Motorola PR400 - Manual (Page 90)

July, 2004 6881096C24-A
8-4 Non-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). (
Figure 8-2 )
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 8-3 ).
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..
Figure 8-2. Antenna and Knob Removal
Note: Both knobs slide on and off. However the knobs are designed to fit very tightly on the shaft .
Figure 8-3. 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
Radio Chassis
Knob Remover/
Chassis Opener
!