AGS Sensor SERVICE MANUAL
Contents
1. holder The electrical cables must remain connected since we need the sensor online when we do the service It is not allowed to turn the AGS house when the sensor is mounted into a refiner The internal TDC connector will break if the house is turned and the sensor tip is jammed with the stator plates Hold the house still and turn the brass holder with the special 40 mm tool until the sensor can be pulled out When mounting the sensor hold the house still and turn the holder until it hits the segment plate DO NOT pull to tight excessive force will damage the brass edge in the holder with the result that the sensor is not aligned with the stator plate The tip will protrude into the refining zone which will give a lower gap reading than the true one Then make sure that the nut of the holder is tightened to the sensor flange Use the special tool and hold the sensor with your hand AGS XXX Service Manual EN docx Jan 17 2012 BL Page 3 of 9 AGS XXX SERVICE MANUAL 3 House to holder coupling 3 1 AGS XXX types The coupling between the house and the holder includes a locking nut A a flat washer B and a spring washer D Please notice the position of the spring washer The coupling will give an axial play if not positioned correctly Use the special tool to tighten the locking nut into the flange of the house Check the position of the springs if the holder or the house is exchanged 3 2 AGS XXXS types The coupl2. 2 AGS LCL400 The purpose with this function is to align the AGS FT sensor tip to the wear plane of the stator plates TED Backhoe dist Use this after each plate change and tip change o The tip is first mechanically aligned within 0 20 mm end then electronically aligned to zero fault a e Press the Menu button on the Panel PC log in oes with the service code press the AGS Service button press the Adjust flush pos button e Press the Clear APO button to remove previous offset adjustment e Press the To APO 0 button to move the tip to the home position APO 0 00 This will move the tip slightly normally less than 0 25mm e Mount the AGS sensor and align the tip within 0 2mm with the wear surface of the plates e Tighten the locking nut of the AGS sensor e Use the Move tip buttons to align the sensor with the plates The TED function can be used if activated to measure the alignment by placing a steel ruler on the plates The TED value will reach 100 when the tip touches the ruler Then back off another 0 02mm from this position Without the TED use a ruler and a feeler gauge to measure the alignment The Tip movement can be changed with the buttons e When the tip is fully aligned press the Set APO to Flush button e Close the window and log out 7 Contact Development production and service Dametric AB Jagerhorns Vag 19 SE 141 75 Kungens Kurva Sweden P
3. AGS XXX SERVICE MANUAL dametric AGS Sensor SERVICE MANUAL AGS XXX Service Manual EN docx Jan 17 2012 BL Page 1 of 9 AGS XXX SERVICE MANUAL Content k Generalista iio aaa encia 2 2 Mounting removal Off the sensor u0 000 000a00nan0nnnnnnanunanun nun nnnnnnnun nun mann nennen 3 3 House Io holder COU DINING inci ai 4 Sel ATS POS Seelen 4 32 Mas ARKO IDOS usais nella 4 A TIP TO NOUSO COMPING aia 4 5 TPC lid 4 51 ASA IRA ER 5 S2 E nn ee aE 5 6 AGS service from the Panel PC cccccssssseseeseeeceseesceneeseeseesenseesenseesenseesonsessoneens 5 Gal A O 5 62 Goare cala a 6 6 3 Ilp replacement zeu uue add 6 6 4 Holder excavada lia 7 6 5 Flush position adjustment version 1 D X X ooccococcoccnnoconnononnonannnnnnnonannonnnnonanonaninnnoos 8 6 6 Flush position adjustment version 2 X occoconcccocnccncnccocnccnonocnnnncnnnonnnnnonnnnnnnnonaninnnnos 9 T OMC 9 1 General This service manual describes how service and to change the parts of the AGS Sensor The AGS Adjustable Gap Sensor is a gap sensor where the measuring tip can be moved axially The movement of the tip enables a complete automatic calibration during full production in the refiner The sensor is based on three main parts a house a holder and a measuring tip The house includes a mechanical adjustment device an electrical stepping motor an axial position sensor and a sensor for the touch point vibration The h
4. The tip distance must be 23 00 0 0 05 mm when a new tip has been installed This distance will work together with a corresponding distance in the stator plate giving a tip in flush with the new set of plates AGS XXX Service Manual EN docx Jan 17 2012 BL Page 7 of 9 AGS XXX 6 5 Flush position adjustment version 1 5 x x For the Panel PC software version 1 5 x x This procedure is only applicable to AGS sensor types without a fixed segment edge of 23 0 mm Menu gt AGS Service gt AGS Flush pos adjustment behind the wear plane 0 00 These sensors are valid for this procedure O mo AGS SB170 AGS TW60 AGS HXD AGS LC72 0 00 AGS LCL400 Disc Gap The purpose with this function is to align the AGS a sensor tip to the wear plane of the stator plates 3 80 Use this after each plate change and tip change TED The tip 1s first mechanically aligned within 0 20 mm 0 end then electronically aligned to zero fault e Press the Menu button on the Panel PC log in with the service code press the AGS Service button press the Adjust flush pos button Close SERVICE MANUAL dametric Aut Service Set APO to Flush Move the tip to the APO 0 00 To APO 0 Move the tip backward Back home dist Tip movement E ee Move the tip are forward gt gt Clear APO offset APO Abs APO Clear APO Info e Press the Clear APO button to remo
