40-6670/40-6675 Multi-Point Laser Level Service Manual
Contents
1. discussed is shown below 2 1 Laser Assembly Calibration The Laser Assembly 4 20 1 must be calibrated external to the unit on a customized test stand The test stand is shown to the right Note that the center of the stand is 10m from the furthest reference point In the illustration points A and B are reflected plumb up and plumb down beams Point O is the front The location and range of reference point beam Horizontal error of the test stand should be less than 5 Accuracy of reference heights for points A B and O should be no less than 0 05mm m The calibration method describe below is the same for both the 40 6670 and 40 6675 just omit the front point for the 40 6670 Install the Laser Assembly to be calibrated in the test stand fixture 2 Adjust plane E to be horizontal to the test stand using the 3 adjustment wheels located on clamping fixture F An auto level can be used to add in leveling the stand Apply power 4 5Vdc to the Laser Assembly 4 Using adjustment screws 4 20 1 1 qty 4 and 4 20 1 6 qty2 adjust output laser spots A B and O to coincide with their respective reference points Note that point O is the reference point Points A and B should be in the range defined above within 1mm from center 4 2 2 Overall Instrument Calibration Now that the laser assembly has been calibrated and reinstalled in the overall assembly the2. gemeng al cho m Mmmm eee em BM E oe LAGER LEVELE PRO 40 6670 40 6675 Service Manual LAER LEVELE PRO 40 6670 40 6675 Multi Point Laser Level Service Manual 1 Overatinsrument assembly 7 Main Assembly Ca istument8oay Assen 3 13 CoreModueAssomby 3 2 1 taser assemoy Carate T s Overall Instrument Calibration EES 5o Electrical Connections SSSS S SSSCSTS Prepared By Tim Wojo Revision 0 052909 Page of 7 fp I a i ah KL een 8 S nn Wiem r BR ER Wes La htt LEWE EK amp 40 6670 40 6675 Service Manual 1 Overall Instrument Assembly This Multi Point Laser level is a highly accurate instrument Out side of a few customer adjustments outlined in the owners manual all adjustments service operations are internal to the instrument and to be performed only by authorized service personnel Authorized personnel should adhere to the guidelines described within this service manual for all repairs and or service work It should be note that procedures in this manual should be referred to based on the specific situation 1 1 Main Assembly 40 6670 75 AP2052 2 2 Cover Plate 40 6670 1 e 1 ap optical Wetye oo a Remove Housing Assembly 1 by loosening 4 retaining screws 2 Lense frame 3 and Lense Cover Plate 2 are pressed glued in place and normally would not have to be replaced 3 Optical Wedge 6 and Optical Wedge base
3. 7 is pressed in place and calibrated glued as described in section 2 2 of this document Prepared By Tim Wojo Revision 0 052909 Page 2 of 7 wer al ah LADER LEVEES PRO 40 6670 40 6675 Service Manual 1 2 Instrument Body Assembly AP2047 4 1 AP1843 ST2 2x 6 5 Cross A1 AP1843 ST2 2x 6 5 Cross Plate Self Tapping 4 _ Self Tapping Screw AP2054 1 Control PCB 4 3 AP2053 ST2 2x 9 5 Cross Plate Self L Screw er e AP1491 M2x8 Cross Plate Screw rao me Tea SSSSC dC pat apa pik o AP1493 M2 5x8 Cross Plate Screw 1 Remove 1 Control PCB 4 2 from Connecting Seat 4 4 using electric soldering iron Detach 2 hair spring wires that connect 1 Control PCB 4 2 to Core Module 4 20 od ES Magnetic Dampening Magnets E and 2 wires that connect 1 Control PCB 4 2 to ON OFF switch 4 8 then remove 2 retaining screws 4 19 Se 420 2 Remove Alarm Bracket 4 24 from Connecting Seat 4 4 by loosening 2 retaining screws 4 25 421 Ap2069 2 AlamPCB 3 Remove2 Alarm PCB 4 21 from Alarm Bracket 4 24 a oe by loosening 2 retaining screws 4 23 with Brass AP1464 M2x6 Cross Plate Screw retaining washers 4 22 AP2071 fie 4 Remove Core Module 4 20 by removing 4 retaining 4 25 AP2072 ST2 2x 6 5 Sunk Cross Plate Self screws 4 3 from Connecting Seat 4 4 Gently lift core Tapping Screw module out taking care not to damage any of the locking A
4. respectively Adjusting the three screws on the front will cause it to move down to move up or down respectively Finally the optical wedge 7 is adjusted for final plumb down calibration The wedge is tapered so rotating will cause the plumb down to rotating in an elliptical pattern Adjust it accordingly If the offset between the three points and their reference is greater than 20mm compensator weights 4 20 5 or weight rings 4 20 9 need to be added or subtracted based on the need If the up point is on the position of horizontal direction of front point the offset need not to be adjusted The adjustment can be made by re aligning the laser assembly e adjustment screws 4 20 6 remembering to loosen one while tightening the other A similar adjustment could be made by adjusting adjustment screws 4 20 3 Proceed to step 4 as needed 1 With the instrument on a level test stand loosen 2 adjustment screws td eal 4 23 and center the Alarm PCB 4 23 around the Alarm Spring DE ae 4 20 11 er 2 Tighten the adjustment 2 screws 4 23 Adjusting screw e Note The instrument should alarm 2 3 and any direction from level Prepared By Tim Wojo Revision 0 052909 Page 6 of 7 rm al skh pm m eee em BR La htt LEYEL amp 40 66 70 40 6675 Service Manual 3 0 Electrical Connections Leading line of battery box Laser source ON OFF switch 4 0 Trouble Shooting Guide Battery is low Broken battery wire Re
