9.3 Batterychange
BeforeopeningtheBENNINGMM8/9/0makequitesurethat
itisvoltagefree!Electrical danger!
The BENNING MM 8 is supplied by two 1.5-V micro batteries, the
B ENNING MM 9/ 10 is supplied by a fitted 9 V block battery.
A battery change (see Figure 11) is required, if in the display the battery
symbol appears.
Proceed as follows to replace the batteries:
-
D isconnect the safety measuring cables from the measuring circuit.
-
D isconnect
B ENNING MM 8/ 9/ 10.
-
T urn the rotary switch to the switch setting "OFF".
-
R emove the rubber protection frame M from the BENNING MM 8/ 9/ 10.
- L ay the BENNING MM 8/ 9/ 10 face down and release the two slot screws
of the battery compartment cover.
-
L ift the battery compartment lid (in the housing recess area) from the bottom
section.
-
L ift the discharged battery/ batteries from the battery compartment and
carefully disconnect the battery supply lines (BENNING MM 9/ 10) from the
battery.
-
T he new batteries have to be connected to the battery supply lines, and
arrange these such that they are not crushed between the housing parts
(BENNING MM 9/ 10). Place the battery/batteries into the battery compart-
ment provided for this purpose.
-
P lace the battery compartment cover onto the bottom part and tighten the
screws.
-
I nsert the BENNING MM 8/ 9/ 10 into the rubber protection frame .
see figure 11:
Make your contribution to environmental protection! Do not
dispose of discharged batteries in the household garbage.
Instead, take them to a collecting point for discharged
batteries and special waste material. Please inform yourself
inyourcommunity.
9.4 Fusereplacement(BENNING MM 9/ 10)
BeforeopeningtheBENNINGMM9/0makequitesurethat it
isvoltagefree!Electrical danger!
The BENNING MM 9/ 10 is protected against overload conditions by means of
a fitted fuse (G melt insert) 10 A (see Figure 12)
Proceed as follows to replace the fuse:
-
Disconnect the safety measuring cables from the measuring circuit.
-
Disconnect the safety measuring cables from the BENNING MM 9/10/.
-
Turn the rotary switch to the switch setting "OFF".
-
Remove the rubber protection frame from the BENNING MM 9/ 10.
- L ay the BENNING MM 9/ 10 face down and release the four slot screws of
the housing bottom.
Do not undo any screws on the printed circuit of the
B ENNINGMM9/0!
-
L ift up the housing bottom in the lower section and remove the same at the
top from the front section.
- L ift one end of the defective fuse from the fuse holder.
-
F ully push the defective fuse out of the fuse holder.
- I nsert a new fuse which has the same current rating, disconnecting charac-
teristic and dimensions.
-
M ake sure that the new fuse is seated centred in the holder.
-
O rder the battery supply lines such that they are not crushed between the
housing parts.
-
E ngage the front end on the housing bottom and fit the three screws.
-
Insert the BENNING MM 9/ 10 into the rubber protection frame .
see figure 12:
11/ 2006
Electricaldanger!
the
two
Battery change
Electricaldanger!
Fuse replacement
B ENNINGMM8/9/10
safety
measuring
in the household garbage.
that
cables
from
yourself
thatit
the
9