Philips 862474 ユーザーズマニュアル

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Disassembly Procedures
Disassembly   
7-5
 Removing the
Navigation
Wheel
3
Disconnect both battery lug terminals to release the battery. 
4
When you re-insert the battery, verify that the battery is inserted the correct way 
and the polarity is correct (see figure below).
Step
Action
Black
Red
Step
Action
1
Firmly grasp both sides of the wheel and pull straight back from the monitor. 
The wheel should slip off the encoder shaft. If the wheel does not slip off the 
encoder shaft, use the needle-nose pliers and pull the wheel.
2
For further disassembly, use the 10 mm socket wrench to unscrew the brass hex 
nut.