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DALBO MINIMAX 830 2008, Manual

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DALBO MINIMAX 830 2008 Manual Download Page 18

Maintenance 

Good maintenance ensures long service life and optimum use. Grease nipples are 
fitted where wear is heaviest.  
 

 

Tighten all screw connections after first working day. Check all split pins and bolts 
to avoid mechanical failure. Check hydraulic system for leaks. 

 

Lubrication 

Fig. 10 

 

 

 

A 

B 

C 

 

 

 

D 

E 

F 

 

Lubrication points 

Number  

of nipples  

Lubrication 

intervals, 

hours 

Illustra-

tion 

Flange bearings  

6 

50 

A 

Rotation pin for extending side sections 

2 

25 

C 

Extend cylinder 

2 

50 

B/D 

Rotation pin for raise/lower 

2 

50 

E 

 

 

 
Lubricate all lubrication points at least once annually. 

 

d
r

 

a
w

 

b
a

 

r
:

 

5

 

Summary of Contents for MINIMAX 830 2008

Page 1: ...MINIMAX 830 2008 EN 830 cm Serial no 100 xxx ...

Page 2: ......

Page 3: ...umber A spare parts list is included at the back of this manual EU DECLARATION OF COMPLIANCE DALBO A S DK 7183 Randbøl declares herewith that the above machine is manufactured in accordance with the provisions of directive 98 37 EC which replaced directive 89 392 ECC and change directives 91 368 ECC 93 44 ECC and 93 68 ECC on harmonisation of member state legislation con cerning health and safety ...

Page 4: ......

Page 5: ...15 OPERATION 16 EXTENDING AND FOLDING UP 16 Extending 16 Fold up 17 WEIGHT EQUALISATION 17 OPERATING SPEED 17 MAINTENANCE 18 LUBRICATION 18 ADJUSTMENT 19 Wheels 19 HYDRAULICS 19 REPLACEMENT ANDREPAIRS 20 HYDRAULICS 20 Replacing extend cylinder for folding side sections 20 Replacing raise lower cylinder 22 Replacing gaskets on raise lower cylinder 23 REMOVAL FITTING WHEEL 24 Replacing wheel bearing...

Page 6: ...HYDRAULIC DIAGRAM 28 SPARE PARTS 29 ...

Page 7: ...hine s extension radius before operating Operate machine only from inside the tractor When roller is folded together check the side sections are locked Check all op erating handles are secured against accidental operation Before leaving the tractor or making adjustments performing maintenance or repairs on the roller extend fully and lower to ground or maintain in transport position apply tractor ...

Page 8: ...ollect and deliver to a destruction point Clean hands thoroughly after contact with oil and grease Change oil stained clothing immediately Hydraulic oil can be harmful to the skin Hydraulic oil released under high pressure can penetrate the skin and cause severe injury In the event of injury seek medical help immediately Mounting Danger of crushing Ensure no personnel are between implement and tra...

Page 9: ...tor net weight If this is the case use weights on tractor front Correct use Correct use of the machine includes observing the manufacturer s operating maintenance and repair instructions and that original spare parts are always used The roller may only be used maintained or repaired by personnel familiar with it and who are aware of the risks that can be involved The manufacturer cannot be held li...

Page 10: ...Technical data MINIMAX 2008 Size cm 830 HP recommended 140 200 Gross weight kg 4100 Sections pcs 3 Axles pcs 3 Wheels 10 0 75 15 3 ...

Page 11: ... is divided into 5 main sections Safety Starting routine and running Accessories Maintenance Repairs The following symbols represent Points which are important to functionality and service life Points relevant to safety Delivery The roller is delivered complete on a trailer Always use a rig with straps attached to the mid section and ensure machine is balanced when lifting ...

Page 12: ... designed for rolling and levelling ploughed and sown are as Fig 1 The roller has three articulated sections and integrated mechan ical weight equalisation in which the sections can move inde pendently of each other MINIMAX 2008 830 ...

Page 13: ... leg if cornering sharply to the left Avoid by extending tractor towbar Hydraulics The roller requires as standard a double acting and single acting hydraulic outlet where the double acting is used for extending and single acting for rais ing lowering Table 1 Hose markings Cylinder name Colour Outlet Function Raise lower cylinder White Single acting Raises the drum up onto its wheels and down into...

Page 14: ...st be folded up transport position or extended before disconnection Lower support leg to lift roller drawbar from tractor towbar Remove pin and dis connect hydraulic hoses Remember to depressurise hoses before disconnecting them ...

Page 15: ...t be correctly set up for the tractor used Towbar height on tractor must be approx 54 cm Adjusting drawbar height Fig 3 To achieve uniform pressure applied on the ground the draw bar must be correctly set up for the tractor used Height under drawbar must be approx 54 cm Fig 4 Always ensure machine mid section A is horizontal during adjustment Always ensure machine is on a level surface to ensure c...

