TASK 35-10-00-810-802
REGUL LO PR with Oxygen Consumption without the Use of the Oxygen Mask
1. Possible Causes
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- STOWAGE BOX-OXY MASK, CAPT (10RN1)
- STOWAGE BOX-OXY MASK, F/O (10RN2)
- STOWAGE BOX-OXY MASK, 3RD OCCPNT (10RN3)
- BOX ASSY-STOWAGE, 4TH OCCPNT (5774HM)
- HOSE-STOWAGE BOX (5764HM)
- HOSE-STOWAGE BOX (5765HM)
- HOSE-STOWAGE BOX (5766HM)
- HOSE-STOWAGE BOX (5768HM)
- MANIFOLD-OXY DISTRIBUTION (5753HM)
- TEST PORT-OXY SYS (5755HM)
- HOSE-OXY SPLY (5763HM)
- XMTR/PRESS REG-OXY (4HT)
- SOL VALVE-LP OXY SPLY (3HT)
- PRESS SW-OXYGEN LO PR (4WV)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R AMM 35-10-00-790-001 Leakage Test of the LP Oxygen System for the Crew AMM 35-12-41-000-001 Removal of the Oxygen-Mask Stowage-Box AMM 35-12-41-400-001 Installation of the Oxygen-Mask Stowage-Box AMM 35-13-14-000-001 Removal of the Press Sw-Oxygen LO PR (4WV) AMM 35-13-14-400-001 Installation of the Press Sw-Oxygen LO PR (4WV) AMM 35-13-15-000-001 Removal of the Oxygen Pressure Regulator/Transmitter
(4HT)
AMM 35-13-15-400-001 Installation of the Oxygen Pressure
Regulator/Transmitter (4HT) AMM 35-13-51-000-001 Removal of the Sol Valve-LP Oxy Sply (3HT) AMM 35-13-51-400-001 Installation of the LP Oxygen-Supply Solenoid-Valve
(3HT)
3. Fault Confirmation
__________________
A. Test
(1) Do a leakage test of the LP oxygen system for the crew: (Ref. AMM TASK 35-10-00-790-001).
4. Fault Isolation
_______________
A. If the pressure decreases during the leakage test
- replace the defective component: STOWAGE BOX-OXY MASK, CAPT (10RN1) or STOWAGE BOX-OXY MASK, F/O (10RN2) or STOWAGE BOX-OXY MASK, 3RD OCCPNT (10RN3) or BOX ASSY-STOWAGE, 4TH OCCPNT (5774HM) (Ref. AMM TASK 35-12-41-000-001) and (Ref. AMM TASK 35-12-41-400-001) or HOSE-STOWAGE BOX (5764HM) or HOSE-STOWAGE BOX (5765HM) or HOSE-STOWAGE BOX (5766HM) or HOSE-STOWAGE BOX (5768HM) or MANIFOLD-OXY DISTRIBUTION (5753HM) or TEST PORT-OXY SYS (5755HM) or HOSE-OXY SPLY (5763HM) or XMTR/PRESS REG-OXY (4HT) (Ref. AMM TASK 35-13-15-000-001) and (Ref. AMM TASK 35-13-15-400-001) or SOL VALVE-LP OXY SPLY (3HT) (Ref. AMM TASK 35-13-51-000-001) and (Ref. AMM TASK 35-13-51-400-001) or PRESS SW-OXYGEN LO PR (4WV) (Ref. AMM TASK 35-13-14-000-001) and (Ref. AMM TASK 35-13-14-400-001).
B. Do the test given in Para. 3.A.
TASK 35-10-00-810-803
Loss of the 100 % Selection on the Oxygen Mask
1. Possible Causes
_______________
- MASK-FULL FACE/Q.D. OXY, CAPT (5759HM)
- MASK-FULL FACE/Q.D. OXY, F/O (5758HM)
- MASK-FULL FACE/Q.D. OXY, 3RD OCCPNT (5757HM)
- MASK-FULL FACE/Q.D. OXY, 4TH OCCPNT (5760HM)
2. Job Set-up Information
______________________
A. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
AMM 35-12-41-000-002 Removal of the Full-Face/Quick-Donning Oxygen-Mask AMM 35-12-41-400-002 Installation of the Full-Face/Quick-donning Oxygen-Mask AMM 35-12-41-710-001 Operational Test of the Full Face/Quick Donning R Oxygen Masks (5757HM,5758HM,5759HM,5760HM)
3. Fault Confirmation
__________________
A. Test
(1) Do the operational test of the full face/quick donning oxygen masks (Ref. AMM TASK 35-12-41-710-001).
4. Fault Isolation
_______________
A. If during the operational test
(1) The 100 % selection on the Captain oxygen mask is inoperative:
- replace the MASK-FULL FACE/Q.D. OXY, CAPT (5759HM) (Ref. AMM TASK 35-12-41-000-002) and (Ref. AMM TASK 35-12-41-400-002).
(2) The 100 % selection on the First Officer oxygen mask is inoperative:
- replace the MASK-FULL FACE/Q.D. OXY, F/O (5758HM) (Ref. AMM TASK 35-12-41-000-002) and (Ref. AMM TASK 35-12-41-400-002).
(3) The 100 % selection on the Third Occupant oxygen mask is inoperative:
- replace the MASK-FULL FACE/Q.D. OXY, 3RD OCCPNT (5757HM) (Ref. AMM TASK 35-12-41-000-002) and (Ref. AMM TASK 35-12-41-400-002).
(4) The 100 % selection on the Fourth Occupant oxygen mask is inoperative:
- replace the MASK-FULL FACE/Q.D. OXY, 4TH OCCPNT (5760HM) (Ref. AMM TASK 35-12-41-000-002) and (Ref. AMM TASK 35-12-41-400-002).
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