AXIOM™ 400 Product Manual Service 8-708-AXIOM400-Service_R10.doc Accu-Sort Systems, inc.Replacing A Tachometer1. Remove power from Axiom.2. Remove the scan head from wiring base.3. Disconnect tachometer wiring from TACH terminal blocks.4. Mount replacement tachometer in same location as faulty tachometer.5. Install replacement tachometer wiring through correct conduit opening.6. Connect wiring to TACH terminal blocks.7. Confirm tachometer operation (LED in wiring base).8. Install the scan head to wiring base.