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Troubleshooting and Repair
REPLACING THE BATTERY PACK
7.2
The battery pack must be replaced if the capacity of the battery pack declines to the point that
only a few measurements can be carried out before the battery must be recharged. Under normal
circumstances, a battery can undergo approximately 500 charge/discharge cycles.
Procedure:
1. Use the socket screw key (4 x 100) from the service set to remove the attachment bolt.
Pull the battery pack out of the back of the 9065C.
2. Remove the battery pack.
3. If necessary, clean and dry the back of the top block.
4. Fit the new battery pack, making sure the push-pull connectors are positioned correctly.
Use the Allen screw to screw the battery pack into the top block at right angles. Do not
over tighten the Allen screw.
5. If necessary, charge the battery pack.
NOTE:
REPLACING THE O
7.3
The replacement set for the oxygen sensor includes a new sensor, O-rings and a special
screwdriver.
Procedure:
1. Rinse the 9065C via the outlet with gas to dry it.
WARNING!
2. Place the 9065C upside down on a soft, sturdy surface to prevent the components from
becoming scratched.
3. Use the socket screw key from the service set to unscrew the 6 screws.
4. Remove the protective housing from the measurement chamber unit by first detaching it
near the hose sockets.
5. Use the special screwdriver from the oxygen sensor set to unscrew the 4 screws.
6. Carefully pull the measurement chamber unit straight out of the 9065C. Put the 9065C
aside so that the PT100, which protrudes from the bottom, is not damaged.
7. Push the oxygen sensor from the bottom upwards out of the measurement chamber unit.
35
The old battery pack must be sent to an appropriate waste
disposal organization or can be returned to Waltron (Also
see the text on the battery pack).
SENSOR
2
If there is still liquid in the measurement chamber unit, this
liquid may get into the electronics when the unit is removed.
9065C Portable Luminescent Dissolved Oxygen Analyzer
Waltron User Manual
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