Motorola EP450

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HKLN4215A December 3, 2003
Non-Display Model Disassembly and Re-assembly: Disassembling and Re-assembling the Radio — General 7-11
12. Snap chassis assembly completely into the top of the front cover (Figure 7-14) until it settles in
place.
13. Make sure the O-ring is properly seated. If the O-ring seal is pinched, separate the chassis from
the housing using the knob removal/chassis opener and dress O-ring properly.
14. Snap the bottom of the chassis into the front cover.
15. Check that O-ring is visible at the corners.
16. After closing the radio, verify that the O-ring is not visible; if visible, re-assemble properly.
17. Re-assemble the knobs, antenna, and battery.
7.4.3.5 PTT Re-assembly
1. Place the PTT seal over the ridge around the top hole. Press down to seat the seal around the
ridge.
2. Place the bottom tab in the slot inside the front housing PTT opening. Slightly slide down the PTT
and bow it by placing one finger under the middle of the PTT, so that the top tab can be aligned
and inserted into the top slot (Figure 7-15a).
Figure 7-13. Microphone and Speaker Wires Re-assembly
Figure 7-14. Fastening the Chassis
Speaker Connector
Microphone
Connector
Shroud
Radio Chassis