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Step 1 — Opening the case
Use plastic opening tools to pry open the case starting on the long side. The cover has a total of 8 clips, 4 of which (located on the long sides) are designed so they will be destroyed when the device is opened.
Step 2 — Loosening the adhesive
After prying open 3 sides of the cover, it is still attached to the aluminium cover by double-sided adhesive tape. Use a screwdriver to create a small gap and use the scalpel to cut the adhesive. Alternatively you can losen the adhesive with a heat gun.
Step 3 — Remove the case cover
After loosening the adhesive, the case cover can be easily removed.
Step 4 — Remove the battery cover
Remove the two screws of the battery cover with a TX5 screwdriver.
Step 5 — Remove any adhesive residue
Remove any adhesive residue from the battery cover and the housing cover with a scalpel / rubbing alcohol.
Step 6 — Disconnect the battery
Then carefully disconnect the flex cable of the battery, making sure that the contacts are not being short-circuited.
Step 7 — Remove the battery
The battery is glued to the housing, it takes some force to remove it. Be very careful not to puncture the battery as it might catch fire and/or explode! Dispose of the old battery professionally.
Step 8 — Insert new battery
The new battery can be fixed immediately by the remaining adhesive residue. Reconnect the flex cable of the new battery, making sure that the contacts are not short-circuited.
Step 9 — Control function
The display now shows the indication of an empty battery.
Step 10 — Secure the battery cover
Secure the battery cover with the two TX 5 screws. Ensure a good fit of the housing cover with a few strips of double-sided tape as shown in the picture. However, do not use too much which would hinder another future disassembly.
Step 11 — Finish the reassembly
The case cover can be put back despite the four missing fixations and should be quite quite firmly seated.
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