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4  HYDRAULIC SYSTEM 

 

                                                                                                                                                                                                        Pag. 16 di 33

 

 

4

 

HYDRAULIC SYSTEM  

4.1

 

Hydraulic system 

 TYPE 675 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TYPE 675 ISO III 

Picture 12

 

 

CYLINDERS 

POWER SUPPLY 

80 bar 

80 bar 

Summary of Contents for 675

Page 1: ...atib com I D02 01 53 Rev 2 INSTRUCTIONS MANUAL FOR USE FORK POSITIONER TYPE 675 676 ...

Page 2: ...em TYPE 675 16 4 2 Hydraulic system TYPE 676 18 5 USE RULES 20 6 PERIODIC MAINTENANCE 23 6 1 Maintenance every 100 hours 23 6 2 Maintenance every 300 hours 23 6 3 Maintenance every 1000 hours 24 6 4 Maintenance every 2000 hours 24 7 DISASSEMBLY PROCEDURE 25 7 1 Disassembly attachment from forklift 25 7 2 Disassembly the forks from attachment 26 7 3 Removal of fork cylinders from the attachment 27 ...

Page 3: ...Pag 2 di 33 8 BREAKDOWNS AND SOLUTIONS 31 8 1 Breakdowns and solutions 31 8 2 Lubrication 32 ...

Page 4: ...1 SAFETY RULES Pag 3 di 33 1 SAFETY RULES Don t carry passengers Don t cross the mast Don t pass under the load Swing Up Direction 75mm ...

Page 5: ...be lost the operator can apply for the supply of further copies from the manufacturer The manufacturer is not liable in cases of Improper use of the attachment Use by untrained personnel Use contrary to current national and international laws Lack of recommended maintenance Non authorised modifications and repairs Use of non original spare parts or parts for other models Failure to adhere either t...

Page 6: ...2 INTRODUCTION Pag 5 di 33 2 2 Description of equipment TYPE 675 TYPE 676 ...

Page 7: ...the serial number 1 TYPE 8 NOMINAL CAPACITY kg mm 11 MAX TORQUE daN m 2 CODE 9 CLAMPING CAPACITY kg mm 3 SERIAL N 4 YEAR OF MANUFACTURE 10 MAX OPERATING PRESSURE bar A T I B S r l Via Quinzanese snc 25020 Dello BS ITALIA 39 030 9771711 info atib com atib com 5 WEIGHT 6 THICKNESS WARNING RESPECT THE RATED CAPACITY OF TRUCK AND ATTACHMENT COMBINED 7 CENTER OF GRAVITY Tab 1 TYPE 675 TYPE 676 Picture ...

Page 8: ...ad itself 9 CLAMPING CAPACITY Not applicable to this equipment 10 MAX OPERATING PRESSURE It indicates the maximum pressure applicable to the equipment 11 MAX COUPLE Not applicable to this equipment The A T I B FORK POSITIONER TYPE 675 676 were planned and built to enable the distance adjustment between fork centres through two cylinder hydraulic actioning and the sideshifting of the forks by hydra...

Page 9: ...PE and ISO CAPACITY l mm Max operating pressure Bar Min Max recommended 675 ISO III 15 25 20 80 675 ISO IV 35 60 45 80 676 ISO III 15 10 25 20 20 15 80 676 ISO IV 35 12 60 25 45 18 80 Tab 2 values in bold refer to sideshift The forklift manufacturer is responsible for calculating the residual capacity of the forklift equipment assembly WARNING RESPECT THE MAXIMUM WORKING PRESSURES INDICATED WARNIN...

Page 10: ... the fork carriage ensuring that it is not deformed 2 Also make sure that the profiles of the fork holding plate are not deformed in order to allow a good coupling with the equipment 3 Check the condition of the pipes replacing those that are in a bad condition 4 Unscrew the lower hooks of equipment Picture 3 TYPE 675 Picture 3 ...

Page 11: ...y sized for the weight of the equipment indicated on the identification plate Picture 1 Tab 1 pag 6 6 with an overhead crane or with a hoist of sufficient capacity hook the attachment to the fork carriage placing the centring tooth B into the central notch Picture 4 Picture 4 ...

Page 12: ... 5mm Picture 5 reaching to the following torques Tab 3 8 Install the forks 9 Lubricate the contact parts 10 Connect the hydraulic circuit making sure that the operating pressure of the pipes is higher than or equal to that indicated on the identification label Picture 1 Tab 1 pag 6 ISO 2328 THREAD TORQUE ISO III M14 140 Nm ISO IV M16 220 Nm Tab 3 Picture 5 ...

Page 13: ...e not deformed in order to allow a good coupling with the equipment 3 Check the condition of the pipes replacing those that are in a bad condition 4 Manually take the double hook A with the relative sliding bushings after having unscrewed the screws of the protective fold P and place it on the upper profile of the fork holder plate taking care to fit the centring pin C in the central notch of the ...

Page 14: ... use belts or chains appropriately sized for the weight of the equipment indicated on the identification plate Picture 2 and Tab 1 pag 6 7 with an overhead crane or with a hoist of sufficient capacity hook the attachment on the double hook taking care to position the equipment correctly Picture 8 Picture 8 Picture 7 ...

Page 15: ... a tolerance max 1 5mm Picture 9 reaching to the following torques Tab 4 10 Install the forks 11 Lubricate the sliding parts 12 Connectthehydraulic circuit makingsurethattheoperatingpressureof thepipesis higher than or equal to that indicated on the identification label Picture 2 and Tab 1 pag 6 ISO 2328 THREAD TORQUE ISO III M14 140 Nm ISO IV M16 220 Nm Tab 4 Picture 9 ...

