A319 A320 A321 排故手册 TSM Trouble Shooting Manual 11_部分3.pdf320页

(b) If the fault continues: - do a check of the RELAY 5QC and replace if necessary. (c) If the fault continues: - do a check and repair the wiring from the: CB 2QC to the RELAY 6QC A/B2, RELAY 6QC A/C3 to the PRESS SWITCH 7QC A/B, RELAY 5QC A/X1 to the PRESS SWITCH 7QC A/A, RELAY 5QC A/X2 to the GND (Ref. ASM 28-22/01). (2) If the APU FUEL PUMP 4QC does not operate: - replace the PUMP-APU FUEL (4QC) (Ref. AMM TASK 28-22-51-000-001) and (Ref. AMM TASK 28-22-51-400-001), - push the FUEL LINE pushbutton switch 8QC again. (a) If the fault continues: - do a check of the RELAY 5QC and replace if necessary. (b) If the fault continues: - do a check of the RELAY 6QC and replace if necessary. (c) If the fault continues: - do a check of the RELAY 9QC and replace if necessary. (d) If the fault continues: - do a check of the RELAY 4KD and replace if necessary. R R R (e) If the fault continues: - do a check of the RELAY 78KD and replace if necessary. (f) If the fault continues: - do a check and repair the wiring from the: CB 1QC to the RELAY 5QC A/B2 via the RELAY 9QC, CB 2QC to the RELAY 9QC A/A1, CB 2QC to the RELAY 9QC A/X1, RELAY 5QC A/B1,A3 to the APU FUEL PUMP 4QC A/A, RELAY 6QC A/B1 to the RELAY 5QC A/A2, RELAY 6QC A/C2 to the CB 1QF via the RELAYs 4KD, 5WF, 6WF, APU FUEL PUMP 4QC A/B to the GND (Ref. ASM 28-22/01) and (Ref. ASM 28-29/01). C. If the test gives on the lower ECAM display unit the FUEL LO PR advisory is on, but the test was correct with the L main fuel pump and the APU fuel pump: - replace the SWITCH-APU FUEL LP (5030QM) (Ref. AMM TASK 28-22-14-000001) and (Ref. AMM TASK 28-22-14-400-001). (1) If the fault continues: - do a check and repair the wiring from the: APU FUEL LP SWITCH 5030QM P14 to the ECB 59KD AB/B7,B8 (Ref. ASM 49-61/02).

EFF : CES

ALL

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