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AMM 22-62-00-710-001 Operational Test of the Rudder Trim Function ASM 22-67/01
 3. Fault Confirmation
__________________
 A. Make sure that this(these) circuit breaker(s) is(are) closed:
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU AUTO FLT/RUDDER/TRIM/IND 15CC M20
 B. Test
 (1) Do the operational test of the rudder trim function (Ref. AMM TASK 22-62-00-710-001).
 (a) If the circuit breaker 15CC is open refer to Para. 4.B.
 4. Fault Isolation
_______________
 A. If the circuit breaker 15CC is closed, and if no indication shows in the rudder trim indicator:
 - do a check for 28VDC at the rudder trim indicator (17CC).
 (1) If there is 28VDC:
 - replace the IND-RUDDER TRIM (17CC).
 「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 ∞∞22-62-00∞∞∞∞∞∞∞∞∞∞Page 231
 May 01/98R
 CES  (2) If there is no 28VDC:

 - do a check of the wiring of the 28VDC signal from the circuit breaker (15CC) to the rudder trim indicator (17CC)

 - do a check of the wiring of the ground signal at the rudder trim indicator (17CC) pin A/F. (Ref. ASM 22-67/01).

 (a) If there is no continuity:

 - repair the above wirings.

 (b) If there is continuity:

 - replace the C/B-AUTO FLT/RUDDER/TRIM/IND (15CC).
 B. If the circuit breaker 15CC is open:
 - close this circuit breaker.
 (1) If the circuit breaker 15CC opens again:
 - replace the IND-RUDDER TRIM (17CC).
 (a) If the fault continues:
 - do a check for a short to ground between the circuit breaker (15CC) and the rudder trim indicator (17CC) (Ref. ASM 22-67/01).
 1_ If there is a short to ground:
 - repair the above wiring.
 2_ If there is no short to ground:

 - replace the C/B-AUTO FLT/RUDDER/TRIM/IND (15CC).
 C. Do the test given in Para. 3.
 「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 ∞∞22-62-00∞∞∞∞∞∞∞∞∞∞Page 232
 May 01/98R
 CES  Rudder Trim Indicator Inoperative

 1. Possible Causes
_______________
 - IND-RUDDER TRIM (17CC)

 - wiring of the FAC 1 bus from the rudder-trim indicator (17CC) to the first terminal block

 - wiring of the FAC 2 bus from the rudder-trim indicator (17CC) to the first terminal block

 2. Job Set-up Information
______________________
 A. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
AMM 22-62-00-710-001 Operational Test of the Rudder Trim Function
 ASM 22-69/01

 3. Fault Confirmation
__________________
 A. Test
 (1) Do the operational test of the rudder trim function (Ref. AMM TASK 22-62-00-710-001).
 4. Fault Isolation
_______________
 A. If the values shown on the rudder-trim indicator do not agree with the rudder movement indication on the lower ECAM DU (with the FAC 1 engaged):
 - replace the IND-RUDDER TRIM (17CC).
 (1) If the fault continues:
 - do a check and repair the wiring of the FAC 1 bus from the rudder-trim indicator (17CC) to the first terminal block, (Ref. ASM 22-69/01).
 B. If the values shown on the rudder-trim indicator do not agree with the rudder movement indication on the lower ECAM DU (with the FAC 2 engaged):
 - replace the IND-RUDDER TRIM (17CC).
 (1) If the fault continues:
 - do a check and repair the wiring of the FAC 2 bus from the rudder-trim indicator (17CC) to the first terminal block, (Ref. ASM 22-69/01).
 C. Do the test given in Para. 3.
 「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 ∞∞22-62-00∞∞∞∞∞∞∞∞∞∞Page 233
 May 01/98R CES

 Reset of the Rudder Trim Inoperative
 1. Possible Causes
_______________
 - FAC-1 (1CC1)

 - ACTUATOR-RUDDER TRIM (10CC)

 - FAC-2 (1CC2) R - electronic module
 - wiring of the RUD TR ORDER and the RUD TR ACT VALID discretes from the FAC 1 (1CC1) to the rudder trim actuator (10CC)
　
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