(c) Do a visual inspection and electrical tests of the aircraft wiring (Ref. AWM 28-42-16) between the FQIC rack connector 3QT-A and the tank wall connector 7512VC-A as follows:
1 Visual Inspection
_ Make sure that good lighting is available. Do a visual inspection and look for distortion (bent, pinched or stretched), damage (broken, chafed or cut), discoloration, overheating (burnt, melted or arcing), liquid contamination,
「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 ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page B218
Aug 01/05 CES loose electrical connection or incorrect assembly, of the
items that follow:
- FQIC rack connector 3QT-A, pins 4C, 10C and 13E
- receptacle 210VC and connector 210VC-A
- receptacle 1970VC and connector 1970VC-A
- terminal block 7522VT and all of its connections
- receptacle 7570VC and connector 7570VC-A
- pressure seal feedthrough 7510VP
- receptacle 7512VC-A, pins B, T and A
- adjacent and related connecting wires.
2 Electrical Tests
_ Do a continuity test (Ref. ESPM 20-52-21) and a test for a short circuit (Ref. ESPM 20-52-22) of the wires that follow (Ref. AWM 28-42-16):
- FQIC rack connector 3QT-A, pin 4C to connector 7512VC-A, pin B (signal)
- FQIC rack connector 3QT-A, pin 10C to connector 7512VC-A, pin T (common drive return)
- FQIC rack connector 3QT-A, pin 13E to connector 7512VC-A, pin A (common drive).
(d) Repair all the unserviceable wiring and connectors (Ref. ESPM 20-00-00).
(e) Connect the connector 7512VC-A to the tank wall receptacle 7512VC.
(f) Install the initial FQIC 3QT (Ref. AMM TASK 28-42-34-400-001).
(g) Do the test given in Para. 3.B.
(4) If the fault continues, drain and open the tank to air (Ref. AMM TASK 28-10-00-910-001) and (Ref. AMM TASK 28-10-00-910-002).
(5) Do a check of the HARNESS-CHAN B, CTR TK (18QT) (Ref. AWM 28-42-16) and replace, if necessary, (Ref. AMM TASK 28-42-44-000-002) and (Ref. AMM TASK 28-42-44-400-002).
(6) If the harness 18QT is serviceable, replace the PROBE-FUEL QTY, NO 1 CTR TK GROUP B (35QT) (Ref. AMM TASK 28-42-15-000-002) and (Ref. AMM TASK 28-42-15-400-002).
「一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一一1R EFF : 001-049, 051-061, 101-105, 201-203, ∞∞28-42-00∞∞∞∞∞∞∞∞∞∞Page B219
May 01/05 CES
**ON A/C 301-399,
A. Procedure
(1) Temporarily replace the FQIC 3QT with a serviceable item (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001).
NOTE : The step (1) has been included because it is important to make
____ sure that the FQIC 3QT is serviceable before you start more steps.
(2) If the message C QTY PROBE 35QT or C QTY PROBE 35QT/WRG is not shown:
- complete the installation of the FQIC (3QT) (Ref. AMM TASK 28-42-34-000-001) and (Ref. AMM TASK 28-42-34-400-001).
(3) If the message C QTY PROBE 35QT or C QTY PROBE 35QT/WRG is shown:
(a) Remove the temporarily installed FQIC 3QT and return it to stores (Ref. AMM TASK 28-42-34-000-001).
(b) Get access to the tank wall connector 7512VC in the right MLG bay (Ref. AMM TASK 32-12-00-010-001).
(c) Do a visual inspection and electrical tests of the aircraft wiring (Ref. AWM 28-42-16) between the FQIC rack connector 3QT-A and the tank wall connector 7512VC-A as follows:
1 Visual Inspection
_ Make sure that good lighting is available. Do a visual inspection and look for distortion (bent, pinched or stretched), damage (broken, chafed or cut), discoloration, overheating (burnt, melted or arcing), liquid contamination, loose electrical connection or incorrect assembly, of the items that follow:
- FQIC rack connector 3QT-A, pins 6G, 7J and 7H
- receptacle 210VC and connector 210VC-A
- receptacle 1970VC and connector 1970VC-A
- terminal block 7522VT and all of its connections
- receptacle 7570VC and connector 7570VC-A
- pressure seal feedthrough 7510VP
- receptacle 7512VC-A, pins B, T and A
- adjacent and related connecting wires.
2 Electrical Tests
_ Do a continuity test (Ref. ESPM 20-52-21) and a test for a short circuit (Ref. ESPM 20-52-22) of the wires that follow (Ref. AWM 28-42-16):
- FQIC rack connector 3QT-A, pin 6G to connector 7512VC-A, pin B (signal)
- FQIC rack connector 3QT-A, pin 7J to connector 7512VC-A, pin T (common drive return) 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3(21)
