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PRODUCT 

SUPPORT 

MANUAL

 

 
 

Y1-03-0057 

(25-60-06) 

Overhaul Manual 

with Illustrated 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 

www.acrelectronics.com 

Email:  Info@acrelectronics.com 

 

 

 
 
 

 

Chelton Group

 company

 

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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