Heater-Elements
AMM 30-71-34-000-001 Removal of the Waste-Water Ice-Protection
Control-Unit
AMM 30-71-34-400-001 Installation of the Waste-Water Ice-Protection
Control-Unit
AMM 30-71-51-000-001 Removal of the Drain Mast
AMM 30-71-51-400-001 Installation of the Drain Mast
ASM 30-71/01
TSM 23730081082700
3. Fault Confirmation
__________________
A. Do the operational test of the waste-water ice-protection system (Ref. AMM TASK 30-71-00-710-001).
4. Fault Isolation
_______________
A. If the fault message on the PTP 110RH shows 'DRAINMAST UNIT FWD':
- do the operational test of the CONTROL UNIT 5DU (Ref. AMM TASK 30-71-00-710-002).
(1) If the green 'UNIT' LED of the CONTROL UNIT 5DU does not come on:
- replace the CONTROL UNIT (5DU) (Ref. AMM TASK 30-71-34-000-001) and (Ref. AMM TASK 30-71-34-400-001).
(a) If the fault continues:
- replace the DRAINMAST-FWD (4DU) (Ref. AMM TASK 30-71-51-000-001) and (Ref. AMM TASK 30-71-51-400-001).
「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 ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 205
Feb 01/98 CES (b) If the fault continues:
- do a check and repair the wiring between: CONTROL UNIT 5DU connector A/4 and DRAINMAST 4DU connector A/D, CONTROL UNIT 5DU connector A/5 and DRAINMAST 4DU connector A/E, DRAINMAST 4DU connector A/C and GND, DRAINMAST 4DU connector A/A and GND (Ref. ASM 30-71/01).
(2) If the green 'UNIT' LED of the CONTROL UNIT 5DU comes on:
- do a check and repair the wiring if necessary between: CONTROL UNIT 5DU connector A/19 and DEU-B 300RH1 connector C/35, CONTROL UNIT 5DU connector A/14 and CB 1DU, CONTROL UNIT 5DU connector A/15 and GND (Ref. ASM 30-71/01).
(a) If the fault continues:
- replace the DEU-B (300RH1) (Ref. AMM TASK 23-73-47-000-001) and (Ref. AMM TASK 23-73-47-400-001).
(3) If the fault continues:
- do the trouble shooting procedures for the DEU-B 300RH1 (Ref. TSM 23730081082700).
B. Do the test as given in Para. 3.A.
5. Close-up
________
A. Put the aircraft back to its initial configuration.
Control Unit Failure of AFT Drainmast
1. Possible Causes
_______________
- CONTROL UNIT (15DU)
- DRAINMAST-AFT (14DU)
- DEU-B (300RH5)
- wiring
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 23-73-47-000-001 Removal of the Decoder/Encoder Units (DEU) B 300RH
AMM 23-73-47-400-001 Installation of the Decoder/Encoder Unit (DEU) B
300RH AMM 30-71-00-710-001 Operational Test of the Drainmast Ice Protection AMM 30-71-00-710-002 Operational Test of the Waste-Water Ice-Protection
Heater-Elements
AMM 30-71-34-000-001 Removal of the Waste-Water Ice-Protection
Control-Unit
AMM 30-71-34-400-001 Installation of the Waste-Water Ice-Protection
Control-Unit
AMM 30-71-51-000-001 Removal of the Drain Mast
AMM 30-71-51-400-001 Installation of the Drain Mast
ASM 30-71/01
TSM 23730081083000
3. Fault Confirmation
__________________
A. Do the operational test of the waste-water ice-protection system (Ref. R AMM TASK 30-71-00-710-002).
4. Fault Isolation
_______________
A. If the fault message on the PTP 110RH shows 'DRAINMAST UNIT AFT': R - do the operational test of the CONTROL UNIT 15DU (Ref. AMM TASK 30-71-R 00-710-001).
(1) If the green 'UNIT' LED of the CONTROL UNIT 15DU does not come on:
- replace the CONTROL UNIT (15DU) (Ref. AMM TASK 30-71-34-000-001) and (Ref. AMM TASK 30-71-34-400-001).
(a) If the fault continues:
- replace the DRAINMAST-AFT (14DU) (Ref. AMM TASK 30-71-51-000-001) and (Ref. AMM TASK 30-71-51-400-001).
「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 ∞∞30-71-00∞∞∞∞∞∞∞∞∞∞Page 207
Aug 01/05 CES (b) If the fault continues:
- do a check and repair the wiring between: CONTROL UNIT 15DU connector A/4 and DRAINMAST 14DU connector A/D, CONTROL UNIT 15DU connector A/5 and DRAINMAST 14DU connector A/E, DRAINMAST 14DU connector A/C and GND, DRAINMAST 14DU connector A/A and GND (Ref. ASM 30-71/01).
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