F 『
E C F M E
E E
E 56 E
E E
TASK 77-30-00-810-832
Loss of the EVMU Output Bus
1. Possible Causes
_______________
- EVMU (2EV)
- wiring from the EVMU (2EV) pins AA/13A, 13C to the first terminal block
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 31-50-00-710-001 Ground Scanning of the Central Warning System AMM 77-32-34-000-042 Removal of the Engine Vibration Monitoring Unit (EVMU) AMM 77-32-34-400-042 Installation of the Engine Vibration Monitoring Unit (EVMU) ASM 77-32/02
3. Fault Confirmation
__________________
A. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
-------------------------------------------------------------------------------
121VU ENGINE/ENG1 AND 2/EVMU 1EV R44
B. Do the operational test of the Central Warning Systems (SDAC) (Ref. AMM TASK 31-50-00-710-001).
4. Fault Isolation
_______________
A. If the test gives the maintenance message SDAC2 : NO DATA FROM EVMU:
- replace the EVMU (2EV) (Ref. AMM TASK 77-32-34-000-042) and (Ref. AMM TASK 77-32-34-400-042).
(1) If the fault continues:
- do a check and repair the wiring from the EVMU (2EV) pins AA/13A, 13C to the first terminal block (Ref. ASM 77-32/02).
B. Do the test given in Para. 3.
F 『 EEFF : ALL E ∞∞77-30-00∞∞∞∞∞∞∞∞∞∞Page 225
E E Feb 01/98 E E ECES
E
中國(guó)航空網(wǎng) m.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320 Trouble Shooting Manual 排故手冊(cè) 發(fā)動(dòng)機(jī)指示(192)
