IOLMaster 700 Parts Removal Replacement6) Using the two screws (2.5mm hex keywith ball end) attach the spindle nut. Totighten use a hex key angle (Fig. 15).Ensure that the joystick can be used tomove the measurement head up anddown without resistance.7) Remove the dummy cover (Torx 20) fromthe new measurement head.Fig. 14 - measurement head angle alignmentOld Measurement Head:1) Place the dummy cover on a table.2) Remove the four cover screws (Torx 20)holding original covers to oldmeasurement head.3) Gently lift the old measurement head byplacing hands as shown and lower intothe dummy cover (located on table).4) Tighten the four screws (Torx 20) fromold measurement head to dummy cover.5) Place the old measurement head in thetravel case. Attach left dummy cover,close the plastic bag, insert remainingpadding and close.6) Return travel case with old measurementhead to ZEISS. Fig. 15 - Spindle nut attachmentNew Measurement Head (now attached):1) Open the ferrite core plastic housing andfix the MH cables inside.2) Reattach yellow grounding cable(Torx 10).3) Reattach the clamp (Torx 20) for USB andPCIe cable.4) Connect MH cables to main control PCB(USB, power) and interferometer (PCIe – aslotted screwdriver is required).5) Connect the proximity switch and joystickcable to main control PCB.6) The PCIe cable should be held in placewith the cable holder and a new zip tiecan be attached.7) Reattach the original covers.8) Using the service tool perform standarduse-case 301.9) Perform a system checkout in accordancewith the instrument checklist.Fig. 16 - Step 7) and 8)Fig. 17 - Step 9)LiftDummy coverScrewsLowerDummy coverSpindle nut ScrewsParallel alignmentSM-30-4060 Confidential and Proprietary Service ManualVersion 03, 2014-10-13 3 - 7 Order No. 2075-325