Avery Weigh-Tronix QTLTSC Service Manual Download

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WI-125 (QTLTSC)
Indicator and System
Service Manual

Summary of Contents for QTLTSC

Page 1: ...WI 125 QTLTSC Indicator and System Service Manual ...

Page 2: ... the Layout Menu 13 Adding Characters to an ASCII String 13 Calibration 15 Entering the Configuration Mode to Calibrate the System 15 J Box Information 16 Original Style J Box 16 Trim Potentiometer Adjustment 17 Balance Potentiometer Adjustment 18 Spanning Adjustment for an Existing Calibration 19 Step by Step Instructions for Acquiring Data Points 21 Calculating New Lift Capacity 25 Making a Ramp...

Page 3: ...limits Divisions 0001 to 20000 programmable to any division size between these limits Push Button Zero Range 0 to 100 of capacity programmable independent positive and negative limits unit will not allow zeroing beyond capacity Tare The unit may be configured to have pushbutton tare which can function as a scroll tare register Pushbutton tare and scroll tare may tare only positive gross weights up...

Page 4: ...e WI 125 QTLTSC Indicator User s Manual PN 29608 0013 Use this mode to perform tests on the WI 125 The test mode is covered in the Indicator Diagnostics section of this manual Use this mode to set up options and program the operation of the scale and indicator Configuration is explained fully in the Configuration Mode section of this manual Sealing the Indicator The WI 125 can be sealed If sealed ...

Page 5: ...ed with the key one space to the left The factory default for this key is set for lbs only Lets you scroll numerical values G N CLEAR ZERO 0 UNITS SELECT PRINT The arrow keys are used to enter numbers throughout different configuration selections Refer to this section when you need to enter a number or num bers Example To key in the number 603 Press the key repeatedly until the 6 appears on the di...

Page 6: ... zeros displayed when no weight is on the scale key in 00010 for a division size The display will read 00000 when the scale is empty If you want two zeros displayed when the scale is empty key in a division size of 10 Configuration Mode This section of the manual explains how to view and set up parameters in the configuration mode Follow the configuration menu and instructions in Figure 2 to set u...

Page 7: ... net mode Setup Scale Units Capacity Division Zero Stability AZT Update 5 1 2 Choose the rate at which your display updates information 1 2 or 5 times per second Five is the default value Setup Scale Units Capacity Division Zero Stability AZT Update Average This option allows you to choose the number of display periods over which the dates are internally averaged prior to being displayed Any numbe...

Page 8: ...5 Figure 2 ...

Page 9: ...6 ...

Page 10: ...e option behind the security code If ON is chosen you can view but not change that parameter value in the operations menu Setup Scale Options Security Serial Print Button Choosing OFF disables the front panel PRINT button Choosing ON enables the front panel PRINT button Setup Scale Options Security Serial Print Button Enquire This sub menu allows you to choose a printer or other device which will ...

Page 11: ...rint Busy Baud Parity Clear Even Odd Set This option lets you choose parity as even odd clear logic 0 or space or set logic 1 or mark For 7 data bits and even parity the parity bit must be Even for 7 data bits and odd parity the parity bit must be Odd for 7 data bits and no parity the parity bit must be Set and for 8 data bits and no parity the parity bit must be Clear Setup Scale Options Security...

Page 12: ...ed or rearranged to accomplish customization See Figure 4 As in the other WI 125 menus the SELECT key opens up the next level of the menu There is one more level of information under the print commands in the layout menu This information may be one of two types an ASCII string or a layout submenu Figure 3 Default Printout Figure 4 Customized Printout An eighth Print Command STATUS is available if ...

Page 13: ...he relationship between this sequence of codes and the output of the printer You can change the ASCII string or delete it entirely to suit your needs To delete an ASCII print command from the layout menu first delete the entire ASCII string which is stored in that ASCII print com mand As you enter ASCII codes the display may read FULL when you try to enter a code number This means the memory alloc...

