Panasonic ER2403 Service Manual page 6

4.2. Disassembly Instructions for ER2405
1. Remove the attachment and the blade.
2. Loosen two housing screws.
3. Remove the housing C.
4. Insert the flat-head screwdriver into the hole of switch
handle and raise it up.
5. Take out the switch cam and the O-ring.
NOTE:
Make sure not to lose them.
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