Service Manual
Contents
1. 3 1 2 Closing the Arms Series TA and A clamps only The short arm begins to close only after the long arm is fully closed Therefore before closing the short arm the long arm must be closed e Close the long arm fully Continue the closing function until the short arm has closed 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 10 EXO LAO IN di A ALUreAIVIO Yz 3 1 3 Clamping a Vertical Roll e Big rolls Open all arms fully Drive the truck near the roll into a position where the short arm nom moving arm just touches the roll and the roll leans against the clamp body e Small rolls Close the short arm fully if the short arm can be positioned open the long arms sufficiently Drive the truck near the roll into a position where the short arm non moving arm just touches the roll e Grip the roll by closing the long arm Hold on closing for a couple of seconds to ensure necessary clamping force Do not pump the valve e Grip big rolls max diameter max diameter 10 in such a way that the roll touches the clamp body and contact pads e Grip smaller rolls so that the center of the roll is on a line that goes through the contact pad center points e Do not grip the roll too much behind its centerline as the roll can easily slip off the clamp Furthermore do not grip any roll too far in front of i2. e Blocked hose or fitting Repair or replace Possible cause Wrong setting in the main pressure relief valve e Check clamping pressure The pressure can be adjusted by turning the adjustment screw clockwise pressure increases counterclockwise pressure decreases Never exceed the maximum operating pressure of the clamp 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved SYOJLZAIOINT A ALUreAIVIO Yz Possible cause Defective check valve e Clean or replace check valves Possible cause Leak in cylinder seals e Replace seals Possible cause Too much pressure in tank line e Check hoses and repair if needed Problem Clamping force OK load falls Possible cause Dirty contact pads e Clean the contact pads Possible cause Worn or damaged contact pads e Replace contact pads or friction surfaces Possible cause Operator error e Check that the load is clamped correctly and that there is no overloading Possible cause Wrong clamp for the load e Check if the clamp capacity opening range and arm contact pad models are suitable for the load Problem Loss of clamping force Possible cause Leaks in hoses or fittings e Check for external leaks If needed clean components before checking Possible cause Leak in check valve e Clean or replace check valves or short arm pressure relief valve Possible cause Leak in cylinder seals e Replace seals Problem
3. Clamp arms close or open too slowly Possible cause Oil flow from the pump is too small or much too big e Check the oil flow rate Possible cause Defective or too small hoses e Repair or replace with correct sizes Possible cause Defective flow divider valve Split arm models only e Check and replace 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 17 18 Problem Short arms move simultaneously with long arms series TA A only Possible cause Wrong setting in short arm pressure relief valve e Check the setting and readjust Problem Short arms do not move series TA A only Possible cause Defect in short arm pressure relief valve e Check the setting and readjust If trouble persists change valve Problem Shaking arm movement Possible cause Air in the system e Remove air by fully opening and closing arms several times Possible cause Dirt in hydraulic system e Clean system check all cartridge valves Problem Split long arms do not move at the same speed Split arm models only Possible cause Wrong setting on flow divider valve or on cylinder throttle valve defective flow divider valve e Check and readjust Check the arms for defects and wear 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved EXO LAO IN 4i P ALUreAIVIO Yz 6 Service and Repairs Perform all maintenance actions
4. Contents 1 Introduction 4 1 1 Notices 1 2 Safety Instructions 2 Installation Instructions 5 2 1 Truck Requirements 2 2 Handling and Storage 2 3 Installation 2 4 Hose Flush 2 5 Connecting the Hoses 2 6 Checks Before Operating the Clamp 3 User Instructions 10 3 1 Clamping the Paper Roll 3 2 Tilting the Roll 3 3 Positioning the Upper Frame Height 3 4 Tips for Safe Operation 4 Periodic Maintenance 13 4 1 Daily Checks 4 2 Inspection and Service 4 3 Tightening the Bolts 4 4 Lubricants 5 Trouble Shooting 15 5 1 General 5 2 Safety Warnings 5 3 Hydraulic Circuit 5 4 Trouble Shooting 6 Service and Repairs 19 6 1 Service Instructions 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 1 Introduction This manual contains installation periodic maintenance and service instructions for the series A and LA paper roll clamps All instructions include metric and U S standard measurements Please read this manual carefully before using or servicing this equipment This will ensure safe and error free operation of the clamp attachment right from the start Make sure that you know how the clamp works before attempting to use it The instructions in this service manual do not replace any existing legislation in force in connection with safety or industrial injury Abiding such legislation is the responsibility of the truck user The paper roll clamp has bee