Page 14: ...ne s characters to double wide Under each non ASCII print command GROSS TARE etc is a layout submenu The layout submenu contains all seven print commands and a DELETE command From this submenu you select what you want printed and in what order The same submenu is available in every case but the currently selected item is always offered first Find complete instructions for these procedures in the s...

Page 15: ...I string Deleting an ASCII print command after the ASCII codes are deleted Deleting a non ASCII print command from the layout menu Inserting a print command in the layout menu Adding ASCII codes to an ASCII string For example to delete the hyphen in WEIGH TRONIX you need to delete the ASCII control code for the hyphen In Table 1 you can see that this is 45 In Figure 4 the 9th ASCII control code is...

Page 16: ...the menu 1 ASCII To insert new codes 1 Display 1 ASCII 2 Press SELECT 1 _ is displayed 3 Key in the control code you want and press MENU 2 _ is displayed prompting you for the 2nd control code in the ASCII string 4 Repeat this step until you have entered all the ASCII control codes you want or the indicator tells you the memory is full 5 Press SELECT 1 ASCII is displayed in this ex ample You may i...

Page 17: ...ASCII Control Codes NOTE To repeat a control code a number of times enter the control code a decimal and the number of times you want it repeated Spaces letters or carriage returns can easily be repeated this way ...

Page 18: ...es and telling the indicator what weight is on the scale at each tilt position The indicator then fits these data points into its operation To calibrate your system you must enter the Configuration Menu Follow the steps on the following pages to enter the Configuration Menu corner the Weigh Bars and calibrate the system 1 While in Gross Weighing Mode with the unit unsealed press the up arrow key t...

Page 19: ...he scale Remove the sealing wire and the two screws fastening the access cover Trim balance and calibration acquiring data points are covered in the following sections DO NOT ADJUST THE PITCH AND ROLL POTS These are factory set and should be left alone J Box Information Figure 8 J box potentiometers Original Style J Box If you have the original style J box refer to the illustration below when maki...

Page 20: ...wable difference to 0 05 of the cornering weight you are using Guidelines for Adjusting the Trim Potentiometers refer to Figure 8 for potentiometer location The right trim balance RTB reduces the difference in weight readings on the right fork For example if the weight reading on the end of the right fork is less than the reading at the base of the right fork slightly turn the RTB clockwise The le...

Page 21: ...otentiometers may need to be read justed by following the steps under Balance Potentiometer Adjust ment Guidelines for Adjusting the Balance Potentiometers refer to Figure 8 for potentiometer location The right balance potentiometer RB reduces the weight reading difference between the two positions of the right fork For example if the weight reading when the right fork is moved in six inches is le...

Page 22: ... appears h Press SELECT again a number appears and you may now enter in the known weight of your test load using the yellow UP ARROW and UNITS keys Follow the example below To enter the weight of 4500 1 Press the yellow UP ARROW key 4 times 4 is displayed 2 Move over the 4 by pressing the UNITS key 40 is now displayed 3 Press the yellow UP ARROW key 5 times 45 is displayed 4 Move over the 45 by pr...

Page 23: ...ve scale readings within 5 lbs in each corner c If the scale requires cornering refer to the Trim and Balance sections of this manual 5 Check the scale for tilting sensitivity a Lift a known weight at least half of net capacity with the scale b Tilt the scale through the expected range of operation The scale should be allowed to settle in several tilted positions c If the scale requires cornering ...

Page 24: ... scale lift truck level Refer to Figure 9 Recalculating Lift Truck Capacity on the next page for the new capacities 1a Level the forklift With only a pallet on the scale and ACQUIRE displayed on the WI 125 press SELECT Once the number on the scale is steady press SELECT again 01 is displayed 1b Scroll in 0 and press SELECT bUSy is displayed briefly and then ACQUIRE is redisplayed 2a Raise the righ...

Page 25: ...level to between five and ten degrees Press SELECT Once the number on the scale is steady press SELECT again 05 is displayed 5b Press SELECT bUSy is displayed briefly and then ACQUIRE is redisplayed 6a With the lift truck and forks level place of new capacity on the scale Press SELECT Once the number on the scale is steady press SELECT again 06 is displayed 6b Scroll in the amount of weight used P...