Page 16: ...ne Extending and folding up Extending and folding the machine up must always be performed with tractor parked Extending Fig 5 1 Lift side sections from transport hook A using raise lower cylinder marked White Fig 6 2 Activate extend cylinder marked Red to fully extend side sections 3 Activate raise lower cylinder to lower roller to ground 4 Set extend cylinder marked Red into flow position A ...

Page 17: ...e raise lower cylinder to lower roller into transport hooks Weight equalisation Spring loaded weight equalisation spreads weight equally across roller sections Weight equalisation is factory set and must not be changed by user Operating speed An operating speed of 6 10 km h is recommended but always operate according to conditions Power requirement will depend on soil type terrain and speed Table ...

Page 18: ... pins and bolts to avoid mechanical failure Check hydraulic system for leaks Lubrication Fig 10 A B C D E F Lubrication points Number of nipples Lubrication intervals hours Illustra tion Flange bearings 6 50 A Rotation pin for extending side sections 2 25 C Extend cylinder 2 50 B D Rotation pin for raise lower 2 50 E Lubricate all lubrication points at least once annually d r a w b a r 5 ...

Page 19: ...ntil hole is aligned with axle Turn wheel check for resistance A little play should be detected in the hub housing when rocking wheel from side to side If play is excessive repeat process 4 Replace split pin 5 Fill hub cap full with grease Replace Hydraulics Check all hydraulic hoses for wear or cracks Check all hoses for crimping Lubricate exposed rams with oil or pressure resistant grease to avo...

Page 20: ...tion key removed to prevent accidental start Particular attention must be paid to safety when repairing hydraulics Before commencing work depressurise hydraulic system and support part being worked on Always ensure hydraulic system is bled after repairs and before use to prevent mechanical breakdown and injury to person Hydraulics Replacing extend cylinder for folding side sections Roller must be ...

Page 21: ...s been unscrewed extend ram towards upper part Un screw and remove upper part extract ram 3 Remove lock nut pos 10 4 Remove collar shoe pos 4 5 Remove upper part from ram pos 2 6 Remove gaskets in upper part and collar shoe pos 5 6 7 8 9 use an awl or screwdriver if necessary 7 Clean all parts check for particles etc Check for rust around scraper ring pos 5 in upper part If any is detected remove ...

Page 22: ...wer cylinder Fig 18 Fully extend roller and lower onto ground Depressurise raise lower cyl inder A 1 Disconnect hoses from cylinder 2 Support cylinder 3 Remove split pins in pins remove pins 4 Remove cylinder 5 Fit new or repaired cylinder Activate raise lower cylinder after fitting until cylinder shows movement Reverse cylinder until it returns to start position Move cylinder backwards and forwar...

Page 23: ... along with collar shoe 7 Clean all parts and check for particles etc Check for rust around scraper ring pos 5 in upper part If detected remove thoroughly Mounting 1 Fit new gaskets pos 5 6 7 8 9 in upper part plus collar shoe 2 Lubricate thread in upper part pos 3 and cylinder tube pos 1 with oil 3 Fit upper part pos 3 on ram shaft 4 Fit collar shoe pos 4 and screw on lock nut secure with Loctite...

Page 24: ...move wheel Replace wheel hand tighten wheel nuts Lower wheels to ground Tighten wheel nuts to 300 Nm Ensure wheel nuts and wheel surfaces are clean to avoid nuts loosening Replacing wheel bearings Fig 22 1 Remove hub caps pos 21 2 Remove split pin pos 20 3 Remove castle nut pos 19 4 Tap out axle pos 2 5 Remove bearings pos 17 18 6 Remove seal ring pos 16 ...

Page 25: ...e fully extended with the rings resting on the ground A crane is recom mended for removal and replacement procedures Replacing side section rollers If no crane is available remove both side section axles to prevent roller tipping over Fig 23 1 Slacken bolts A 2 Attach lifting gear to box sec tion arm on side section Tighten straps until bolts A are loose and can be removed 3 Activate raise lower c...

Page 26: ...er and lower roller until wheels and rollers are resting on ground and bolts are loose 3 Remove bolts 4 Raise roller onto wheels 5 Rings can be rolled off roller 6 Reverse procedure for as sembly Do not activate hydraulics if there are personnel within machine extension radius A ...

Page 27: ...ght of any given part when removing or disassembling All parts must be supported or lifted to avoid danger of falling Disconnect hydraulic hoses and cylinders and drain oil Collect oil in container to avoid pollution Send oil and hoses for destruction All iron used in the machine can be recycled ...

Page 28: ...Hydraulic diagram Fig 25 ...

Page 29: ...Spare parts ...

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