40-6910 22x Builders Level Service Manual
Contents
1. 4 Remove the Bottom module 8 12 from the Bottom plate 8 10 by removing the 3 retaining screws 8 13 Prepared By Tim Wojo Revision 1 050309 Page 4 of 9 mg B nah gem um a e ELE COR n Litt LEwELIHS PRO 1 4 Frame Assembly AP2027 JLT Part AP2038 Position Block Screw 13 2 AP2039 Elastic Gasket ERN 13 3 AP2041 Position Block AP1022 M3x6 Cross Plate Screw AP2009 Horizontal Fine Adjustment Knob 13 12 AP1449 M2 5x6 Cross Plate Screw AP1488 M2 5x4 Cross Plate Screw 1 1 40 6910 Service Manual WP y jj P e M dc Vea OS TI V A C1 P ae i 3 1 AT 434 be 1 X Repent Y j k ente 1 Remove Horizontal Micro motion loop 13 8 from Frame Assembly 13 by turning Horizontal Locking knob 13 7 counter clockwise until it comes out the sliding off Horizontal Micro Motion Loop 13 8 2 Remove Position Block 13 3 from Frame Assembly 13 by removing Position Block Screw 13 1 and Elastic Gasket 13 2 3 Remove Horizontal Fine Adjustment knob 13 5 from Frame Assembly 13 by removing retaining screw 13 6 and turning Horizontal Fine Adjustment knob 13 5 counter clockwise until it comes out 4 Remove vertical vernier 13 10 and bracket 13 11 from Frame Assembly 13 by removing 2retaining screws 13 4 and 13 9 respectively 5 Remove horizontal vernier 13 13 from Frame Assembly 13 by removing 2 retaining screws 13 12 Prepared By T2. by loosening set screw 6 6 with 1 5mm Allen wrench and remove lens focus knob assembly 6 4 Once removed Lens focus assembly 6 3 1s removed by pushing it from the front towards the back until it freely slides out 5 Remove Vertical Graduated Circle 6 19 from Telescope Assembly 6 by removing 3 retaining screws 6 20 6 Remove Vertical Locking Loop 6 18 from Telescope Assembly 6 by sliding off axis elastic retainer 6 17 and Vertical Locking Loop 6 18 Prepared By Tim Wojo Revision 1 050309 Page 3 of 9 E E ah a Bar E E Prone PRO 40 6910 Service Manual 7 E 1 3 Base Assembly AP1997 8 3 AP2019 T APmu WoirewaGudukdCide 8 5 AP2020 Horizontal Graduated Circle AP1579 2 5M Split Washer AP2021 Base Module 8 8 AP 1449 M2 5 x 6 Cross slot Plate Screw AP2022 Press Board Bottom Plate M3 x 6 Cross slot Plate Screw 1 Remove Horizontal graduated circle 8 5 from Based Module 8 7 by removing C ring retainer 8 1 compression spring 8 2 and spacer 8 3 respectively A ring pliers is a very useful tool in removing the C ring 2 Remove the 3 foot screws 8 11 from Base Module 8 7 by removing 3 split washers 8 6 located at the top each foot screw 8 11 Once the 3 split washers 8 6 have been removed rotate each foot screw counter clock wise to unscrew them from the Based module 8 7 Remove Press Board 809 from Bottom plate 8 10 by removing 3 retaining screws 8 8
3. Yo sah aum LABER LEVER PRO 40 6910 Service Manual LARNER LE VYELSE 40 6910 22x Builders Level Service Manual L0 Overatinsrument assembly o Main Assembly u weewemmemiy 20 eawn OO a 2r va verteatntatirafon 000000000 060 Line of Site Verification Calibration 33 Vera Accuracy Vrtaionttbvaion 30 Trouble ShootingGuide SS Prepared By Tim Wojo Revision 1 050309 Page of 9 ASSUME LABEM LEVELS PRO 40 6910 Service Manual 1 Overall Instrument Assembly This optical 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 6910 1 AP1992 Rubber Cover 3 s mme Telescope Assembly 1 s Ans WseAwmby Sd 9 AP1998 Wave Ring I 16 AP2029 Press Cover 2 Remove Rubber 1 1 rubber cover 2 2 and rubber cover 3 3 by hand 2 Remove vertical locking knob 17 and vertical fine adjustment knob 14 from frame assembly 13 by turning counter clockwise 3 Remove telescope assembly 6 from Frame Assembly 13 by removing 4 Retaining scr
4. eck the sightline levelness of the instrument with the same method as above If the sightline levelness is beyond tolerance it is necessary to make readjustment Prepared By Tim Wojo Revision 1 050309 Page 8 of 9 pt fy a We a g ol zh ge n T e ELE LASER LEVELS ey 40 6910 Service Manual 3 0 Trouble Shooting Guide No Symptom Corrective Action The horizontal micro motion knob The horizontal Inn mechanism is Replace the horizontal locking mechanism he upper gear on the focus tube has a lot The focus knob doesn t work Replace the focus tube of wear ail to level the bubble The bubble is broken Replace the bubble 4 The cross hair 1s obscure The position of the eyepiece is not correct e the position of the eyepiece 5 here is something on the reticle The reticle is dirty Clean the reticle the reticle Bubble is not centered in any Recalibrate according to the above The bubble level screw is loose direction method Prepared By Tim Wojo Revision 1 050309 Page 9 of 9 Se
5. ent with the horizontal reference line on the of the collimator tube the instrument should be calibrate using the method below Leveling accuracy using an automatic level ES ju Figure F 1 Remove rubber cover 3 3 to expose calibration set screws 6 6 and 6 16 2 Usinga 1 5mm Allen wrench loosen calibration set screws 6 6 and 6 16 3 Rotate the eyepiece seat to make the crosshair center on the reticle of instrument on the same level with crosshair center on the reticle of collimator tube Then rotate the eyepiece tube to make the horizontal hair on the reticle of intrument level Now the middle horizontal hair on the reticle of the instrument coincide with the horizontal line on the reticle of the collimator tube 4 Tighten the two set screws 6 6 and 6 16 and restore rubber cover 3 3 to its original position Prepared By Tim Wojo Revision 1 050309 Figure G Page 7 of 9 pt fy a La htt LEYEL amp 40 6910 Service Manual ASSEN 2 3 Vertical Accuracy Verification Calibration Set the instrument on the platform and face telescope to the wall 7 2 Tighten the center screw and level the instrument 3 Loosen the vertical lock knob and adjust the telescope as shown in the figure to the right 4 Adjust the focu
