Figure 6-2. Antenna And Knob Removal; Figure 6-3. Chassis Removal - Motorola PR400 Basic Service Manual

6-4 Full Keypad 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).
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
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.
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.
6. Pull the chassis assembly out of the front cover only until the volume and channel selectors shaft
just clear the top of the case.
July, 2004

Figure 6-2. Antenna and Knob Removal

Radio Chassis

Figure 6-3. Chassis Removal

(Figure 6-4).
(Figure 6-2).
Knob Remover/
Chassis Opener
(Figure 6-3).
6881096C24-A