METER ATMOS 41W Manual

ATMOS 41W Cellular
Board Replacement
This document instructs how to replace the ATMOS 41W cellular board if it malfunctions or
needs to be upgraded. Follow the instructions provided in this document to replace the ATMOS
41W cellular board. Board replacement is needed for some upgrades or malfunctions.
Tools needed:
• Small Phillips (PH1) head screw driver
• Wooden stick (included)
• 2 small O-rings (included)
• 1 Nitrile glove (included)
• New modem (included)
• New SIM (included depending on upgrade type)
CAUTION: Only replace the ATMOS 41W cellular board indoors. Replacing the cellular board
outdoors may result in damage to the board and/or internal mechanisms of the ATMOS 41W.
ACCESSING THE ATMOS 41W CELLULAR BOARD
1. Put on the nitrile glove to protect cellular board and other internal components.
2. Remove the ATMOS 41W rain funnel and unscrew the battery cap to access and remove the
battery pack. Gently unplug the battery pack wire connector to disconnect the battery pack from
the ATMOS 41W.
NOTE: Do not lift the batter pack out by the wire. Removing the battery pack before accessing the cellular
board is critical for protecting the board and other internal components from damage.
3. Using the Philips head screw driver, unscrew the rain assembly screws and set aside.
Discard the old O-rings.
4. Turn the rain gauge assembly on it's side and remove the SIM card from the slot by pushing
the SIM card in and releasing.
5. Gently unplug the antenna connector pulling directly from the cellular board, making sure to
not damage the wire as it is pulled out.
6. Take the wooden stick and insert it underneath cellular board near the white posts.
7. Gently apply leverage to slowly lift up the cellular board.
Rotate
funnel
Push Pull
down up
SIM card slot
Antenna
18559-00
5.2024