-------------------------------------------------| SIGNAL LINE | CONNECTOR 10QG-B | |-----------------------------|-------------------| | MOTOR 2 CLOSE 28VDC SUPPLY | C | | MOTOR 2 GROUND/EARTH | E | -------------------------------------------------
NOTE : If the ground/earth is missing from the pin E, of
____ connector 10QG-B, motor 2 of the actuator would not operate. In such a case the valve would move slowly in both directions powered by motor 1 only.
(5) If the supplies are:
(a) Correct as given in the tables above:
1 Replace the ACTUATOR-LP FUEL VALVE, ENG 2 (10QG), (Ref. AMM
_ TASK 28-24-51-000-001), and (Ref. AMM TASK 28-24-51-400-001).
2 If the fault continues:
_
- replace the VALVE-LP FUEL, ENG 2 (13QM), (Ref. AMM TASK 28-24-41-000-001), and (Ref. AMM TASK 28-24-41-400-001).
(b) Not correct as given in the tables above:
- do a check of the RELAY-ENG/MASTER 2 (12QG) 103VU126 and replace if necessary.
(6) Do the test given in Para. 3.A.
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(7) If the fault continues do a wiring check (Ref. AWM 28-24-02) of the:
- aircraft wiring (motor 1 close supply) between the RELAY-ENG/MASTER 2 (12QG), terminal A1, and the electrical supply connector 10QG-A, pin C
- aircraft wiring (motor 2 close supply) between the RELAY-ENG/MASTER 2 (12QG), terminal B1, and the electrical supply connector 10QG-B, pin C.
(8) Repair all the unserviceable wiring and connectors.
(9) Do the test given in Para. 3.A.
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ENGINE LP FUEL SHUT OFF - TASK SUPPORTING DATA
______________________________________________
1. General
_______ The diagrams that follow are to give you an introduction into the Engine LP Fuel Shut-off System. This is to help you do the trouble-shooting tasks.
For the Engine LP Fuel Shut-off System:
- Physical Layout
(Ref. Fig. 301)
- Actuator and Valve Detail
(Ref. Fig. 302)
- Block Diagram
(Ref. Fig. 303)
- LP Fuel Valve Open (Eng/Master Switch On, Eng/Fire Pushbutton Not
Operated)
(Ref. Fig. 304)
- LP Fuel Valve Closed (Eng/Master Switch Off, Eng/Fire Pushbutton Not Operated) (Ref. Fig. 305)
- LP Fuel Valve Closed (Eng/Master Switch On, Eng/Fire Pushbutton Operated) (Ref. Fig. 306)
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Engine LP Fuel Shut-off System - Physical Layout
Figure 301
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞28-24-00∞∞∞∞∞∞∞∞∞∞Page 302
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Engine LP Fuel Shut-off System - Actuator and Valve Detail
Figure 302
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Engine LP Fuel Shut-off System - Block Diagram
Figure 303
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞28-24-00∞∞∞∞∞∞∞∞∞∞Page 304
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LP Fuel Valve Open (Eng/Master Switch On, Eng/Fire Pushbutton Not Operated)
Figure 304
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1 EFF : ALL ∞∞28-24-00∞∞∞∞∞∞∞∞∞∞Page 305
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LP Fuel Valve Closed (Eng/Master Switch Off, Eng/Fire Pushbutton Not Operated) 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：A320 Trouble Shooting Manual 排故手冊 FUEL 燃油2(58)