Page 26: ...tween five and ten degrees Place a weight of between 60 and new capacity on the scale Press SELECT Once the number on the scale is steady press SELECT again 12 is displayed 12b Scroll in the amount of weight used Press SELECT bUSy is displayed briefly and then ACQUIRE is redisplayed 13a Leave the weight on the scale lower the right side of the lift truck and raise left side between five and ten de...

Page 27: ...ECT bUSy is displayed briefly and then a number will be displayed Keep pressing SELECT until you get the same number to the 2nd or 3rd decimal consistently Ideally this number is less than 3 20 Press MENU Fit dAtA is displayed 21 Press MENU ACCEPt is displayed 22 Press SELECT no is displayed 23 Press MENU to toggle to yes YES is displayed 24 Press SELECT ACCEPt is displayed 25 Press MENU End is di...

Page 28: ...o load center J Thickness of fork K Thickness of scale Scale P N Width Weight D DIM F DIM K 51856 0016 36 0 520 2 00 4 00 51856 0024 37 0 530 2 00 4 00 51856 0032 38 0 540 2 00 4 00 51856 0057 40 0 580 2 00 4 00 51856 0073 42 0 635 2 00 4 00 51856 0099 44 0 685 2 00 4 00 51856 0115 46 0 700 2 00 4 00 51856 0131 48 0 720 2 00 4 00 Class III 5 000 lb Models Scale P N Width Weight D DIM F DIM K 51857...

Page 29: ...our lift truck width is Five degrees is 48 inches 4 2 inches 42 inches 3 7 inches 36 inches 3 2 inches 30 inches 2 6 inches 24 inches 2 1 inches Figure 9 Recalculating Lift Truck Capacity Lift truck with scale Lift truck with no scale Board H in inches W in inches L in inches A 0 5 8 24 B 0 5 8 22 C 0 5 8 20 D 0 5 8 18 E 0 5 8 16 F 0 5 8 14 ...

Page 30: ... reassem bly The part number for 5000 lb Class II and III carriages is 17704 0920 The part number for 10 000 lb Class III carriages is 17704 6224 3 When tightening the tansducer bolts on a 5000 lb carriage they must be torqued at 65 foot pounds in a star pattern starting with the top and bottom bolts When tightening the tansducer bolts on a 10 000 lb carriage they must be torqued at 150 foot pound...

Page 31: ...es 1 This product is designed for use with hardened surface washers Slide the washer onto the bolt or stud first 2 Check the base of the tensioner s and verify that all set screws are flush with the bottom of the tensioner body 3 Clear any dirt or chips from the threads of the bolt or stud and from the main internal thread of the tensioner 4 Spin the tensioner body down on the main thread of the b...

Page 32: ... only items active for a reset or master clear are those items that are not set to the factory defaults To perform a master clear follow these steps 1 Turn the unit off hold the TARE and ZERO keys down and turn on the unit CODE NO is displayed 2 Press SELECT 0 is displayed 3 Use the é key and è key to key in your security code number then press SELECT CODE NO is displayed NOTE You must enter the s...

Page 33: ...r default settings simultaneously If ALL is flashing the indicator is telling you that SETUP ADJUST and DATA are all corrupted and you must reset them all to default values If you choose ALL the unit returns automatically to weighing mode All factory defaults are now in place including calibration values To reset any of the choices use the MENU key to toggle between the choices When the correct ch...

Page 34: ...yed briefly while you hold the key 2 Move to the right through the menu selections by pressing MENU briefly Move to the left through the menu selections by pressing MENU for 1 second or hold down for continuous scrolling 3 To move down a level in the hierarchy press SELECT Anytime you wish to get to the next higher level in the hierarchy press and hold SELECT for approximately 1 5 seconds or press...