5. and Holder Exchange functions are available first after you have logged in with the service code in the Menu form Menu gt AGS Service gt A side gt Auto Calibrate A side ah admin dametric Idling calibration GAP mm 6 1 Auto calibrate AGS offset par 0 00mm 0 35 AGS zero par 0 00mm z 1 68 R AGS 1 00 Here you can calibrate the AGS sensors which are TVD limit par 50 s TED limit par 20 Sectors 3 12 TRC mm APO mm done with automation F Only production calibration is allowed 0 35 0 00 Consult the GmsCeAgs Calibration_Eng pdf or espe pop tet E the GmsCe20Ags Calibration EN pdf manuals for mueve Lo o details Calibration Type Idle AGS XXX Service Manual EN docx Jan 17 2012 BL Page 5 of 9 AGS XXX SERVICE MANUAL 6 2 Coarse calibrate Menu gt AGS Service gt A side gt Coarse callbratlon dametric Coarse calibration is performed when a new tip is aati mounted Consult the GmsCeA gs Calibration_Eng pdf or TOC mm the GmsCe20Ags Calibration EN pdf manuals for 0 40 details Press Coarse Hotel A coarse calibration is only allowed after a new sensor la mounted The Tip Replacement and Holder Exchange functions are available first after you have logged in with the service code in the Menu form 6 3 Tip replacement When the tip is worn out you use this sequence Sake
6. eee ee on pepe driven function to change to a new tip 375 eh a a areca Press the Start button to start the sequence The loros e st iest 300 500 som of fron opace la front of the progress of the sequence is shown in the yellow 7 window APO mm During the sequence you will be prompted to pull 0 00 out the tip and then put in a new one Please note the oo repren e pe id number of the new tip because this shall be ger entered before the new tip is inserted 0 If something should go wrong it is possible to stop Er the sequence at any time by pressing the Halt button 5 Kal Please check the tip distance after the procedure s finished The tip distance must be 23 00 0 0 05 mm when a new tip has been installed This distance will work together with a corresponding distance in the stator plate giving a tip in flush with the new set of plates This is the sequence order e Check that the locking nut between the AGS house and holder is tightened Start with the Start button The tip is moved forward about 18 mm Remove the tip by pulling it straight out Feed the tip identification number into the system Mount the new tip Retract the new tip by moving the tip 18 mm backwards to the home pos The system will perform a coarse calibration 3 80mm The system will perform an APO adjustment Check the 23 00 mm distance according to the figure above III a The sequence is automatic but the user m
7. he tip is removed from the refiner If the tip is worn beyond this point the front piece will be loose and the gap signal is lost The best case in this situation 1s that the refiner trips and stops but in worst case the segment plate s clashes and the refiner might be damaged AGS XXX Service Manual EN docx Jan 17 2012 BL Page 4 of 9 AGS XXX SERVICE MANUAL 5 1 AGS XP XXX tips e Clean the tip with a cloth to remove grease and dirt e Check that the id number can be read this number must be entered to the computer later e Grease the area in the picture with high temperature gt 250 C or gt 480 F silicon grease 5 2 AGS XP SXXX tips e Check the O ring on the back edge of the sleeve Grease with high temperature gt 250 C or gt 480 F silicon grease e Inspect the gasket inside the sleeve If any irregularities replace the whole tip the gasket cannot be changed 6 AGS service from the Panel PC Go to the AGS Service form the Menu form e AGS Auto Calibrate Used for AGS calibration e Coarse Calibrate Used for AGS coarse calibration e Tip Replacement The function for tip replacement is reached dametric Auth Adina Auto Calibrate Tip Replacement here e Holder Exchange EPI Use this function to exchange the holder ie e Adjust Flush pos ZZ a Y 00H Adjust Flush The tip can be aligned with the stator plates not shown for all sensor types The Tip Replacement
8. hone 46 8 556 47700 Telefax 46 8 556 477 29 e mail dametric dametric se www dametric se dametric AGS XXX Service Manual EN docx Jan 17 2012 BL Page 9 of 9
