✓
Turn the gauge off.
✓
Remove the display panel assembly by loosening the four
captive screws on the display panel. Disconnect the ribbon cable
from the baseboard. The ribbon cable connection is a locking
release. To disconnect, push the levers on either side of the
ribbon down.
✓
Remove the four screws that attach the topshell to the gauge
base. Lift the topshell up and secure it to the handle.
✓
After noting the polarity of the connection, disconnect the
battery pack. The connector is a white plug with red and black
wires. Do not remove the connector with the red jumper.
✓
Loosen the battery pack screw closest to the baseboard. This
screw does not have to be completely removed in order to
remove the pack.
✓
To remove the battery pack, slide the pack forward and lift up.
✓
Replace the battery pack by sliding the optional alkaline battery
case beneath the rear screw and washer.
✓
Replace the front screw for the battery case.
✓
Connect the battery case to the baseboard, observing the correct
polarity.
✓
Replace the topshell. Be careful not to over-tighten the
screws, and tighten them evenly to prevent warping of the
topshell (tighten to about 6 in-lb torque).
✓
Reconnect the ribbon cable to the baseboard assembly and
replace the front panel assembly.