Stark U-plow UA 4200/2400 User And Maintenance Manual Download Page 2

 

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Introduction 

Congratulations for choosing STARK U-plow! 

We at the STARK want your plow to serve you the best possible way, efficiently and for a long time. Therefore, please 
read this manual before taking your new plow in use. 

STARK products are designed and manufactured in Finland and each 

attachment is equipped to meet the customer’s 

needs. 

Make sure that everyone using and servicing the plow reads this manual beforehand! Always ensure safety while using 
and servicing the plow. Please keep this manual and make sure to pass it on to a possible new owner.  

Development of STARK products is based on quality, durability and economical use. Products have been designed to be 
efficient, safe and durable in professional use. Feedback and customer experience are important to us for our future 
development. Also, if you have any questions regarding operation or maintenance of the plow please contact us by 
email

[email protected] 

 

New innovations and all our products can be found on our website: 

www.stark.fi

  

Manufacturer reserves the right to structural and technical changes without notice. Information in the manual may 
therefore have changed after printing. 

 

Read before use 

Familiarise yourself with the attachment before taking it in use. 

The plow should be operated only by proficient users.  

People working with this attachment should be thoroughly introduced to operation 
and maintenance of it. People not acquainted with the plow may cause danger to 
themselves, environment or the attachment. 

When connecting the attachment, please pay attention: 

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that the locking pins and cotter pins are fine 

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there is no pressure in the hydraulics system 

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that the hydraulic hoses are intact  

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when connecting the hydraulics avoid skin contact with hydraulic fluid 

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do not pull from the hose, only from the coupling 

While operating, please pay attention: 

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safe and appropriate speed 

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other traffic, people and animals 

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danger zones and visual obstacles 

-

 

device should not be used when someone is in the danger zone 

-

 

be careful around children 

-

 

do not go under the attachment

 

 

Summary of Contents for U-plow UA 4200/2400

Page 1: ...Original Instructions User and Maintenance Manual U Plows for machines over 10 t ...

Page 2: ...rk fi New innovations and all our products can be found on our website www stark fi Manufacturer reserves the right to structural and technical changes without notice Information in the manual may therefore have changed after printing Read before use Familiarise yourself with the attachment before taking it in use The plow should be operated only by proficient users People working with this attach...

Page 3: ...s 14 7 5 Adjusting ACS Anti Collision System springs UA models 16 7 6 Adjusting flotation 18 7 7 Adjusting support legs 19 7 8 Adjusting blades 19 7 9 Adjusting perforated blades 20 7 10 Adjusting flat blades 21 7 11 Uninstalling the plow 22 7 12 Transferring the plow 22 7 13 Accessories 22 8 MAINTENANCE OF THE PLOW 23 8 1 General cautions concerning use and maintenance of the plow 23 8 2 Tighteni...

Page 4: ... UAR 6000 3000H UAR 6600 3000H Manufacturer Lametal Oy Kaskenviertäjäntie 2 FIN 73100 LAPINLAHTI tel 358 17 731 565 Hereby declare that the following machinery fulfils all the relevant requirements of EC Machinery Directive 2006 42 EC and the following standards SFS EN ISO 12100 1 SFS EN ISO 12100 2 SFS EN 1050 The Technical Construction File is maintained at Lametal factory The authorized represe...

Page 5: ... While operating please pay attention safe and appropriate speed other traffic people and animals danger zones and visual obstacles device should not be used when someone is in the danger zone be careful around children use flashing light while plowing do not go under the plow While servicing the plow the base machine s hydraulics must be switched off the base machine turned off and the parking br...

Page 6: ...ation plate Please write below the product type and serial number of your U plow Product _________________________________________Serial number_____________________________________ 4 2 Maintenance and parts service Only original parts should be used when making repairs By using original parts you can ensure proper operation and warranty coverage When inquiring and ordering parts please give the pr...

