DMTA-10055-01EN, Rev. A, February 2015
Maintenance and Troubleshooting
297
12. Maintenance and Troubleshooting
This chapter details the maintenance tasks to be performed on the EPOCH 650
ultrasonic flaw detector and provides a troubleshooting guide.
12.1 Replacing the Battery
The lithium-ion (Li-ion) battery is the primary method for powering the EPOCH 650
ultrasonic flaw detector. This battery comes installed in every instrument.
To replace the lithium-ion battery
1. Turn off the EPOCH 650 and disconnect DC power.
2. Fully unfold the pipe stand at the back of the instrument (see Figure 12-1 on
page 298).
3. Loosen the two thumb screws securing the battery compartment cover and
remove the cover.
4. Remove the used battery from the battery compartment.
5. Ensure that the gasket around the battery compartment cover is clean and in good
condition.
6. Install a new battery in the battery compartment.
Make sure the battery connectors align with the connectors in the battery
compartment.
7. Install the battery compartment cover, making sure the tab on the cover fits the
slot on the bottom of the instrument.
8. Tighten the two thumb screws on the cover.
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