve 2 Lubricate the screw threads on the gland pos 11 and the cylinder casing with grease or a corrosion inhibiting anti seize lubricant 3 Mount the gland pos 11 onto the piston rod 4 Mount the sleeve pos 4 and screw on the self locking nut with Loctite Make sure that the screw threads are completely clean and free from...

Page 40: ...d the pin The cylinder is now free 3 Mount the cylinder in reverse order Remember to make sure that the pin is en gaged in the stop and that the pin is secured with a split cotter pin After mounting the cylinder carefully raise and lower the AXR H several times to bleed air out of the system Initially the AXR H must not be lifted higher than 10 20 cm from the ground Never allow bystanders within t...

Page 41: ...that the hoses are not caught or squeezed in any way and that the connections are airtight After mounting the cylinder carefully raise and lower the AXR H several times to bleed air out of the system Initially do not lift the AXR H higher than approximate ly 10 20 cm off the ground Never allow bystanders within the operating radius of the AXR H Replacing Packer Roller Folding Cylinders The AXR H m...

Page 42: ...eals into the gland and the sleeve pos 5 6 7 8 9 2 Lubricate the screw threads on the gland pos 3 and the cylinder casing pos 1 3 Place the gland pos 3 onto the piston rod 4 Mount the sleeve pos 4 and screw on the self locking nut with Loctite Make sure that the screw threads are completely clean and free from oil or other im purities before using Loctite Do not refill the oil for the first 12 hou...

Page 43: ...n now be lifted out 3 Assemble the hydraulic angle adjustment in reverse order After assembling the hydraulic angle adjustment bleed air out of the system by moving the cylinder back and forth to the fully extended and retracted positions Always bleed air out of the system while the machine is unfolded Never allow bystanders within the operating radius of the implement when operat ing the angle ad...

Page 44: ...ase or oil 3 Place the gland pos 11 onto the piston rod pos 6 4 Mount the sleeve pos 3 and screw on the self locking nut with Loctite Make sure that the screw threads are completely clean and free from oil or other im purities before using Loctite Do not refill the oil for the first 12 hours after the application of Loctite 5 Lubricate the outermost seal on the sleeve which has contact with the cy...

Page 45: ...ngs burrs and make sure that there is no rust around the scraper ring in the gland If this is the case it must be removed Assembly 1 Assemble the new seals into the gland and the sleeve 2 Lubricate the screw threads on the gland and the cylinder casing 3 Place the gland onto the piston rod 4 Mount the sleeve and screw on the self locking nut with Loctite Make sure that the screw threads are comple...

Page 46: ...e the inner ring from the little bearing onto the axle 5 Screw the castle nut onto the axle and turn the hub at the same time Tighten the nut until there is a slight drag on the wheel as it is turning Next loosen the castle nut and back off until the split cotter pin is lined up with a hole in the ax le and also the castle nut If the wheel is still sluggish when it turns loosen the castle nut unti...

Page 47: ...AXR H Page 47 Hydraulic diagram 400 450 500 ...

Page 48: ...AXR H Page 48 Hydraulic diagram 600 ...

Page 49: ...that it cannot fall It is an advantage if a crane is available In case skin should come in contact with oil or grease or in case clothing should become stained with oil remove the stained clothes immediately and wash the af fected skin areas thoroughly Dismount all hydraulic hoses and cylinders and empty the oil To avoid pollution of the ground and the surrounding area collect the oil Dispose of t...

Page 50: ...AXR H Page 50 Spareparts ...

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