Replace the LCD

1. Turn on the instrument and allow for the sensors to stabilize. Calibrate sensors

2. Remove the battery

a) Turn the instrument face down and unscrew on the battery pack.

b) Remove the battery pack and the four screws in the battery compartment.

3. Remove the front shell:

a) Remove the two screws at the top of the instrument and pull the back shell apart from the front shell.

b) Remove the two screws holding the PCB in place.

c) Remove the PCB assembly from the front shell.

4.Remove the LCD:

a) Disengage the two snaps on the upper sides of the LCD carrier

b) Swing LCD forward watching for the ZIF connector

c) Lift the latch on the ZIF connector, pull the LCD cable forward and remove LCD assembly to remove the LCD assembly

d) Pull the LCD cable forward and remove the LCD assembly

5.Retrieve the new LCD.

6.Attach the LCD:

a) Insert the LCD ribbon cable into the ZIF connector and press down on the ZIF connector latch to engage the cabley

b) Lever the LCD assembly back towards the PCB, then press down until the side snaps are engaged.

c) On the front shell, ensure the LCD gasket is aligned with the pins. The frame should be facing up.

7. Attach the front shell

a) Place the PCB into the front shell and insert the two screws (torque 3-4 in-lbs) to fasten both pieces.

b) Replace the back shell and install the four screws back into the battery compartment (torque 4-5 in-lbs).

c) Reinstall the 2 screws at the top of the instrument (torque 4-5 in-lbs).

8. Attach the battery:

a) To place the battery pack correctly, first engage hooks on the bottom of the battery pack.

b) Push the battery pack into place and tighten the battery retention screw (torque 4-5 in-lbs).

c) Turn on the instrument and allow for the sensors to stabilize.