Page 16: ...n the attachment 1 Apply the forks after unscrew the fork blocks from fork holders Picture 10 the fork installation procedure is the same for both types 2 Apply the forks and screw back the fork blocks Picture 11 FORK INSTALLATION Picture 10 Picture 11 ...

Page 17: ...4 HYDRAULIC SYSTEM Pag 16 di 33 4 HYDRAULIC SYSTEM 4 1 Hydraulic system TYPE 675 TYPE 675 ISO III Picture 12 CYLINDERS POWER SUPPLY 80 bar 80 bar ...

Page 18: ...4 HYDRAULIC SYSTEM Pag 17 di 33 TYPE 675 ISO IV POWER SUPPLY CYLINDERS Picture 13 ...

Page 19: ...4 HYDRAULIC SYSTEM Pag 18 di 33 4 2 Hydraulic system TYPE 676 TYPE 676 ISO III Picture 14 SIDESHIFTING CYLINDERS CYLINDERS POWER SUPPLY 80 bar 80 bar ...

Page 20: ...4 HYDRAULIC SYSTEM Pag 19 di 33 TYPE 676 ISO IV POWER SUPPLY CYLINDERS Picture 15 SIDESHIFTING CYLINDERS ...

Page 21: ...ropriateequipmentforthetypeofintervention to be carried out 9 Carry out maintenance and or repair operations with the forklift stopped and with the hydraulic circuit not active using suitable protective equipment gloves safety shoes etc 10 Operate the piston rods only when they are correctly mounted on the equipment Otherwise the piston rods could be violently ejected by the oil pressure The consi...

Page 22: ...ill be multiplied with nominal capacity of the equipment The result of this multiplication will be actual capacity of the attachment Continuous line is for equipment with load center at 500 mm Dotted line is for equipment with load center at 600 mm NOTE This calculation is valid only for stable load in case of movement of liquid material please contact the producer The affordable stroke can compro...

Page 23: ...be taken into consideration as regards specific occasions Side shifting movement is forbidden in movement Side shifting movement in condition of lifted mast is permitted only to bring back the load at the center of the mast Nominal capacity of thecombination forklift attachment is established by the producer of the forklift and can be lower than the one indicated on the identification label of the...

Page 24: ...hooks of the equipment verifying that it is as indicated in Tables Tab 3 pag 11 and Tab 4 pag 14 and if necessary intervene on the tightening of the screws that support them 3 Check the clearance between the lower part of the fork holder plate and the lower hooks of the equipment verifying that it is as indicated in Pictures Picture 5 pag 11 Picture 9 pag 14 and if necessary intervene on the tight...

Page 25: ...f all equipment components cylinders hooks gaskets fittings grease nipples etc verifying that their conditions are optimal and if there are worn components proceed with their replacement repair Check the condition of the sliding and working surfaces and proceed with their replacement repair if they are damaged For further possible problems and relative solutions refer also to Tab 5 a pag 31 2 Disa...

Page 26: ...ns indicated in the fork s installation phase in reverse 3 Unscrew the lower hooks of equipment Picture 3 and Picture 7 pag 9 and 13 4 For handling use belts or chains appropriately sized for the weight of the equipment indicated on the plate 5 with an overhead crane or with a hoist of sufficient capacity hook the attachment and remove it from forklift Picture 4 and Picture 8 pag 10 and 13 ...

Page 27: ...SEMBLY PROCEDURE Pag 26 di 33 7 2 Disassembly the forks from attachment 1 Relieve the pressure of the hydraulic system 2 Remove the forks after unscrewing the fork blocks Picture 17 FORK DISASSEMBLY Picture 17 ...

Page 28: ...3 Removal of fork cylinders from the attachment 1 Relieve the pressure of the hydraulic system 2 Remove the fork blocks A and subsequently the fork holders B Picture 18 3 Remove the attachment from fork carriage point 07 01 pag 25 Picture 18 ...

Page 29: ...7 DISASSEMBLY PROCEDURE Pag 28 di 33 4 Remove the cylinders from their seats after removing the relative snap rings Picture 19 Picture 19 ...

Page 30: ...er jaws taking care not to deform the housing 2 with a sector wrench unscrew the cup T 3 If you find itdifficultto unscrew thecap itisnecessary to slightlyheatthearea of thethread concerned to facilitate unscrewing 4 Unscrew the stem C 5 Disassemble separate the rest of the components and seals from each other 6 Replacing the worn components follow the previous steps in backwards re lock the cap a...

Page 31: ...om forklift follow the point 07 01 pag 25 3 Remove double hook A after having unscrewed the screws of the protective fold P 4 Remove the stems and relative seals from their seat one at a time 5 Replacing the worn components follow the previous steps in backwards 6 If there is a damaged seal it is advisable to replace the entire kit 7 Refer to Picture 21 Picture 21 ...

Page 32: ... and joints Tighten the joints or replace them Leakage of oil from the cylinders Replace seals or if necessary the cylinders Loss load while sideshifting Lower the side shift pressure Loss load Verify the blades cambering s Slow opening and closing Low oil flow Check the tank level and the pump Bottlenecks in the system Search and delete them Insufficient pressure Set the maximum pressure valve Me...

Page 33: ... BREAKDOWNS AND SOLUTIONS Pag 32 di 33 8 2 Lubrication 1 Lubricate the sliding parts using the special grease nipples 2 Lubricate the slide and relative scroll bar Picture 23 TYPE 675 TYPE 676 Picture 22 ...

Page 34: ...atib com I D02 01 53 Rev 2 A T I B S r l Via Quinzanese snc 25050 Dello BS ITALIA Tel 39 030 9771711 info atib com follow us ...

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