5. e ALTERNATIVELY Position the clamp on the ground tilt the lift mast completely forward and drive the upper side of the carriage carefully under the upper hooks Ensure that the clamp is well centered and the centering peg enters in the central notch of the carriage Tilt the lift mast slowly backwards and slightly lift the carriage up Ensure that the upper mounting hooks are correctly positioned on the carriage e Install lower mounting hooks In quick change models close lower mounting hooks Note that some clamp models may require that the clamp must be rotated for easier access to the lower mounting hook screws Rotate with extreme caution only e Tighten the mounting hook screws with the requested minimum torque 540 Nm 400 ft lbs Class ISO 2328 2 ITA II 540 Nm 400 ft lbs Class ISO 2328 3 ITA III 540 Nm 400 ft lbs Class ISO 2328 4 ITA IV WARNING Upper mounting hooks and centering peg must be properly engaged to the upper carriage bar before fastening lower mounting hooks If not properly engaged the clamp can drop or move on the carriage 2 3 2 Installation of Special or Large Mountings Pin type and hook type mountings that are common in larger clamp models are normally installed as follows 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved e Remove lower pins e Hang the clamp to the truck carriage from upper hooks or pins e Center th
6. CAUTION Do not over tighten the hose fittings 2 6 Checks Before Operating the Clamp Check the correct operation of all functions of the clamp before using it for the first time with the load e Run all movements clamping and rotation several times between respective end positions e Check all cylinders valves hoses and fittings for leaks 2 6 1 Clamping Force Test lt is recommended that regular clamping force tests are carried out in order to minimize the possibility of roll damage Use suitable testing device for testing the clamping force e Check that the clamping force is maintained when clamping for an extended period of time Leave the pressure on for 5 10 minutes and check for the loss of pressure Clamping force may decrease up to 10 15 in ten minutes maximum e Check that the clamping force is correct for the load 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 3 User Instructions 3 1 Clamping the Paper Roll 3 1 1 Opening the Long and Short Arms Series TA and A clamps only Series A clamps can be supplied with short and long arm design having a sequenced short arm operation principle The short arm begins to open only after the long arm has been opened completely Therefore before opening the short arm the long arm must be open e Open the long arm fully Continue the opening function until the short arm has opened enough
7. body parts between moving clamp attachment parts Before servicing any of the clamp components turn the lift truck off and relieve the pressure off from the hydraulic circuit by actuating all the control levers several times in both directions e Clean the clamp e Carry out all routine tasks mentioned in Section 4 1 e Lubricate pivot pin bearings e Check the clamp for parts that might become defective or cause other trouble during the next service interval Especially check hinge pins and their bushings contact pads and wear plates Replace or repair all parts showing signs of excessive wear 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 13 In the next section you will find some guidelines on how to estimate the amount of wear in some parts Arm pivots pins bushings and their seats When moving arms up and down by hand the play should be less than 5 mm 0 2 inch measured from 1000 mm 40 inch arm length For longer or shorter arm lengths use the following formula max play Arm length in mm 5 1000 or max play Arm length in inch 0 2 40 If the play is greater than this and disturbs normal operations worn arm bushings or clamp cylinder bushings must be replaced 4 3 Tightening the Bolts Bolts on Bolzoni Auramo paper roll clamps are secured using LOCTITE 2 70 Bolts under high stresses are also tightened to a certain fastening torque In normal c
