Servicing
Instruction Manual OilGuard 2 W
14809E/2
69
9.1.7
Replacing the battery
DANGER!
Danger due to electrical shock that may result in serious bodily injury or death.
External signal lines may carry life threatening voltage even if the voltage supply to the in-
strument is disconnected. Before opening the instrument, make sure that no connected
lines are charged with voltage.
The following describes the replacement of the battery:
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Interrupt the service voltage to the photome-
ter.
Section 5
2.
Loosen the five screws (circles) with a 7 mm
key and remove the cover.
7 mm hex key
3.
Remove the old battery and replace with a
new one (circle).
The battery is built into the cover on the
connection print (AQ2Conn).