3-6 EX500 Radio Disassembly — Detailed
5. Separate the chassis from the internal electronics front cover assembly as follows:
a. Insert a small, flat blade screwdriver, or similar instrument, in between the thin retaining
wall and the chassis at the bottom of the radio. Do not mar the O-ring sealing area on the
housing.
b. Slowly pry the bottom of the chassis from the cover by pushing the chassis opener (part
number 6680702Z01) down, and prying the handle of the tool over and behind the base
of the radio. This prying action forces the thin inner plastic wall toward the base of the
radio, releasing the two chassis base tabs.
Figure 3-3 Chassis Removal
6. Lay the chassis down. Rotate the front cover backward and slightly away from the chassis.
CAUTION: Marring the front cover O-ring sealing area will prevent the radio
from sealing properly.
NOTE
Flexible ribbon circuits (flexes) connecting the front cover assembly and the chassis prevent
you from completely separating the two units.
Radio Chassis
Chassis Opener
Chassis Base Tabs
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