8. LZONI AURAMO Ltd 90C Brunswick Blvd Dollard des Ormeaux Quebec H9B 2C5 Canada Tel 1 800 685 78 71 Canada only Tel 1 514 685 78 71 Fax 1 514 685 52 38 E mail sales ca bolzoni auramo com BOLZONI AURAMO S A Av sidora Goyenechea 2925 Office 103 Las Condes Santiago Chile Tel 56 2 374 09 99 Fax 56 2 374 03 68 E mail sales cl bolzoni auramo com BOLZONI AURAMO Pty Ltd P O Box 7198 Baulkham Hills DC NSW 2158 Australia Tel 61 2 9659 22 24 Fax 61 2 9659 22 25 E mail sales au bolzoni auramo com BOLZONI AURAMO NEW ZEALAND Ltd P O Box 34941 Birkenhead Auckland New Zealand Tel 64 9 570 40 29 Fax 64 9 570 40 23 E mail sales nz bolzoni auramo com BOLZONI AURAMO SOUTH AFRICA Pty Ltd P O Box 915 Benoni 1500 South Africa Tel 27 11 421 07 38 Fax 27 11 421 52 08 E mail sales za bolzoni auramo com AURAMO BALTIC OU Suur S jam e 10 Tallinn 11415 Estonia Tel 372 6 10 11 14 Fax 372 6 10 11 58 E mail sales ee bolzoni auramo com MCGOWAN ENGINEERING LTD Lightoburn Road Cambuslang Glasgow G72 7XS Scotland U K Tel 44 141 641 3648 2359 Fax 44 141 641 51 47 E mail info mcgowaneng co uk CEMAT s r o UI CSA 196 735 51 Bohumin Pudlov Czech Republic Tel 42 69 60 13 541 3 Fax 42 69 60 13 522 E mail cemat cemat cz 960007E User Manual Series A LA TA EUROLIFT Pty Ltd 2 81 Harrison Road Dudley Park 5008 South Au
9. User Manual Series A Series LA Series TA 960007E Rev 10 07 Safety Instructions WARNING Know the capacity and limitations of your machine Do not overload the lift truck or the clamp attachment Please note that the rated capacity of the truck attachment combination may be less than the capacity shown on the attachment nameplate The lift truck manufacturer is responsible for calculating the rated capacity for the combination See the lift truck nameplate WARNING Never stand on the clamp attachment or on the load WARNING Never stand under a load or attachment WARNING Never stand in the attachment operating area or between the clamping arms WARNING Limit driving with a raised load to the minimum Never accelerate or brake powerfully with a raised load WARNING Handle only those products which the attachment has been designed for lt is unsafe to lift any other objects WARNING Do not risk the lift truck stability by sideshifting or rotating Sideshift only when the load is lowered down or near its seat Use extreme caution when handling off centered loads WARNING Always check the operating condition of the attachment before use Never use a defective or damaged attachment Repairs may be done by authorized personnel only 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved EXO LAO IN 4i A ALUreAIVIO Yz
10. ases regular re tightening of the bolts is unnecessary Should loose bolts be found during daily checks open them apply some LOCTITE 270 or any equivalent product to the bolt threads and retighten the bolts Recommended fastening torques are mentioned in the spare parts documentation 4 4 Recommended Lubricants Greases Other components Mobil Mobilplex 47 or other equivalent good quality universal greases 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved EXO LAO IN 4i P ALUreAIVIO Yz 5 Trouble Shooting 5 1 General lt is estimated that up to 80 of all trouble and defects in hydraulic systems originate from contaminated or dirty hydraulic oils Bolzoni Auramo strongly recommends that the hydraulic oil and oil filters are changed regularly 5 2 Safety Warnings During all trouble shooting operations work will be carried out near the clamp Always work safely WARNING Hydraulic components can be hot Use suitable protection Beware of leaks High pressure oil can damage the eyes and skin Always wear protection goggles having side protection Do not remove cartridge valves hoses or other potentially pressurized components when pressure is on 5 3 Hydraulic Circuit TA LA and TA Series clamps are manufactured with several different hydraulics options Every clamp has a unique spare parts book which contains a description of the hydraul
11. ax 34 938 648 350 E mail sales es bolzoni auramo com Lisboa Office Portugal Tel Fax 351 212 902551 Tel movil 351 917 884976 E mail lsilva bolzoni auramo com BOLZONI AURAMO LTD Unit 10 Taurus Park Europa Boulevard West Brook Warrington Cheshire WAR 7ZT United Kingdom Tel 44 1925 62 45 70 Fax 44 1925 62 45 78 E mail sales uk bolzoni auramo com BOLZONI AURAMO RENTAL LTD Unit 10 Taurus Park Europa Boulevard West Brook Warrington Cheshire WA5 7ZT United Kingdom Tel 44 1925 62 45 70 Fax 44 1925 62 45 79 E mail rental bolzoni auramo com BOLZONI AURAMO AB P O Box 172 80103 G vle Sweden Tel 46 26 64 72 30 Fax 46 26 64 72 35 E mail sales se bolzoni auramo com BOLZONI AURAMO S r l S S 16 Km 770 580 70052 Bisceglie BA Italy Tel 39 080 39 51 437 Fax 39 080 39 51 393 E mail sales it bolzoni auramo com BOLZONI AURAMO POLSKA Sp z o o Ul Wojciechowska 5A 7 20 704 Lublin Poland Tel 48 81 44 65 491 Fax 48 81 44 65 490 E mail sales pl bolzoni auramo com BOLZONI AURAMO BV Waterbeemd 6a 5705 DN Helmond Industrieterrein nr 8955 The Netherlands Tel 31 492 50 97 77 Fax 31 492 38 28 44 E mail sales benelux bolzoni auramo com BRUDI BOLZONI AURAMO INC 17635 Hoffman Way Homewood Illinois 60430 U S A Tel 1 800 358 54 38 USA only Tel 1 708 957 88 09 Fax 1 708 957 88 32 E mail sales us bolzoni auramo com BRUDI BO
