Disassembly/Reassembly Procedures
57
Housing 1. If a leak occurs at the lens, universal connector, casting/housing
interface, or PTT/Ratt button area of the housing, replace the
housing. Referring to “Disassembly” on page 48:
a. Remove the housing assembly (2) from the radio.
b. Discard the housing assembly (2) and main seal o-ring (55).
c. Install a new main seal o-ring (55) around the casting
assembly (51).
d. Install a new housing assembly (2) to the radio.
e. Inspect the main seal (55) for proper seating.
f. Observe carefully to ensure that the main seal o-ring (55) is
not pinched between the housing (2) and the casting (51).
2. If the leak occurs at the control top area, remove the knobs, knob
inserts and antenna in order to determine the leak location:
a. Conduct the Pressure Test.
b. Identify the leak location.
Antenna Bushing Seal 1. Referring to “Radio Disassembly and Reassembly” on page 48,
remove the housing assembly (2) from the radio.
2. Remove and discard the antenna bushing gasket (54).
3. Inspect the housing seal surface for debris or damage. Remove
any debris and replace housing if damaged.
4. Install new antenna bushing gasket (54).
5. Install a new main seal o-ring (55) around the casting assembly
(51).
6. Reassemble the housing assembly (2) to the radio.
7. Inspect the main seal (55) for proper seating. Observe carefully to
ensure that the main seal o-ring is not pinched between the
housing (2) and the casting (51).
Controls Seal 1. Referring to “Radio Disassembly and Reassembly” on page 48,
remove the housing assembly (2) from the radio.
2. Remove the speaker retainer screw (23).
3. Remove the speaker retainer (36).
4. Install the universal connector cover (5) (see page 43). This will
hold the universal connector in place when the controls flex is
removed.
Removing the controls flex without installing the universal
connector cover may compromise the universal connector.
5. Disconnect the controls flex (18) from the universal connector by
disengaging the spring tab on the backer from the catch features
on the housing.
6. Disconnect the controls flex’s (18) 22-pin connector from PTT
area of the housing assembly (2).
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