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nokka 2051P, Installation, Operation And Maintenance Manual, Page: 1 / 37

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 2051P, 2651P, 2951P, 2962P, 3467P, 3767P 

3970P, 4772P, 4872P, 4780P, 6700P 

 

GRAPPLE LOADER 

 
 

 

 

 

Installation, operation and 

maintenance manual 

 
 

                    

NOKKA OY 

                     Forest Line      Forest Line 

 

 

     PL 4, 40951 Muurame     FIN-40950 Muurame, Finland 

 

 

   Puhelin 044 7624 510       Tel. +358 44 7624 510 

 

 

   Telefax (014) 3100 206     Fax +358 44 3100 206

 

0351600

Summary of Contents for 2051P

Page 1: ...4872P 4780P 6700P GRAPPLE LOADER Installation operation and maintenance manual NOKKA OY Forest Line Forest Line PL 4 40951 Muurame FIN 40950 Muurame Finland Puhelin 044 7624 510 Tel 358 44 7624 510 T...

Page 2: ...ical specifications 7 9 Maximum lifting table 10 15 Preparing for use 16 17 Inspection of assembly 18 Working instructions 19 Transport position 20 3 Maintenance 21 26 Safety during maintenance work 2...

Page 3: ...isuustie 4 40951 MUURAME FINLAND guarantees that the loaders Nokka 2051P Nokka 2651P Nokka 2951P Nokka 2962P Nokka 3467P Nokka 3767P Nokka 3970P Nokka 4772P Nokka 4782P Nokka 4780P and Nokka 6700P on...

Page 4: ...mmediately Identification plate the load and the model labels according to the loader 1 Identification plate HK 2051P 3TR7888 HK 2651P 3TR7901 HK 2951P 3TR7899 HK 2962P 3TR7889 HK 3467P 3TR7890 HK 376...

Page 5: ...3970P HK 4772P HK 7872P HK 4780P HK 6700P 3TR7898 3 Warning label 3TR0640 4 Manual label 3TR1320 5 Lifring point label 3TR0510 6 Model label Nokka label 3TR7729 7 Motion chart label 3TR0740 8 Danger...

Page 6: ...safety instructions in the booklet are marked with this sign Read these instructions with particular care 1 Familiarize yourself with the operation manual and carefully read the safety instructions a...

Page 7: ...b of the tractor 14 Observe safety distances from live electric conductors when using the machine 15 After the first hour of operation check all screws and nuts for tightness Perform this inspection o...

Page 8: ...ys keep equipment required by traffic laws mounted and the lights turned on Also keep the tractor s safety triangle in place Keep the reflectors and lamps clean Remember that the weight of the loader...

Page 9: ...he loader ready for work with log grab 480 kg Net lifting torque 17 5 kNm Gross lifting torque 20 kNm Swing torque 6 kNm Boom turning angle 400 o Maximum reach 5 1 m Maximum working pressure 18 8 MPa...

Page 10: ...nsion stroke 1 38 m Maximum working pressure 17 MPa Minimum hydraulic pump capacity 40 l min NOKKA 3767 P Weight of the loader ready for work with log grab 795 kg Net lifting torque 30 kNm Gross lifti...

Page 11: ...xtension stroke 1 6 m Maximum working pressure 17 MPa Minimum hydraulic pump capacity 50 l min NOKKA 4780 P Weight of the loader ready for work with log grab 1077 kg Net lifting torque 35 5 kNm Gross...

Page 12: ...a 3467P Nokka 3767P Nokka 3970P Nokka 4772P Nokka 4780P and Nokka 6700P loaders without the rotator and the log grab Lifting capacities are measured according to different boom positions Lifting capac...

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Page 18: ...legs must be mounted under the fastening bolts of the loader on the back side of the loader at the same time Tightening moment is 660 70 Nm 3 Mount the valve block with the tractor so that the contro...

Page 19: ...ng downwards the grab or the hoses of the grab rotator can get broken or the grab can break something when swinging 9 Put the front gate of the trailer in its position 10 Move all the movements of the...

Page 20: ...plings and make sure that the hoses do not rub or twist with each other Labels Check that the machine has a manufacturing label load label high voltage wire label a control valve lever operation diagr...

Page 21: ...ited 10 Get acquainted with the loader by lifting light loads first Note Never leave the loader up with or without a load unless you are present 11 If the combination tractor loader or forestry traile...

Page 22: ...er is towed by a tractor and the loader is attached to the linkage the loader grab can be attached to the frame of the forestry trailer In this case the loader valves must have a floating position for...

Page 23: ...RUCTIONS Servicing the loader carefully and at appropriate times ensures proper operation and durability of your machine In all maintenance work maintain absolute cleanliness Do not spill hydraulic oi...

Page 24: ...then tighten the tightening screw torque 10 kPm After this open the screw about 10 20 Finally screw the lock nut back and tighten it It is useful to check at times that the nut and screw have not turn...

Page 25: ...stallation CHANGING HYDRAULIC HOSES Proper installation prolongs the life of hydraulic hoses considerably Observe the following instructions while changing hydraulic hoses Check the pressure indicatio...

Page 26: ...m the telescope is adjustedin by tightening the lower tightener and again if needed by loosening the upper tightener Finally control the right tightness of the chains The right tightness is controlled...

Page 27: ...t order only by the picture compare the part to its designation Order the parts in good time from your dealer If you have lost your spare parts catalogue send the broken or worn out part as a sample E...

Page 28: ...repaint any worn or rusty spots carefully before putting it into storage Lubricate all greasing points and apply a thin layer of lubricant on places which cannot be painted or greased The place for st...

Page 29: ...tional information enclosed as requested by the manufacturer In such cases the manufacturer is liable for the return freight The warranty does not cover defects caused by normal wear and tear negligen...

Page 30: ...kg 424 kg Weight of the booms P 145 kg 180 kg 230 kg 250 kg 260 kg Loader weight without the booms N 405 kg 415 kg 450 kg 450 kg 450 kg Distance from the swing center to the gravity point of the boom...

Page 31: ...e to the distance from the vehicle rear axle centre to the tipping edge E Right angle distance from the loader boom centre of gravity to the tipping edge G Maximum load at the distance A B N Loader we...

Page 32: ...0 108 cm 402cm B cm cm n N A M2 C G B P E n 480 108 2050 80 505 402 170 118 0 97 n If n is less than 1 0 extra weight M3 is calculated by the followung formula M3 n G B P E N A M3 C C M3 Note Required...

Page 33: ...e loader swing centre to the centre of the rear axle B Right angle distance from the hanging point of the load to the centre of the rear axle C1 Wheel track E Right angle distance from the loader boom...

Page 34: ...cm C1 236cm C1 cm E L1 b 230cm 85cm 315cm E L1 b cm n M1 C1 P E G B N A 1240 236 170 315 505 595 480 85 0 74 n If n is less than 1 0 you must calculate the extra weight needed to the front of the tra...

Page 35: ...ity to the tipping edge E Right angle distance from the loader boom centre to the centre of the rear axle G Maximum load at the distance of A B N Loader weight without the booms P The weight of the bo...

Page 36: ...loader is considered stable if during the test no more than one support point comes off the ground During testing the vehicle is tilted 5 in the direction of tipping During the test the vehicle is in...

Page 37: ...NOKKA OY Forest Division Forest Division PL 4 40951 Muurame FIN 40950 Muurame Finland Puhelin 044 7624 510 Tel 358 44 7624 510 Telefax 014 3100 206 Fax 358 14 3100 206...

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