6. ews 15 2 Press covers 16 2 dampening pieces 18 and Press Springs 19 4 Remove Frame Assembly 13 from Base Assembly 8 by removing Retaining screw 11 Wave ring 9 Retainer 10 Press Spring Screw 4 Horizontal Press Spring 5 and Horizontal Press Spring base 7 Prepared By Tim Wojo Revision 1 050309 Page 2 of 9 s g of zh ge un E e ELE S F Rm ABER LEVELS peg 40 6910 Service Manual 1 2 Telescope Assembly AP2026 JLT Part JLT Part AP2001 Objective Press Loop ae AP1449 M2 5 x 6 Cross slot Plate Screw 2 AP2002 Objective glued lens AP2013 Horizontal micro motion loop 6 3 AP2003 Focus Lens assembly 6 15 AP2014 Horizontal Micro motion AME Knob AP2004 Focus knob Focusknobasembly si 6 17 17 AP2033 Axis Axis Elastic Retainer Retainer 6 5 AP2005 M4 x 6 Inner Hexagon Notched 6 18 AP2034 Vertical Locking Loop ba Kad mn ld d n AP2006 M3 x 6 Inner Hexagon Notched 2 6 19 AP2035 Vertical Graduated Circle 1 Ell NNI m ee ee eee screw Cae las HE en mon Horzonta vemier a 1 l1 1 Remove Vial Seat Assembly 6 8 by removing the 2 retainer screws 6 7 2 Remove objective glued lens 6 2 from Telescope Assembly 6 by removing objective press loop 6 1 Be very careful not to damage the lens as 6 1 1s unscrewed 3 Remove Eye Piece Assembly 6 11 by loosening set screw 6 6 with 1 5 mm Allen wrench 4 Remove Focus Lens Assembly 6 3
7. im Wojo Revision 1 050309 Page 5 of 9 mg B nah gem um a e ELE COR n CR ABER LEVELS peg 40 6910 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 two adjustments that can be made Each item discussed is shown below 2 1Vial Verification Calibration Mount the instrument on the tripod Turn the telescope to the position as shown in figure A and line up the telescope bubble in alignment with foot screws A amp B Note that the bubble moves always in the same direction as your left thumb GIC ID If the bubble is not centered first grasp screws A amp B so that both thumbs are moving in opposite directions gre A Aem A l either toward each other or away from each other in Figure A Figure B order to make the bubble centered Then turn the telescope to the position as shown in figure B turn the foot screw C to make bubble centered Now the instrument should be leveled up but to be certain double check Rotate the instrument by any angle and the bubble should always be centered Otherwise please make calibration for C uoc ou the bubble If the bubble leans to the right side adjust screws A amp B as e mum figure C shows in
8. order to remove one half the error Remove the other half of the error by adjusting the two bubble level Figure C Figure D screws as shown in figure E i e loose one screw while tightening the other screw The instrument is calibrated when the bubble Bubble level remains center as the telescope is rotated throughout a 360 rotation If the bubble leans to the left side turn screws A amp B as shown in figure D and repeat the steps as described above Figure E Prepared By Tim Wojo Revision 1 050309 Page 6 of 9 s mg B nah gem um a e ELE COR n Litt LEVELI PRO 2 2 Line of Site Verification Calibration 40 6910 Service Manual Once Vial calibration has been verify achieved it is necessary to verify calibrate the line of site Essentially this assures that the stadia lines with in the telescope cross hairs are on the same plane as your reference This can be done a number of ways e By purchasing an automatic level collimator e Bycomparing the test instrument to a known good reference laser theotolite etc e Using the long shot short shot method Regardless of the method calibration adjustments are the same This manual only discusses verification using an automatic level Setup the instrument as shown in figure F level the bubble and focus the lens until you can clearly see the stadia lines inside the collimator tube If the center horizontal hair on the stadia lines of the instrument is not coincid
9. s knob until the target on the top end of the wall LK could be observed clearly 5 Turn the telescope to make the vertical hair of the cross hair coincide with the zero position of the target P 6 Adjust the telescope as shown in figure to the right To focus until the target on the lowest end could be observed clearly 7 Then observe the deviation D of the vertical hair from the zero position If D gt 1 5mm the vertical accuracy of the instrument is beyond the tolerance and should be calibrated 2 3 3 Vertical accuracy calibration 1 Ifthe vertical hair locates on the left side of the zero position as shown below use a hexagon spanner to loosen elevation difference level screw 2 and tighten elevation difference level screw 1 as shown below Tighten the two level screws simultaneously until the vertical hair coincides with the zero position 2 Ifthe vertical hair locates on the right side of the zero position as shown below use a hexagon spanner to loosen elevation difference level screw 1 and tighten elevation difference level screw 2 as shown below Tighten the two level screws simultaneously until the vertical hair coincides with the zero position Vertical hair D pem S Elevation difference level Vertical hair Elevation difference level screw 2 D After the vertical accuracy of the instrument has been adjusted please rech
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