- 92VU shelf receptacle 210VC (214VC) and connector 210VC-A(214VC-A)
- receptacle 1970VC (1521VC) and connector 1970VC-A(1521VC-A)
- receptacle 2973VC and connector 2973VC-A (right wing only)
- receptacle 7155VC(7110VC) and connector 7155VC-A(7110VC-A)
- pressure seal feedthrough 4017VP(4016VP)
- shorting plug 4043VC-A(4044VC-A) and receptacle 4043VC(4044VC)
- connector 4040VC1(2)-A, pins C, X and B
- 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 28-42-11) ((Ref. AWM 28-42-10)):
- FQIC rack connector 3QT-A, pin 10D(4J) to connector 4040VC1(2)-A, pin C (probe 10 signal)
- FQIC rack connector 3QT-A, pin 1C(6J) to connector 4040VC1(2)-A, pin X (common drive return)
- FQIC rack connector 3QT-A, pin 15D(15K) to connector 4040VC1(2)-A, pin B (common drive).
(d) Repair all the unserviceable wiring and connectors (Ref. ESPM 20-00-00).
「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 A260
May 01/05 CES
(e) Connect the:
- shorting plug 4043VC-A(4044VC-A) to the receptacle 4043VC-A(4044VC-A) (Ref. AMM TASK 28-42-43-400-008)
- tank wall connector 4040VC1-A(4040VC2-A) to the receptacle 4040VC1(4040VC2).
(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 the 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, L WING TK INR (14QT1) (HARNESS-CHAN B, R WING TK INR (14QT2)) (Ref. AWM 28-42-13) ((Ref. AWM 28-42-12)) and replace, if necessary, (Ref. AMM TASK 28-42-43-000-007) and (Ref. AMM TASK 28-42-43-400-007).
(6) If the harness 14QT1(2) is serviceable, replace the PROBE-FUEL QTY NO 10, RIB 11-12 L WNG TK INR GROUP B (30QT1) (PROBE-FUEL QTY NO 10, RIB 11-12 R WNG TK INR GROUP B (30QT2)) (Ref. AMM TASK 28-42-15-000-001) and (Ref. AMM TASK 28-42-15-400-001).
**ON A/C 301-399,
A. Procedure
NOTE : Where applicable, to show the difference between the left and
____ right wing installations, the FINs given in this procedure are written as follows:
- the left wing, no parenthesis, FIN
- the right wing, in parenthesis, (FIN).
(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 is serviceable before you start more steps.
(2) If the message L(R) QTY PROBE 30QT1(2) or L(R) QTY PROBE 30QT1(2)/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 L(R) QTY PROBE 30QT1(2) or L(R) QTY PROBE 30QT1(2)/WRG is shown:
(a) Remove the temporary installed serviceable FQIC 3QT (Ref. AMM TASK 28-42-34-000-001) and return it to stores.
「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 A261
301-399, May 01/05 CES
(b) Get access to the tank wall connector 4040VC1(2)-A and the shorting plug 4043VC-A(4044VC-A) (Ref. AMM TASK 28-42-43-000-008).
1 Disconnect the:
_
- tank wall connector 4040VC1(2)-A
- shorting plug 4043VC-A(4044VC-A).
(c) Do a visual inspection and electrical tests of the aircraft wiring (Ref. AWM 28-42-11) ((Ref. AWM 28-42-10)) and (Ref. AWM 28-42-13) ((Ref. AWM 28-42-12)) between the FQIC rack connector 3QT-A and the tank wall connector 4040VC1-A(4040VC2-A) as follows:
NOTE : Each capacitive fuel probe is supplied with an alternating
____ current drive from the FQIC. The fuel probes in a tank group (harness) share the drive and drive return (two aircraft wires) between the FQIC rack connector and the connector 4043VC-A (4044VC-A). The connector is adjacent to and below its related tank wall connector. In the connector:
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