(15.00 to 150.00 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
-------------------------------------------------------------------------------
REFERENCE DESIGNATION -------------------------------------------------------------------------------
35-00-00-860-001 Special precautions when working on a Gaseous Oxygen System
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
35-23-54-991-001 Fig. 401
3. Job Set-up__________
Subtask 35-23-54-860-052
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 35-23-54-865-051
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
4. Procedure
_________
WARNING : KEEP ALL HYDROCARBONS (FUELS, LUBRICANTS, ETC.) AWAY FROM ALL
_______
SOURCE OF OXYGEN. OXYGEN BECOMES EXPLOSIVE WHEN IT TOUCHES
HYDROCARBONS.
WARNING : CLEAN THE TOOLS AND MAKE SURE YOUR HANDS ARE CLEAN TO PREVENT
_______
CONTAMINATION OF THE OXYGEN SYSTEM.
Subtask 35-23-54-420-050
A. Installation of the Low Pressure Switch (970WR)
(Ref. Fig. 401/TASK 35-23-54-991-001)
(1)
Do an inspection of the component interface and/or the adjacent area.
(2)
Remove the vinyl bags from the disconnected line ends.
(3)
Remove the blanking plugs from the disconnected line ends.
(4)
Make sure that the line end fittings are serviceable.
(5)
Put the low pressure switch (2) in position.
(6)
Tighten the nut (1) with your fingers and TORQUE them to between 11.3 and 15.8 m.daN (83.33 and 116.51 lbf.ft).
NOTE : You must hold the fitting tightly in the correct position.
____
(7) Connection of the Electrical Connectors CAUTION : MAKE SURE THAT THE BONDING STRAP(S) IS(ARE) CONNECTED
_______ BEFORE YOU CONNECT THE ELECTRICAL CONNECTOR(S).
(a)
Connect the bonding strap.
(b)
Apply PAINTS FOR DETAIL (INTERNAL AND EXTERN AL) (Material No. 07-001D) and SEALANTS (Material No. 09-016B) to the screws of the bonding strap.
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