ACA CD-107 설치, 작동, 유지보수 및 부품 설명서 - 페이지 10

{카테고리_이름} ACA CD-107에 대한 설치, 작동, 유지보수 및 부품 설명서을 온라인으로 검색하거나 PDF를 다운로드하세요. ACA CD-107 17 페이지. Rotating directionial siren

페이지 인쇄

TROUBLE-SHOOTING CHECK LIST

SYMPTOMS

A - Siren motor does not start and siren does not rotate.

POSSIBLE CAUSE

1.No power to motor controls

2.Defective magnetic starter relay

3.Burned or pitted magnetic starter relay

contacts

4.Loose connections in control panel

5.Overload is kicked out on starter relay

6.Electric motor windings either open or

shorted

7.Remote actuating system defective

8.Worn collector rings or brushes

9.Dirty or corroded collector rings

10.Loose connection on collector ring assembly

11.Ice in siren rotor-stator

B - Siren operates with difficulty or erratically.

POSSIBLE CAUSE

1.Siren air intake clogged

2.Build-up of foreign material between siren

rotor and stator

3.Rotation mechanism binding

C - Siren sounds but does not rotate.

POSSIBLE CAUSE

1.Foreign material jamming rotating

mechanism

2.Defective gear reducer

3.Broken jaw coupling

4.Loose setscrew on jaw coupling

5.Improper torque adjustment on drive chain

assembly

6.Chain slipping or off track

7.Broken drive chain

8.Upper or lower bearing seized

CORRECTIVE PROCEDURE

1.Check fuses and power supply

2. Replace relay

3. Replace relay

4.Check and repair

5.Trace overload and correct the cause

6.Test motor and replace

7.Trouble-shoot and correct

8.Replace

9.Clean and polish

10.Trace and repair

11.De-ice with hot antifreeze or hot air blower.

Do not use flame near fiberglass

CORRECTIVE PROCEDURE

1. Clear obstruction

2. Disassemble housing and clean. Air gap

should be .025 inch or more.

3. Inspect to determine cause and free-up or

replace defective parts

CORRECTIVE PROCEDURE

1.Clear obstructions

2.Replace

3.Replace

4.Retighten

5.Adjust torque spring to correct slippage

6.Adjust torque spring or replace chain

7.Repair broken links

8.Free-up and lubricate or replace

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