Chassis Assembly/Re-Assembly - Motorola EP450 Basic Service Manual

Non-Display Model Disassembly and Re-assembly: Disassembling and Re-assembling the Radio — General
.
Note: Make sure the speaker and microphone wires are routed tightly between the speaker basket
6. Insert one end of the speaker retainer into the slot in the front housing (See
Speaker Retainer
Speaker
Front Housing Slot
Note: When fastening the speaker retainer screw, make sure the wires are out of the way to pre-
7. Install the retainer screw using a T6 Torx screwdriver. Torque to 2.3 - 2.5 lb/in.

7.4.3.3 Chassis Assembly/Re-assembly

1. Replace the battery contact seal (if necessary) surrounding the battery contact
2. Remove the old Interface Pad from the chassis by scraping off the pad and adhesive with a
3. Place the main circuit board straight down on top of the chassis with the frequency and volume
Note: Be sure the battery contact seal protrudes through the chassis and is not pinched under the
4. Use the T6 Torx screwdriver to fasten the screws holding the main board to the chassis. Tighten
5. Replace the O-ring by positioning it in the top groove by the volume/frequency switches. Stretch
6. Check that the O-ring is not twisted and is being held by the top and bottom chassis groves.
7. Replace the audio jack shroud.
HKLN4215A
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and the housing post
Figure 7-11. Speaker Re-assembly
vent pinching by the retainer.
straight razor. Use rubbing alcohol and a cloth to completely remove the adhesive from the chas-
sis surface. With the chassis clean and dry, add a new Interface Pad to the chassis.
switches facing down.
chassis.
to 3.7 - 3.9 in/lb.
the O-ring to place it into the retaining groove at the bottom end of the chassis.
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Speaker Tab
Tab Opening
7-9
Figure 7-11)..
(Figure 7-12).
December 3, 2003