Ohaus Adventurer ™ Balances AX4202M

Turn off the balance and unplug the power cord

Preliminary Steps for a balance with a Draft Shield

Remove the weighing pan and wind ring and set aside

Remove the EMC plate by removing the two screws holding it to the balance top housing

Remove the two screws securing the draft shield housing to the balance

Remove the keypad membrane cable by unfastening the connector

Remove the TFT LCD cable by lifting the connector lock upwards

Detach the latch located at the right front of the balance

Remove the balance load cell metal cover to expose the Block Style load cell.

Locate and remove the 2 cables connecting from the Block Style load cell to the balance main PCBA.

Locate and remove the 4 screws securing the Block Style Cell to the bottom housing.

Ensure the following components are removed

Is the area clean and free of debris?

Ensure the balance is free from drafts

Set Auto-Zero to Off, in Menu Setup

Open the balance (See Section 3.1)

Plug the power cord into the balance and turn it on

Place a mass that weighs the balance’s full capacity on the center of the Pan

Press O/T (the center button) to tare the balance and return the displayed weight to 0g

Note the displayed values when moving the mass to the front, back, left, and right edges of the Pan

Open the balance and remove the Load Cell

Un-solder the wires attached to the Position Sensor Board

Remove the three screws holding the Position Sensor Board in place

Position Sensor Board Installation

Remove the Position Sensor Board and install the replacement

Insert and finger-tighten all screws previously removed

Remove the balance load cell metal cover

Locate and remove the cables connecting the Conventional MFR load cell to the balance main PCBA

Locate and remove the screws securing the Conventional MFR Cell to the bottom housing