Page 7: ...ing 3 Right wing 4 Turning frame 5 Blade frame 6 Turning cylinder 7 Inner turning cylinder of the wing 8 Outer turning cylinder of the wing 9 Blade frame spring Blade frame RELAX spring UAR models 10 Fitting flotation frame 11 Support leg 12 Support plate 13 Valve fitting 14 Side wear blade ...

Page 8: ...re compatible in terms of mechanical solutions hydraulics and electricity 2 Apply parking brake The plow is attached to the coupler on the base machine e g a loader Attach the plow to the base machine and make sure the locking cotters and pins are secured 3 Turn off the base machine and make sure the parking brake is applied 4 Make sure there is no pressure in the base machine hydraulic system Whe...

Page 9: ...aulic system When connecting always make sure the hydraulic connectors are clean and the hoses are intact 5 Check the attachment s the base machine s and the fitting s trajectory for collision Make sure that the hydraulic hoses and attachments have enough space If needed change the places of the hoses in the base machine 6 The optimal position for plowing flotation in middle position and plow perp...

Page 10: ... 4 Picture 4 Cylinder piston is at the bottom in extreme positions Plow with the wings open picture 5 and close them a little when snow accumulates picture 6 Just before reaching the embankment turn the wings fully upfront picture 7 to pack the snow and lift the snow on top of the embankment with the front loader NOTE The plow may be raised to the top position before reversing tilt the plow toward...

Page 11: ...Page 11 30 Picture 6 Gathering snow Picture 7 Packing snow ...

Page 12: ...Page 12 30 Picture 8 Gathering snow while reversing NOTE If the wings are straight back picture 8 while driving forward the blades of the side wings and middle wing may collide ...

Page 13: ...ve packed snow Turn wings straight back Picture and tilt the plow slightly forward Push flotation to the bottom press slightly with the loader and drive slowly forward NOTE The blades of the side wings and middle wing may collide drive carefully Picture 9 Removing packed snow ...

Page 14: ... the obstacle Picture 11 When the obstacle is passed and pressure returns to normal the spring pushes the blade frame back into the locked position Picture 10 Picture 10 RELAX mechanism Picture 11 RELAX mechanism released The amount of pressure which releases the lock can be adjusted by changing the angle of the joints picture 12 Larger the angle the more easily the lock releases When the adjustme...

Page 15: ...Page 15 30 Picture 12 RELAX mechanism s adjustment nut Picture 13 Minimum α angle of the joints must be at least 5 Picture 14 Adjustment of the RELAX spring Locking nut Tension nut Adjustment nut ...

Page 16: ...blade easily digs into an uneven surface When hitting an obstacle the ACS enables the blade frame to swivel backwards picture 17 and jump over the obstacle Picture 16 Blade in normal position Picture 17 Blade frame swivelling Rigidity of the blade frame can be adjusted by changing the rigidity of the spring At the factory the spring is pre strained by 15 mm which should not be changed without vali...

Page 17: ...djusting to avoid exceeding the minimum length The nut on top of the spring does not need to be adjusted This nut affects the angle of the blade frame with the wing which has been set in line at the factory By tightening the nut the blade frame can be tilted backwards If adjusting the angle of the blade frame the length of the spring needs to be controlled not to exceed the limit Length of the spr...

Page 18: ...lts so that the sliding plates are pressed against the floating frame main bolts 6 pcs in Picture 2 then tighten also the adjustment bolts all the way to the bottom adjustment bolts 4 pcs in Picture 3 loosen the main bolts only and then tighten the adjustment bolts one round 360 each 4 then lock this spacing of the sliding plates by tightening the nuts of the adjustment bolts 5 finally tighten the...

Page 19: ...p the blade from sinking into soft ground Adjust the support legs a little higher than the blade to reduce formation of packed snow Picture 20 Adjustment handle of the support leg Picture 21 Correct height of the support leg 7 8 Adjusting blades Edge of the blade should be 15 45 mm lower than the blade frame Blades need to be adjusted at the latest when the blade edge is less than 10 mm lower than...

