9 MaintenanceFollow these instructions to perform basic maintenance tasks.9.1 Replacing the Main Body GasketCheck the main body gasket every time a SureCross device is opened.Replace the gasket when it is damaged, discolored, or showing signs of wear.The gasket must be:• Fully seated within its channel along the full length of the perimeter,and• Positioned straight within the channel with no twisting, stress, orstretching.9.2 Replacing the Rotary Dial Access CoverCheck the rotary dial access cover o-ring every time the access cover is removed.Replace the o-ring when it is damaged, discolored, or showing signs of wear. The o-ringshould be:• Seated firmly against the threads without stretching to fit or without bulgingloosely, and• Pushed against the flanged cover.When removing or closing the rotary dial access cover, manually twist the cover intoposition. Do not allow cross-threading between the cover and the device's face. After thecover is in place and manually tightened, use a small screwdriver (no longer than fiveinches total length) as a lever to apply enough torque to bring the rotary dial accesscover even with the cover surface.9.3 Battery Replacement9.3.1 Replacing the BatteryWhen the FlexPower Supply Module is installed outdoors or in a high humidity environment, apply dielectric grease to thebattery terminals to prevent moisture and corrosion buildup.To replace the lithium "D" cell battery in the FlexPower Supply Module, follow these steps.1. Unplug the battery module from the SureCross device it powers.2. Remove the four screws mounting the battery module face plate to the body and remove the face plate.3. Remove the discharged battery by pressing the battery towards the negative terminal to compress the spring. Pry upon the battery’s positive end to remove from the battery holder.4. Replace with a new battery. Only use a 3.6 V lithium battery from Xeno, model number XL-205F.5. Verify the battery’s positive and negative terminals align to the positive and negative terminals of the battery holdermounted within the case. Caution: There is a risk of explosion if the battery is replaced incorrectly.6. After replacing the battery, allow up to 60 seconds for the device to power up.7. Properly dispose of your used battery according to local regulations by taking it to a hazardous waste collection site, ane-waste disposal center, or any other facility qualified to accept lithium batteries.Sure Cross® Performance DX80 Wireless I/O Networkswww.bannerengineering.com - Tel: 763.544.3164 73