12. e clamp e Attach lower locking pins and securing pins NOTE Check the spare parts book for possible additional instructions for installing special mountings 2 4 Hose Flush Flush the truck mast hosing before installing the clamp attachment It is estimated that up to 80 of all defects in hydraulic systems are caused by dirty hydraulic oil Oil from the mast hoses should be run through the oil filter during the flushing to minimize the amount of debris and dirt in the hoses e Connect each hose pair with suitable fittings If needed use an extra hose e Turn the truck on and actuate control valves in both directions for about 40 seconds 2 5 Connecting the Hoses For hydraulic connections standard clamps have a connection block in the clamp mounting side Fittings Metric models e 12 mm DIN 2353 M18x1 5 24 series AR 22 25 30 33 37 e 15 mm DIN 2353 M18x1 5 24 series AR 4X 5X 6X 7X Fittings U S models e JIC 8 e Attach connection hoses to clamp connection fittings Make sure that hoses do not twist when attaching the fittings e Check that hose lengths are correct Check that the hoses will not be pressed or chafed against the mast when lifting or tilting e Do not use a smaller hose bending radius than recommended by the hose manufacturer 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved EXO LAO IN di A ALUreAIVIO Yz
13. g cylinders These valves enable arm speed synchronization Resirictor valves are adjusted at our factory but due to operating conditions or wear it is possible that arms may begin to move with different speeds In this case you have to re adjust valves e Open fully adjustment screws of all restrictor valves e Test arm speeds at normal running power e Slightly tighten the adjustment screw of the arm which moves fastest Test the speed again Continue adjusting until all arm sections move at the same speed 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved EA BOLZONI S p A 29027 Casoni di Podenzano Piacenza Italy Tel 39 0523 55 55 11 Fax 39 0523 52 40 87 Internet www bolzoni auramo com E mail sales it bolzoni auramo com AURAMO OY P O Box 78 Valimotie 22 01511 Vantaa Finland Tel 358 9 82 931 Fax 358 9 87 01 037 E mail sales fi bolzoni auramo com BOLZONI AURAMO GmbH Muhlenstr 74 41352 Korschenbroich Germany Tel 49 2161 999 36 0 Fax 49 2161 999 36 99 E mail sales de bolzoni auramo com BOLZONI AURAMO SARL Rue Avogadro Technop le de Forbach Sud 57600 Forbach France Tel 33 3 87 84 65 40 Fax 33 3 87 84 65 45 E mail sales fr bolzoni auramo com BOLZONI AURAMO S L Polig Industrial Riera de Caldes C dels Basters 12 14 Apdo 62 08184 Palau solita i Plegamans Barcelona Spain Tel 34 938 648 633 F
14. ic components 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 15 5 4 Trouble Shooting Problem No pressure in the clamp Possible cause Hose connection between clamp and truck is defective e Check all connections If needed replace them Possible cause Failure in the truck hydraulic system e Check that oil is coming from truck hydraulic system Problem Pressure is on arms do not move Possible cause Incorrect hose connection e Check the hoses Rectify connections if needed Possible cause Defective check valve defective flow divider valve e Clean or replace check valves flow divider valve or short arm pressure relief valve refer to spare parts book for further details Possible cause Pressure relief valve cartridge defective or wrongly set e Replace valve or correct the setting Possible cause Leak in pressure cylinders e Check and replace seals if needed Problem Pressure is on tilting function does not work series TA only Possible cause Defective flow control valve defective tilting pressure relief valve e Clean or replace Problem Clamping force too low Possible cause Hydraulic pressure is too low e Check truck pressure settings Measure pressure coming from the truck Pressure must be the same as or higher than what is required for the clamp e Check oil level e Check for external leaks If needed clean components before checking
15. ing onto the rod from the piston end of the rod 7 Install the piston back onto the piston rod Use LOCTITE 542 to secure the joint Screw the grub screw back into piston Use LOCTITE 270 to lock the screw Install new seals on the piston 9 Ou the cylinder shell Slide piston assembly into the cylinder shell Screw the housing into the cylinder shell 10 If possible test run the cylinder before re assembling it to the clamp Max test pressure is 22 MPa 220 bar 3 200 psi 11 Check the condition of pin bushings at both ends of the cylinder and replace bushings if necessary 12 Re install the cylinder to the clamp Connect the hoses Test run all cylinder functions Check for leaks 6 1 2 Replacement of Wear Plates Outer sides of the clamping arms and contact pads may have wear plates h ee i F D D EA T The purpose of these plates is to protect the arms and pads from wearing Be ec during normal operation OS Le Plates should be replaced before they become totally worn out i KAN e LI e Remove the remnants of an old plate by for example grinding Weld wll a new plate at the same location e l e Check also if there is excessive wear on other parts of the clamp and repair if necessary 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 20 SYOJLZIOIN A NL b e chvMiC Yz 6 1 5 Split Arm Synchronization Clamps have restrictor valves in clampin
