Air Brakes and Train Handling Rules - Alaska Railroad

68 EOT Telemetry Devicesb. On older units, the cover comes off completely. Open the topand bottom clips that hold the cover in place, then removethe cover.2. Remove each of the three batteries by unscrewing its retainingnut and pulling the battery straight out from its contacts.3. Install three new batteries by pushing each battery onto its guidepins until the contacts are fully made.4. Replace the retaining nuts. Tighten them securely but not excessively.5. Close or replace the cover to the battery compartment.68.7.2 Small EOT UnitThe small EOT unit has two basic components:• Coupler mount• Battery compartmentFigure 68-B. Small EOT Unit.68-18 ARRC Air Brakes and Train Handling Manual June 1, 1996