(1)
Disconnect the electrical connectors (5).
(2)
Put CAP - BLANKING on the disconnected electrical connectors.
(3)
Loosen the nuts (2) and (4) and disconnect the hoses (1) and (3).
(4)
Put PLUG - BLANKING on the disconnected line ends.
(5)
Put the disconnected line ends into a sealed BAG - VINYL.
(6)
Record the location of the bonding screw.
(7)
Remove the screws (7), the washers (6) and carefully remove the oxygen regulator (8).
Oxygen Regulators 910WR1/910WR2
Figure 401/TASK 35-23-52-991-001
EFF : 401-499, 35-23-52 Page 404
Aug 01/05
CES
TASK 35-23-52-400-001
Installation of the Oxygen Regulator (910WR1/910WR2)
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific access platform 1.6 m (5 ft. 3 in.)
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft) No specific Torque Wrench : range 1.00 to 10.00 m.daN
(8.00 to 75.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 07-001D D 75-T-2-5721-3-1 ELECTRICAL BONDING COATING (BLUE COLOR) (Ref. 20-31-00)
Material No. 09-016B USA MIL-PRF-81733D TYPE II CORROSION INHIBITING FILLET CONSISTENCY (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
-------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power
24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied from the External Power
25-55-12-000-003 Removal of the Sidewall Panels in the AFT Cargo Compartment - FR59/FR65
25-55-12-400-003 Installation of the Sidewall Panels in the AFT Cargo Compartment - FR59/FR65
35-00-00-860-001 Special precautions when working on a Gaseous Oxygen System
35-21-00-614-001
35-23-00-790-001 Leak Check of Components in the Intermediate Line of the Oxygen System
52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
35-23-52-991-001 Fig. 401
3. Job Set-up__________
Subtask 35-23-52-860-051
A. Aircraft Maintenance Configuration
(1)
Make sure that the ground service network is energized
(Ref. TASK 24-41-00-861-002).
(2)
Make sure that a warning notice is in position in the cockpit to tell persons not to operate the emergency oxygen system.
(3)
Make sure that the access platform is in position at the AFT cargo-compartment door 826.
(4)
Make sure that the AFT cargo-compartment door 826 is open (Ref. TASK 52-30-00-860-001).
(5)
Make sure that the CARGO COMPT LIGHT switch 8LU is in the ON position.
(6)
Make sure that the related lining panel is removed (Ref. TASK 25-55-
12-000-003).
(7)
Make sure that the manual shut-off valves of the emergency oxygen cylinders are close.
(8)
Obey the special precautions when you do this task (Ref. TASK 35-00-00-860-001).
Subtask 35-23-52-865-051
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU OXYGEN/PASSENGER/CTL AND WARN 2WR HA03 49VU OXYGEN/PASSENGER/CTL AND WARN 1WR HA02
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