Prepared by: tim wojo revision: 1-050309 page 1 of 9 40-6910 service manual 40-6910 22x builders level service manual item description pages 1.0 overall instrument assembly 2 1.1 main assembly 2 1.2 telescope assembly 3 1.3 base assembly 4 1.4 frame assembly 5 2.0 calibration 6-8 2.1 vial verificati...
Prepared by: tim wojo revision: 1-050309 page 2 of 9 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...
Prepared by: tim wojo revision: 1-050309 page 3 of 9 40-6910 service manual 1.2 telescope assembly (ap2026) 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 care...
Prepared by: tim wojo revision: 1-050309 page 4 of 9 40-6910 service manual 1.3 base assembly (ap1997) 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 i...
Prepared by: tim wojo revision: 1-050309 page 5 of 9 40-6910 service manual 1.4 frame assembly (ap2027) 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 (...
Prepared by: tim wojo revision: 1-050309 page 6 of 9 40-6910 service manual b c figure c b c figure d figure b b c figure a b c 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 produ...
Prepared by: tim wojo revision: 1-050309 page 7 of 9 40-6910 service manual 2.2 line of site verification/calibration 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 hair...
Prepared by: tim wojo revision: 1-050309 page 8 of 9 40-6910 service manual 2.3 vertical accuracy verification/calibration 1. Set the instrument on the platform and face telescope to the wall. 2. Tighten the center screw and level the instrument. 3. Loosen the vertical lock knob and adjust the teles...
Prepared by: tim wojo revision: 1-050309 page 9 of 9 40-6910 service manual 3.0 trouble shooting guide no. Symptom cause corrective action 1 the horizontal micro-motion knob doesn’t work the horizontal locking mechanism is damaged or defective replace the horizontal locking mechanism 2 the focus kno...