9. ing between the house and the holder includes a locking nut A two ball bearings B shims C and a circlip D This solution ensures that the holder D can be rotated without loosening the locking nut A The locking nut is only loosened when the holder is changed It is important that the locking nut is fully tightened otherwise the axial play will result in a false gap reading A BCD Use the special tool to tighten or loosen the locking nut l al sal ad 4 Tip to house coupling The coupling uses a special spring tensioning device to eliminate axial and radial play The coupling is released during the tip replace routine by moving the tip shaft forward An edge inside the holder will then release the spring so the user can replace the tip easily This allows the tip to be changed within a minute without any special tools The procedure is controlled by software see the TIP REPLACEMENT paragraph below 5 Tip service The tip should be replaced when the plates are changed This assures that the tip length matches the plate thickness If a new sensor 1s used again with new plates it is essential that the tip s checked and serviced e It is extremely important that the mid pole A is not worn This forms the measuring area and any wear in this area will immediately affect the gap value e The B indicates absolute maximum allowed wear limit Note This is after the expected service life which is when t
10. older is a mechanical adaptor between the house and measuring tip to the mechanical dimensions of the TDC hole in the refiner stator plate The AGS sensor has the same mechanical dimensions in the tip end as the corresponding TDC sensor so they are interchangeable The tip is a wear part and will wear as the segment plates are worn down It is replaced periodically by the mill service personnel The tip is attached to the shaft of the house by a special bayonet coupling This coupling uses a spring tensioning device to eliminate axial and radial play The spring has to be released in order to separate the tip and for this we use an edge inside the holder This means that the tip has to be removed first and then the holder AGS XXX Service Manual EN docx Jan 17 2012 BL Page 2 of 9 AGS XXX SERVICE MANUAL The holder is mounted to the house by a nut which uses spring washers AGS X XX types or ball bearings AGS SXXX types to maintain axial zero play The Tip Replacement and Holder exchange services are each driven by a sequence from the Panel PC which also instructs the user what to do Therefore it is best 1f the electrical cable remains connected to the AGS sensor during the service work Note that he house must never be rotated while mounted in the refiner Instead turn the holder and hold the house still 2 Mounting removal off the sensor The sensor has to be removed from the refiner in order to replace the tip or if to change the
11. ust confirm every step by pushing the Next button AGS XXX Service Manual EN docx Jan 17 2012 BL Page 6 of 9 AGS XXX SERVICE MANUAL 6 4 Holder exchange This procedure is used to replace the holder of the E ET a REA A Status The AGS is in the home pos AGS sensor oc mn Note The parts have to be removed in a special 3 75 order Use the buttons to position the sensor tip shaft om E 37 To Tip Exchange Position in the positions to be able to remove the parts The built in logic will help you to determine in what 0 00 position you are 0 00 e Check that the locking nut between the AGS WIKI mn house and holder is tightened 0 o a e Run the AGS to the Tip exchange position to remove the tip EM e When the tip is removed run the AGS to the Holder exchange position e Unscrew the locking nut and remove the holder Mount the new holder and check the placement of the disc springs inside the locking nut Check the AGS sensor house manual for the proper assembly Fasten the locking nut with the special tool pull tight Run the AGS to the Tip exchange position and mount the tip Enter the tip id number when prompted Run the AGS to the Home position again Press the Coarse button to do a TDC coarse calibration Press the APO Adjust button to do the APO adjustment sequence The user must check the tip distance after the procedure is finished
12. ve previous offset adjustment e Press the To APO 0 button to move the tip to the home position APO 0 00 This will move the tip slightly normally less than 0 23mm e Mount the AGS sensor and align the tip within 0 2mm with the wear surface of the plates e Tighten the locking nut of the AGS sensor e Use the Move tip buttons to align the sensor with the plates The TED function can be used if activated to measure the alignment by placing a steel ruler on the plates The TED value will reach 100 when the tip touches the ruler Then back off another 0 02mm from this position Without the TED use a ruler and a feeler gauge to measure the alignment The Tip movement can be changed with the buttons e When the tip is fully aligned press the Set APO to Flush button e Close the window and log out AGS XXX Service Manual EN docx Jan 17 2012 BL Page 8 of 9 AGS XXX SERVICE MANUAL 6 6 Flush position adjustment version 2 x For the Panel PC software version 2 x x x Menu gt AGS Service gt AGS Flush pos adjustment dametric This procedure is only applicable to AGS sensor Sa pares types without a fixed segment edge of 23 0 mm 0 00 behind the wear plane Neo Gear APO et Clears the current APO offset Clear APO offset a must be done to remove the 0 00 i set from the previous alignment djustment These sensors are valid for this procedure AGS SB170 AGS TW60 AGS HXD AGS LC7
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