Page 35: ...it to diSPLAY BUTTONS With buttonS displayed press SELECT and an underscore will appear on the screen Press any key except MENU to check for proper key functioning After testing the buttons press MENU to return to the display A to D Displays the analog to digital counts The span is normally 20 000 counts per millivolt per volt With a calibrator at zero millivolts per volt the displayed value shoul...

Page 36: ...s a problem somewhere in the carriage assemble c For hardwire style J box Once the indicator and interface cable have been checked and are OK now you need to check the pigtail This will take an ohmmeter to verify no shorts and or opens Replace if defective d With the indicator attached to the carriage again and still in lockup disconnect one bar at a time and try adjusting the Zero pot to enable a...

Page 37: ... it This information is modified through the security code This menu does not affect the calibration So when resetting this menu you will not have to recalibrate ADJUST This is your calibration menu If this menu is flashing you will need to reset it and recalibrate DATA This menu will consist of any user information If this menu is flashing it will need to be reset Resetting this option does not e...

Page 38: ...e style J box broken or miss aligned interface or cell wires can cause repeating problems Check the color code on the J box PCB 9 Upper or Lower Dashes Your going to be dealing with a system that was working before because every system leaves the factory in working condition So there must be a reason why the unit has dashes Normally dashes upper or lower means your out of the A to D range of the e...

Page 39: ...an be verified by measuring the resistances listed below Pins Wires Reading Tolerance in Ohms B to D Green to Black 1021 to 1062 1032 B to C Green to White 764 796 780 B to A Green to Red 764 796 780 B to E Green to Blue 1335 to 1391 1363 E to C Blue to White 1038 to 1082 1060 E to A Blue to Red 1038 to 1082 1060 E to D Blue to Black 356 372 364 C to A White to Red 935 973 954 D to A Black to Red ...

Page 40: ...OK 19967 0019 2 7 CARRIAGE LOCATING PIN 19968 0018 1 8 JAM NUT TENSIONER incl set screws 46687 0011 4 9 BOLT SOC 44 x 1 50 long 17704 0920 24 10 BOLT 50 x 1 5 long GR 5 49889 0011 4 11 J BOX ASSY incl level sensor 48369 0012 1 12 SHIM 059 thk 48876 0018 1 SHIM 048 thk 48876 0026 1 SHIM 035 thk 48876 0034 1 13 SPACER PLATE 095 thk 49890 0018 1 14 BOLT HEX x 2 L 14476 0017 4 15 WI 125 Indicator Angl...

Page 41: ...10 Bolt 50 X 1 5 Long GR 5 49889 0011 4 11 J Box Assy internal termination w level sensor 50781 0018 1 12 Shim 059 thk 48876 0018 1 Shim 048 thk 48876 0026 1 Shim 035 thk 48876 0034 1 13 Spacer Plate S STEEL 059 thk 49890 0018 2 14 Bolt 1 4 20 x 3 4 L 14476 0014 2 15 Lock Washer 1 4 14474 0065 2 16 Pitch Roll Trouble Shooting Simulator not shown 49656 0012 1 17 Bolt c sink HxSoc 1 4 x 5 8 L 16192 ...

Page 42: ...arriage Centering Pin 19968 0026 1 8 Jam Nut Tensioner Assy 46687 0037 4 9 Bolt Hx Soc 5 8 x 1 3 4 Long 17704 6224 24 10 Hook Mount Bolt 49889 0045 4 11 J Box Assy w Level Sensor current version 52040 0011 1 12 Shim 059 thk 51853 0019 1 Shim 048 thk 51853 0027 1 Shim 035 thk 51853 0035 1 13 Spacer Plate S STEEL 059 thk 51852 0010 2 14 Bolt 1 4 20 x 3 4 L 14476 0014 2 15 Lock Washer 1 4 14474 0065 ...