Page 20: ...ed M20 washer is added under the bolt for getting a better grip on it picture 23 The bolts are removed and the blade lowered until a hole on the blade frame can be seen again The bolts are attached now to the holes next to the ones they were attached to before picture 24 This enables the blade to be lowered appropriately Picture 3 Picture 23 M20 washer is added under the bolt Picture 24 The first ...

Page 21: ...e blade edge wears out it is lowered and attached from the upper holes of the blade Picture 5 Next time the blade is turned and again attached from the lower holes Picture 6 When the blade edge wears out again it is lowered by attaching it from the upper holes Picture 7 When the blade edge wears out in this position it needs to be replaced Picture 4 New blade Picture 5 Lowered blade Picture 6 Turn...

Page 22: ...plings with plugs Open the mechanical locking and loosen the plow If the plow is left unused for a long time it needs to be cleaned well and lubricated before storage 7 12 Transferring the plow Lift the plow high enough and slow speed if needed especially when there are bumps or slopes in the road The plow or the base machine can be damaged due to excessive speed 7 13 Accessories Led light set 2 l...

Page 23: ...7 3 M10 54 M12 93 M14 148 M16 230 M18 329 M20 464 M22 634 M24 798 M27 1176 M30 1597 M33 2161 M36 2778 M39 3597 Figure 1 Tightening torgue 8 3 Daily maintenance It is important to perform a daily visual inspection of the plow for early detection of possible faults and to prevent further damage Inspect the following items on the plow daily Possible leaks of the hydraulic hoses and components General...

Page 24: ...ins 4 pcs total 8 pcs 2 Outer turning cylinders on both end 1 pc total 4 pcs 3 Inner turning cylinders on both end 1 pc total 4 pcs 4 Support legs 1 pc on the handle and 1 pc at the side total 4 pcs 5 Middle wing s turning pin 2 pcs on the side 6 Middle wing s turning cylinders on both ends 1 pc total 4 pcs ...

Page 25: ...ty of the customer The minimum requirement of U plow for hydraulics is one double acting hydraulic block and a return line which can be replaced by accumulator Alternatively the plow can be connected by 4 5 6 or 7 hose hydraulic system hydraulic diagrams of these are below 9 1 2 and 3 hose hydraulics Below diagram of the 3 hose hydraulic system The 2 hose hydraulic system is otherwise the same but...

Page 26: ...30 9 2 4 and 5 hose hydraulics Below diagram of the 5 hose hydraulic system The 4 hose hydraulic system is otherwise the same but the return line T is replaced by accumulator A Chart 2 4 and 5 hose hydraulics A ...

Page 27: ...30 9 3 6 and 7 hose hydraulics Below diagram of the 7 hose hydraulic system The 6 hose hydraulic system is otherwise the same but the return line T is replaced by accumulator A Chart 3 6 and 7 hose hydraulics A ...

Page 28: ...ey NOTE Adjust only little with round at a time and test function Relief valves of the middle wing can be adjusted by loosening the locking nuts and turning the valve with flat screwdriver NOTE Adjust only little with round at a time and test function In the 6 2 electric valve picture 32 the relief valves can be adjusted by removing the cap loosening the locking nut with 13 mm spanner and adjustin...

Page 29: ...and double relief valve Picture 33 Relief valves of 8 4 electric valve Left turning cylinder Right turning cylinder Right wing Left wing Right turning cylinder s adjustment can be found at the back not in the picture Right wing Left wing Left turning cylinder ...

Page 30: ...allowances travel costs or uninstalling and reinstalling work are not reimbursed by the manufacturer Indirect costs resulting from the warranty repair work e g lost working hours are not reimbursed by the manufacturer Parts replaced under warranty remain as manufacturer s property The customer shall store the replaced parts for six 6 months unless otherwise agreed and deliver them on request back ...

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