Motorola EP450 service manual Antenna and Knob Removal

7-4 Non-Display Model Disassembly and Re-assembly:Disassembling and Re-assembling the Radio — General

3.Remove the antenna.

4.Pry off the volume and channel selector knobs from their shafts using the knob removal/chassis opener tool (Motorola part # 6686533Z01). (Figure 7-2)

Figure 7-2. Antenna and Knob Removal

Note: Both knobs slide on and off. However the knobs are designed to fit very tightly on the shaft.

5.Separate the chassis from the front housing assembly by using the knob remover/chassis opener too. Place the broad side of the opener into the slots located at the base of the radio (Figure 7-3). Press the handle on the opener downwards. This pressing action forces the thin inner plastic wall toward the base of the radio, releasing the two chassis base tabs..

Knob Remover/

Chassis Opener

Radio Chassis

Figure 7-3. Chassis Removal

CAUTION: Marring the front cover O-ring sealing area will prevent the radio from sealing properly. If the

!O-ring is damaged, replace it with a new one.

Note: The speaker wire assembly microphone wire assembly and keypad ribbon connector con- necting the front housing assembly and the chassis prevent the two units from being com- pletely separated

December 3, 2003 HKLN4215A