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0353750 

 

 

Nokka Oy 

Teollisuustie 4 

P.O. Box 4, FIN-40950 Muurame, Finland 

Tel. +358 44 7624 500 

Tex. +358 14 3100 205 

www.nokka.fi 

 

 

 
 

1042P, 3767P LT, 3767P HT, 4872P 

4780P, 4970, 4976, 5269, 5282, 6084 

GRAPPLE LOADER 

 

 

 

Installation, operation and 

maintenance

 

manual

 

 

Summary of Contents for 4780P

Page 1: ...isuustie 4 P O Box 4 FIN 40950 Muurame Finland Tel 358 44 7624 500 Tex 358 14 3100 205 www nokka fi 1042P 3767P LT 3767P HT 4872P 4780P 4970 4976 5269 5282 6084 GRAPPLE LOADER Installation operation a...

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Page 3: ...ACHINE IN BRIEF 7 4 2 TECHNICAL SPECIFICATIONS 7 4 3 MAXIMUN LIFTING TABLE 11 4 4 PREPEARING FOR USE 16 4 5 SCREW TIGHTENING MOMENT NM METRIC ISO STANDARD 18 4 6 INSPECTION OF ASSEMBLY 19 4 7 INSPECTI...

Page 4: ...7 HOW TO ORDER SPARE PARTS 28 8 SERIAL NUMBER 28...

Page 5: ...0 MUURAME FINLAND The compiler of this technical document Hanne yr v inen P O BOX 4 Teollisuustie 4 40950 MUURAME FINLANS guarantees that the Nokka loaders on the market is in accordance with the Mach...

Page 6: ...nd front and rear end of the machine are to be understood in reference to the driving direction 3 3 SERIAL NUMBER Write down the serial number of your machine in the space reserved for it end of the b...

Page 7: ...y Identification plate the load and the model labels according to the loader 1 Machine plate 2 Loadin label 3TR8000 3 Warning label 3TR0640 4 Manual label 3TR1230 5 Lifting point label 3TR0510 6 Model...

Page 8: ...ader that might compromise its safety performance It is forbidden to weld booms 9 Do not use the machine for purposes for which it is not intended 10 The danger area covers an area of 20 meters and in...

Page 9: ...ty can be found in the end of this booklet 21 Use only original accessories 3 6 NOISE PREVENTION Continuous exposure to noise may cause hearing problems and even a loss of hearing Noise level in the w...

Page 10: ...r s safety triangle in place Keep the reflectors and lamps clean Remember that the weight of the loader can lead to a reduction of steering control 3 9 STRUCTURAL CHANGER Do not make any structural ch...

Page 11: ...forbidden and entails invalidation of the guarantee 4 2 TECHNICAL SPECIFICATIONS NOKKA LOADER HK 1042P Weight of the loader ready for work with log grab 250 kg Net lifting torque 10 kNm Gross lifting...

Page 12: ...dy for work with log grab 965 kg Net lifting torque 36 4 kNm Gross lifting torque 48 kNm Swing torque 13 kNm Boom turning angle 400 Maximum reach 7 2 m Extension stroke 1 6 m Maximum working pressure...

Page 13: ...for work with log grab 1130 kg Net lifting torque 34 2 kNm Gross lifting torque 49 kNm Swing torque 13 kNm Boom turning angle 400 Maximum reach 7 6 m Extension stroke 2X1 25 m Maximum working pressure...

Page 14: ...Extension stroke 2X1 59 m Maximum working pressure 16 0 MPa Minimum hydraulic pump capacity 60 l min NOKKA LOADER HK 6084 Weight of the loader ready for work with log grab 1480 kg Net lifting torque 4...

Page 15: ...y of models Nokka loaders without the rotator and the log grab Lifting capacities are measured according to different boom positions Lifting capacity is approximately 145 kg lower when operating with...

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Page 20: ...me and fasten the loader with bolts and nuts M24 If the loader is installed on the loader mounting pad having an oil tank oil resistant silicon will be put between the flanges to avoid leakings Don t...

Page 21: ...jib with a movement of the transfer boom so that the boom jib is completely bent The grab has been fastened with the lifting boom loosen the grab from the boom very carefully because the grab can sli...

Page 22: ...50 5 45 60 5 70 7 90 10 M12 50 5 90 10 80 100 10 125 10 151 15 M14 80 8 140 15 125 160 15 200 20 240 20 M16 120 10 220 20 195 250 25 300 30 370 40 M18 170 15 300 30 270 350 35 430 40 510 50 M20 240 25...

Page 23: ...ake sure that the hoses do not rub or twist with each other 6 Check that the machine has a A manufacturing label b Load label high voltage wire label c A control valve lever operation diagram d A dang...

Page 24: ...r boom to hit the tractor roof If a loader is transported in the rearward position the extra weight at the rear may adversely affect the tractor steering picture 9 If the forestry trailer is towed by...

Page 25: ...rohibited 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 t...

Page 26: ...sed in servicing or installation take special care in performing any hydraulic motions 5 2 GENERAL MAINTENACE INSTRUCTIONS Servicing the loader carefully and at appropriate times ensures proper operat...

Page 27: ...n they are fully exposed Use only high quality vaseline example NESTE OH GREASE 5 4 ADJUSTING THE SUPPORT BEARING OF THE GEAR RACK Checking the tightness of the support bearings of the gear rack and t...

Page 28: ...DRAULICS Hydraulic hoses pipes and couplings should be checked from time to time to find possible fractures or leaks Replace worn or broken parts with new ones to avoid damage The return and pressure...

Page 29: ...he 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 by...

Page 30: ...ply a thin layer of lubricant on places which cannot be painted or greased The place for storage should be a dry and cool space Before cleaning disengage the hydraulic drive and stop the tractor engin...

Page 31: ...nformation 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 negligence inten...

Page 32: ...ost your spare parts catalogue send the broken or worn out part as a sample Example Nokka loader HK 4872P XXX serial number 1 pcs of 0170090 sleeve bearing WB800 45 50 40 WB802 Name___________________...

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Page 36: ...NOKKA OY Teollisuustie 4 P O Box 4 FIN 40950 Muurame Finland Tel 358 44 7624 500 Fax 358 14 3100 205 www nokka fi...

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