5. P2073 components with in the Bottom Seat Assembly 4 14 AP2074 Rubber Gasket 5 After removing Core Module 4 20 remove 2 Press Springs 4 5 and Slip Bracket 4 7 ON OFF Switch 4 8 6 Remove Bottom Seat Assembly 4 14 by removing 3 retaining screws 4 3 7 Remove Battery Cover 4 15 2 Magnets 4 18 4 magnet Plate 4 16 and 4 Magnetic Dampening Magnets 4 17 8 Remove Compensator Lock Assembly from Bottom Seat assembly 4 14 by loosening 2 retaining screws 4 12 The Compensator Lock Assembly is made up of the following components Support Board 4 13 C ring 4 10 Block 4 11 and Moving Shaft 4 9 Prepared By Tim Wojo Revision 0 052909 Page 3 of 7 gemeng al cho i Gee r BE LAGER LEVERS PRO 40 66 70 40 6675 Service Manual 1 3 Core Module Assembly AP2050 JLT Part 4 39 13 __ A 4 20 1 AP2051 40 6670 Laser Assembl 1 i 1 6 2 1 AP2051 1 40 6675 Laser Assembly 4 20 3 AP1696 M2x10 Cross Plate Screw 4 20 86 4 20 4 AP2075 3 Switch PCB e Ee AP2078 Rubber O ring 1 Remove 3 switch PCB 4 20 4 from Gimbal Assembly 4 20 8 AP2079 M6x16 Inner Hexagon Set Screw e 4 20 13 by loosening retaining screw 4 20 2 and de soldering wire that connects 3 switch PCB 4 20 4 2 Remove Weight Pieces 4 20 5 from Gimbal Assembly 4 20 13 by loosening 2 retaining screw 4 20 3 3 Re
6. compensator and optics must be calibrated Note that the calibration ii method is the same for the 40 6670 and 40 6675 The only difference is that there is no front point to calibrate on the 40 6670 The calibration method is described esst below Prepared By Tim Wojo Revision 0 052909 Page 5 of 7 2 3 Alarm Calibration This is accomplished by centering the alarm spring 4 20 11 with in the alarm ring on the alarm PCB 4 21 e ol ah pes LAGER LEVERS PRO 40 66 70 40 6675 Service Manual Place instrument to be calibrated on test stand Power laser and aim dot at reference Point O as Adjusting screw described above Fine adjusting screw Observe the offset between the three points and their Compensator Weight respective references If the offset 1s less than 20mm which is the diameter of the circle while the reference point is in the center of the circle adjust as defined in step 4 Otherwise adjust as defined in step 5 e Note observe whether there is offset between front point and reference point on adjacent light ruler If there is the offset between further reference point and the corresponding reference line will be the same distance Please note this problem during the following adjustment Fine Adjust 6 Counter Balance screws 4 20 8 to adjust plumb up accordingly adjusting screw Adjusting the three screws on the side of the instrument will cause the plumb up to move left or right
7. move Weight Loops 4 20 9 from Laser Assembly 4 20 1 by loosening retaining set screws 4 20 10 4 Remove Laser Assembly 4 20 1 by loosening 2 retaining screws 4 20 6 5 Remove Alarm Spring 4 20 11 by rotating the connecting shaft 4 20 12 counter clockwise until it comes out 6 Remove 6 Counter Balance set screws 4 20 8 from Gimbal Assembly 4 20 13 by loosening counter clockwise until they come out These screws have a special lock tight applied to prevent movement through shipment We sure to reapply this after calibration adjustment are made 1 4 Laser Assembly AP2051 AP2086 Adjusting Base geg i Me e 4 20 1 4 AP2087 4 20 1 4 1 Trapezoidal Prism Safe AP2088 4 20 1 4 2 Trapezoidal Prism 1 Kee ES 4 20 1 6 AP2090 M2x12 Cross Plate Sunk Screw 1 Remove the Prism 4 20 1 4 1 or 4 20 1 4 2 and Prism Seat 4 20 1 5 from Adjusting Base 4 20 1 3 by loosening 2 retaining screws 4 20 1 6 2 Remove Laser Module 4 20 1 2 from Adjusting Base 4 20 1 3 by loosening 4 retaining screws 4 20 1 1 Prepared By Tim Wojo Revision 0 052909 Page 4 of 7 m ol ah pes LAGER Levene PRO 40 66 70 40 6675 Service Manual 2 0 Calibration Calibration is a process that is used to correct for accuracy and or functional errors above and beyond those stated in published specifications This product is fairly easy to verify and calibrate as there are only a few adjustments that can be made Each item
8. pair Replace wiring 2 EAR Power ON OFF switch is broken connected line is cut off Repair Replace ON OFF switch 1 main circuit board is defective Repair Replace 1 main circuit board 4 ee ee Connected line of 3 circuit board is 1 main circuit board is defective Replace 1 main circuit board Laser indicator is damaged or defective Replace laser source uzzer is damaged or defective ES Connected line of 1 amp 2 circuit board is No sound 1f tilt beyond range l l l damaged defective Repair connected line 1 main circuit board is damaged defective Replace 1 main circuit board 1 main circuit board is damaged defective Replace 1 main circuit board No alarming if tilt beyond range Connected line of 1 amp 2 circuit board is damaged defective Repair connected line Prepared By Tim Wojo Revision 0 052909 Page 7 of 7 Se
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