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12.0 PARTS 

LIST

 

 
12.1 

Replaceable parts are illustrated in Figure 2, and listed below in the table.  
Part numbers shown in the “Part Number” column may be ordered from 
ACR unless another manufacturer’s name is given in parenthesis in the 
“Description” column.,  In this case, replacement parts can be obtained 
directly from the original manufacturer.  Standard parts (MS-, AN-, etc.) 
and commercially available hardware (‘Commercial’) should be obtained 
from commercial sources. 

 

ITEM

QTY

NOMENCLATURE

ORDER SPARE PARTS

  

 

EM-2BA 

 

EM-2BA 

 

 

 

S/N  < 2000

 

S/N 

 2000

1 1 

Megaphone, Safety 

Obsolete 

 

#2206 

Microphone & Mouthpiece Assy 

9211 

 

9211 

Socket Setscrew Kit 

9416 

 

9416 

Battery AA Alkaline 

Commercial 

 

Commercial 

5 1 

Hole 

Plug 

A1-05-0562 

 

A41-05-0562 

Speaker Assembly     

9419 

(Upgrade Kit) 

 9418 

Screw Self tap (#4 x ¾) 

Commercial 

 

N/A 

Wire leads (#26AWG) 

Commercial 

 

N/A 

Megaphone Subassy  

9419 

(Upgrade Kit) 

 9421 

10 

Screw Machine (#4-40 x 3/8) 

Commercial 

 

Commercial 

11 1 

Handle 

Kit 

9423   9423 

12 & 13 

Strap assembly Kit 

9233 

 

9233 

14 1 

Housing, 

Megaphone 

A1-18-1151 

 

A1-18-1151 

15 1 

Horn, 

Megaphone 

A1-17-0809 

 

A1-17-0809 

 

 

 

 

 

 

S/N 

  2000 are date coded 4/99 +

 

Summary of Contents for EM-2BA MEGAPHONE

Page 1: ...Parts List Rev F EM 2BA Product No 2206 FAA PMA Approved under A3 06 1405 Portable Safety Megaphone ACR Electronics Inc 5757 Ravenswood Road Fort Lauderdale Fl 33312 1 954 981 3333 Fax 1 954 983 5087...

Page 2: ...ttery Replacement 4 6 0 Testing 4 7 0 Trouble Shooting 5 8 0 Disassembly 6 9 0 Inspection Check 6 10 0 Repair 6 11 0 Assembly 7 12 0 Parts List 9 ILLUSTRATION Figure 1 Block Diagram 3 ACR EM 2BA Porta...

Page 3: ...be used effectively in a crowded environment 1 2 The integrated circuit amplifier only uses a small current when turned ON Large currents necessary to drive the speaker are utilized only on voice pea...

Page 4: ...ries are useable as long as the LED flashes 3 2 Hold the megaphone in one hand Place mouth almost in contact with the microphone mouthpiece at the rear of the assembly Squeeze the handle which will fl...

Page 5: ...phone may be cleaned with a soft cloth dampened in a solution of mild household detergent Do not immerse in water or use strong solvents Clean electrical contacts with cloth dampened with isopropyl al...

Page 6: ...e assembly the megaphone sub assembly and the horn and speaker assembly To locate a defect follow the procedure outlined below 6 1 Squeeze the handle If a clicking sound is heard the speaker is operat...

Page 7: ...hone 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 thre...

Page 8: ...blies 11 0 ASSEMBLY 11 1 Assembly of the megaphone is in reverse order of disassembly Follow these instructions 11 1 1 Align Horn 15 and Speaker Assy 6 with location pins on Megaphone Subassembly 9 11...

Page 9: ...ce microphone and mouthpiece assembly 2 Align keyway and secure with the three setscrews 3 11 1 8 Steps 11 1 1 through 11 1 7 complete the assembly of the megaphone After assembly test unit in accorda...

Page 10: ...FIGURE 2 ACR EM 2BA PORTABLE SAFETY MEGAPHONE ILLUSTRATED PARTS LIST 8...

Page 11: ...M QTY NOMENCLATURE ORDER SPARE PARTS EM 2BA EM 2BA S N 2000 S N 2000 1 1 Megaphone Safety Obsolete 2206 2 1 Microphone Mouthpiece Assy 9211 9211 3 3 Socket Setscrew Kit 9416 9416 4 6 Battery AA Alkali...

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