Page 43: ... 0014 1 12 INPUT POWER CONN CABLE ASSY 48438 0019 1 13 STRAIN RELIEF 15257 0024 1 14 TIME DATE PC BD ASSY 29409 0014 1 15 ADHESIVE FOAM REAR ENCL GASKET 1045 08401 1 16 CAP SCREW 10 32 x 38L 14505 0035 2 17 CAP SCREW 10 32 x 50L 14505 0050 4 18 TOOTH WASHER 10 15698 0054 6 19 MTG BRACKET LONG 28170 0013MTS 1 20 MTG BRACKET SHORT 28170 0039 1 21 RUBBER MOUNT 17807 0090 3 22 POWER SUPPLY PC BD 45931...

Page 44: ...WI 125 LIFT TRUCK QTLTSC SYSTEM BLOCK DIAGRAM 41 ...

Page 45: ...WI 125 QTLTSC INDICATOR EXTERNAL INTERFACE CONNECTIONS 42 ...

Page 46: ...WI 125 QTLTSC INDICATOR PC BOARD IDENTIFICATION W PIN OUTS 43 ...

Page 47: ...WI 125 QTLTSC INDICATOR PC BOARD IDENTIFICATION W PIN OUTS 44 ...

Page 48: ...SY ITEM NO DESCRIPTION W T P N QTY 1 J Box Assy 48369 0012 1 2 J Box Cover 48371 0018 1 3 Cover Gasket 48373 0016 1 4 Screw 10 x 1 2 L 14505 0050 4 5 Flat Washer 10 14475 0056 4 6 Connector Assy 12 pin male 46696 0010 1 7 Cable Assy J box to indicator 48432 0023 1 8 Complete J Box assy 48369 0012 1 ...

Page 49: ...84 0015 1 4 Cover Gasket 50785 0014 1 5 Hex Nut 10 32 14506 0059 2 6 Hex Nut modified 10 32 50029 0010 2 7 Screw 6 x 3 8 L 14473 0249 2 8 Lock Washer 6 14474 0032 2 9 Lock Washer 10 14474 0057 4 10 Standoff 6 x 1 L 14510 0814 2 11 Strain Relief Assy 15257 0032 5 12 Neoprene Washer 26357 0020 5 13 Complete J Box Assy w internal termination 50781 0018 1 J Box Assembly P N 52040 0011 Lift Truck Weigh...

Page 50: ...orque specification for these bolts is 70 foot pounds class II III 5 000 lb 125 foot pounds class III 10 000 lb Install sealing wire on both mounting hooks NOTE 1 See Figure 2 Make sure the bosses on the Quik Tach carriage make contact with the customer s lift truck when both forks are seated If there is more than 030 gap between the Quik Tach and the customer s lift truck carriage see Figure 2 wh...

Page 51: ...d balance procedure in the WI 125 QTLTSC Service Manual to fine tune the J Box readings Equipment required for the weighbar connector modification Solder Soldering Iron Potting Compound Non corrosive Non conductive sealant Silicon PN 1045 00149 Wire Strippers 22 AWG Complete Kit PN 52224 0019 Incl New J box Neoprene Tubing 6 total 1 5 cable Heat Shrink 2 total 5 shield wire Connectors 4 total 1 we...

Page 52: ... reinforcing of the components inside the J box Figure 2 shows a diagram of RTV placement on a J box PC board Open the J box and find the following components six potentiometers wire leads from five cables 4 pin molex connector for the level sensors Follow these suggestions when applying the RTV 1 The idea is to immobolize the taller PC board components and wires so that vibration effects are mini...

Page 53: ...ms way Fasten periodically to eliminate potential problems Tighten cable connections at indicator and summing box if necessary Inspect cable clamps and cable ties to be sure all cable attachments are secure Inspect digital indicator mounting bracket isolation mounts and hardware for loose or cracked parts Check to make sure the junction box cover shielf is fastened Tighten bottom clamps on scale c...

Page 54: ...l industrial weigh tronix com www weigh tronix com Weigh Tronix Canada ULC 217 Brunswick Blvd Pointe Claire QC H9R 4R7 Canada Telephone 514 695 0380 Facsimile 514 695 6820 Weighing Products Systems Weigh Bar is a registered trademark of Weigh Tronix Inc 10 11 00 125LTSER P65 PN 29602 0019e3 Printed in USA ...

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