Documents are only to be used and distributed completely and unchanged. It is strictly the users´ responsibility to check carefully
the validity of this document with respect to his product. manual-no.:
999001 / 04/04/2012
Note:
Some of the components on the printed circuit board are sensitive to electrostatic discharge.
Do not touch components. If necessary, ground the printed circuit board and the person replacing the
battery suitably.
Attention:
Use only a battery of the recommended type (see ”Technical data”).
The battery must not be charged or connected to an external voltage.
➨
Remove the battery.
➨
Insert the new battery into the battery compartment cor-
rectly matching the positive and negative polarity (as
shown by the engraving inside the compartment).
☞
When reassembling the vacuum gauge, make sure that
the switch pad and the printed circuit board are positioned
correctly.
➨
Carefully screw both parts of the housing together.
battery
switch pad
printed circuit board
Replacing the battery
➨
Unscrew the four countersunk head screws at the rear
side of the housing with a Phillips screw driver.
➨
Disassemble the housing parts carefully.
Attention
: The two housing parts are connected by the
sensor cable.