16. n designed and manufactured following basic safety requirements It is the responsibility of the user to check the rating plates on the truck and the clamp and to ensure safety of use 1 1 Notices There are three different levels of notices in this manual WARNING These paragraphs contain information that will help to prevent injuries CAUTION These paragraphs contain information that will help to prevent damage to the equipment NOTE These paragraphs contain information that will help to service the equipment 1 2 Safety Instructions Always check the operating condition of the clamp attachment before use Never use a defective or damaged attachment Never stand under a load or clamp attachment Never stand in the clamp operating area or between the clamping surfaces Handle only those products with the clamp attachment that it has been designed for It is unsafe to lift any other objects Know the capacity and limitations of your machine 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved EXO LAO IN 4i P ALUreAIVIO Yz 2 Installation Instructions 2 1 Truck Requirements 2 1 1 Clamp Attachment Rated Capacity Refer to clamp rating plate for maximum nominal clamp capacity Please note that the actual lifting capacity of a paper roll clamp is dependant on the hydraulic operation pressure contact pad friction roll wrapper friction enviro
17. nmental conditions dynamic handling situation and other load related matters WARNING Clamp attachment decreases the rated capacity of the lift truck WARNING The truck is dangerous to the driver and to persons working near the truck if the driver does not know the net working capacity Net capacity information must always be visible from the driver s seat WARNING The lift truck manufacturer is responsible for giving the final capacity rating to the forklift attachment combination 2 1 2 Operation Pressure Please refer to clamp rating plate For standard models the following information applies 160 bar 16 0 MPa 2 620 psi max working pressure on rotation clamping and opening functions 210 bar 21 0 MPa 3 040 psi max connection pressure WARNING Never exceed the maximum working pressure 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 2 1 3 Oil Flow Please refer to the documentation supplied with the clamp 2 1 4 Hydraulic Oils Use petroleum based hydraulic oil as recommended by the truck manufacturer Please contact Bolzoni Auramo before using aqueous based biohydraulic or other special oils 2 1 5 Required Hydraulic Functions Standard clamps require two hydraulic functions from the truck hydraulic system 2 2 Handling and Storage Prior to installation check the clamp carefully for possible damage occurred during transpo
18. roll edge damage e When taking a roll from the stack back away only so far as to be able to lower the roll safely Never accelerate or brake powerfully when the roll is up as this can lead to loss of balance e Do not release the roll before it is in its place Never allow the roll to fall down e Beware of slackness in the mast chains when opening the clamp arms 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved EXO LAO IN 4i P ALUreAIVIO Yz 4 Periodic Maintenance 4 1 Daily Checks Check that there are no leaks worn hoses or loosened parts Check the clamp frame and arms for defects or cracks Check that there are no sharp edges on such parts that come into contact with the load Remove any such edges for example by grinding them Check all arms and contact pads and clean them if necessary Contact pads should move easily when tested by hand Check that the clamping force is correct for your load If needed adjust the clamping pressure to suit your needs WARNING Always check the clamp operating condition before you use it Never use a defective or damaged clamp Never exceed the maximum operating pressure 4 2 Inspection and Service Carry out the following checks and services twice a year or every 300 hours whichever comes first WARNING In the following service actions the clamp is to be moved hydraulically Do not leave any
