(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 35-00-00/201, Oxygen
(4)
FIM 31-61-00/101, EICAS
B. Access
(1) Location Zones 124 Forward Cargo Container Compartment, Aft Half Right 221 Control Cabin, Left 222 Control Cabin, Right
C. Preconditions
S 865-251
(1) The systems that follow must be installed and serviceable to complete this test:
(a)
Electrical power on (AMM 24-22-00/201).
(b)
Integrated Display System (IDS), serviceable (AMM 31-61-00/501)
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(c)
Crew Oxygen System in serviceable condition (AMM 35-21-00/501).
(d)
Airplane must be in the Ground Mode (AMM 32-09-02/201).
D. Procedure
S 915-194
(1)
Read and obey the safety precautions and general instructions before you do the maintenance (AMM 35-00-00/201).
S 715-195
(2)
Do the task: "Crew Oxygen Pressure Indication Test".
S 715-192
(3)
Do the task: "Crew Oxygen Mask, Demand Regulator and Stowage Box In-Situ Test".
TASK 35-11-00-705-001
3. Crew Oxygen Pressure Indication Test
____________________________________
A. References
(1)
AMM 20-41-01/201, Static Grounding
(2)
AMM 24-22-00/201, Manual Control
(3)
AMM 31-61-00/501, Integrated Display System (IDS)
(4)
AMM 32-09-02/201, Air/Ground Relays
(5)
AMM 35-21-00/501, Crew Oxygen System
(6)
AMM 35-00-00/201, Oxygen
B. Access
(1) Location Zones 124 Forward Cargo Container Compartment, Aft Half Right 221 Control Cabin, Left 222 Control Cabin, Right
C. Preconditions
S 865-252
(1) These conditions are necesarry for this task:
(a)
Electrical power (AMM 24-22-00/201).
(b)
Integrated Display System (IDS), serviceable (AMM 31-61-00/501).
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(c)
Crew Oxygen System serviceable (AMM 35-21-00/501).
(d)
Airplane must be in ground mode (AMM 32-09-02/201).
D. Procedure
S 915-158
(1)
Read and obey the safety precautions and general instructions before you do the maintenance (AMM 35-00-00/201).
S 865-057
(2)
Make sure the airplane is electrically grounded (AMM 20-41-01/201).
S 865-002
(3)
Supply the electrical power (AMM 24-22-00/201).
S 865-107
(4)
Open the access door to the crew oxygen cylinders.
S 865-003
(5)
Make sure the shutoff valve on each crew oxygen cylinder is open.
NOTE: Some airplanes have an optional second crew oxygen cylinder.
____
S 865-005
(6) Close these circuit breakers and attach DO-NOT-REMOVE tags:
(a) P7 Overhead Circuit Breaker Panel
1) 7D4 OXYGEN VALVE & IND
2) 7F8 UPR EICAS
3) 7F9 EIU L
4) 7F10 EIU C
5) 7F14 LWR EICAS
6) 7F15 EIU R
S 865-006
(7) Set the EIU select switch on the P2-4 panel to L.
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