8.0 DISASSEMBLY
(see Figure 2)
8.1
Megaphone should be disassembled for repair or replacement of
components only.
8.1.1 Remove microphone and mouthpiece assembly (2) by removing
the three set screws (3).
8.1.2 Remove battery cells (4) from the three tubes by tilting megaphone
to allow cells to drop out into the hand.
8.1.3 Unplug alarm plug pin (5) from side of housing.*
8.1.4 Remove volume control knob (6) (pulls off).
8.1.5 Remove the three oval head screws (11) at periphery of the speaker
end of the housing (15).
8.1.6 Extract speaker (7) and megaphone assembly (10) by firstly
turning horn (18) clockwise 45°. Pull entire assembly gently until
it stops. Turn horn (18) counterclockwise 45°, then pull the entire
assembly out.
8.1.7 Separate Speaker Assembly (7) and Megaphone Subassembly (10)
by firstly unplugging the speaker wires from the "out" header.
Remove hex screw that holds the assemblies together.
8.1.8 Disassembly in steps 8.1.1 through 8.1.7 above is sufficient to
examine the megaphone for faults and testing. Further
disassembly is not recommended.
9.0
INSPECTION / CHECK
9.1
Inspect unit for any evidence of damaged parts, loose mountings or broken
leads and dirty electrical contacts.
10.0 REPAIR
10.1
The megaphone consists of three major sub-assemblies; the Microphone
and Mouthpiece Assembly, the Megaphone Sub-Assembly, and the Horn
and Speaker Assembly. Repairs are restricted to the replacement of these
defective sub-assemblies or the batteries and lanyard assemblies.
11.0 ASSEMBLY
Y1-03-0014 Rev. R
7