19. rtation 2 2 1 Lifting the clamp If you have to lift the clamp during installation make sure that the capacity of your lifting device is adequate WARNING Never go under a hanging load Beware of load swing when lifting 2 3 Installation Before installation carry out the following e Make sure that the lift truck fulfills all clamp requirements Section 2 1 e Make sure that the clamp mounting type and size is the same as the one used on the truck e Check that the truck s hydraulic oil level is correct 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved SCH 2 SYOJLZAIOIN di A ALUreAIVIO Yz e Check that the truck s hosing and fittings are in a good condition e Clean the truck carriage Make sure that it has no defects or wear that could prevent installation or use of the clamp 2 3 1 Installation Standard Carriages Installation on the most common lift truck standard carriages ISO 2328 classes 2 3 and 4 ITA classes Il III and IV goes as follows e Remove the lower mounting hooks Do not touch the upper mounting hooks e Ifthe clamp has quick release lower hooks it is enough just to open the hooks e Lift the clamp on the carriage so that it hangs from the upper mounting hooks Ensure that the centering peg enters in the central notch of lift truck carriage Note that the centering block can be removed for easier centering
20. stralia Tel 61 8 83 46 35 55 Fax 61 8 83 46 94 22 E mail info eurolift com au INSTANT INDUSTRIES ASIA Pte Ltd 243 Ubi Avenue 4 Intrepid Warehouse Complex Singapore 408823 Tel 65 6745 60 00 Fax 65 6745 82 22 E mail industries instant com sg INSTANT MATERIALS HANDLING SDN BHD No 23 1st Floor Jalan TSB 10A Taman Industri Sungai Buloh 47000 Sungai Buloh Selangor Malaysia Tel 60 3 6157 28 96 Fax 60 3 6157 07 81 E mail imhsb tm net my ADJL INTERNATIONAL TAIWAN LTD 4 6Fl No 28 Sec 3 Chung San North Rd Taipei Taiwan Tel 886 2 2668 67 68 69 70 Fax 886 2 2668 67 73 E mail adji saturn seed net tw SHANGHAI SOLID LIFTING EQUIPMENT Co Ltd No 108 Lane 7333 Zhongchun Rd Shanghai 201101 P R China Tel 86 21 64615027 64615028 Fax 86 21 64615026 E mail guanjie mail hf ah cn PT AURAMO Mekanika Tradindo JL Agung Perkasa 10 11 Sunter Agung Podomoro Jakarta 14350 Indonesia Tel 62 21 65 21 247 Fax 62 21 65 12 378 E mail sales id bolzoni auramo com Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 22
21. ts centerline as this can lead to the clamp frame and the contact pad corners damaging the roll e Always grip the roll so that the clamp attachment is well aligned to the roll Misalignment easily leads to roll damage When handling singular rolls always grip the roll so that the arms are centered between the ends of the roll a a C Ca ka 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 11 e When handling multiple rolls always use a clamp attachment having split clamping arms Grip rolls in such a way that each roll is clamped with own contact pad 3 2 Tilting the Roll Series TA only e Lift the roll high enough before tilting e Beware of roll touching the mast profiles during the tilting motion e Check that the lift truck capacity is adequate for tilting the rolls 3 3 Positioning the Upper Frame Height e Some series LA and A clamps have a hydraulic height positioning on the upper frame see the spare parts documentation for further details e This function has separate hydraulic control on the lift truck hydraulic system 3 4 Tips for Safe Operation e Grip the roll correctly e Drive carefully and safely Avoid strong acceleration and braking e Always drive with the load lowered down and the mast in a vertical or backward tilt position Note that too much tilt backward or forward increases the risk of
22. with the lift truck turned off and only after relieving pressure in the hydraulic circuit by actuating all control levers in both directions 6 1 Service Instructions In the following pages you will find instructions on how to perform such service actions and repairs that are outside the normal maintenance schedule WARNING Read instructions carefully before you do anything Repairs done incorrectly are safety hazards Follow all safety instructions given in previous chapters Never remove pressurized parts or hoses 6 1 1 Seal Change Clamping and Tilting Cylinders R 54 lt 901 gt CAUTION Do not scratch piston rod or cylinder barrel surfaces with sharp tools Note the direction of the seals 960007E User Manual Series A LA TA Bolzoni Auramo Group Auramo Oy 2007 All Rights Reserved 19 1 Open the cylinder housing and pull the piston rod assembly off the cylinder shell 2 Open the grub screw 53 If necessary heat the screw before opening Unscrew the piston 50 from the piston rod 20 Slide the housing 51 off the piston end of the rod Remove old seals from housing 4 Clean and check piston piston rod cylinder shell and housing See if there are any scratches wear corrosion cracks or other similar damage that could prevent normal operation of the cylinder Replace all damaged or worn parts Install new seals to the housing 6 Oil seals and piston rod Slide hous
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