R **ON A/C 151-199, 301-399, 401-499,
A. Compressed Air System The compressed air (irrespective of the source which supplies it) flows from the shuttle valve to the potable water tank. It flows through the air filter, the check valve and the pressure reducing/relief valve to the potable water tank.
The air filter removes all unwanted materials which are in the compressed air. The check valve is installed between the pressure reducing/relief valve and the air filter. It lets the compressed air flow in the direction of the water tank only. An air-no-water valve is install in the potable water tank. It is located at the end of the compressed air line to make sure that no water comes in the compressed air system.
**ON A/C ALL
The pressure reducing/relief valve reduces the air pressure from between
2.83 bar (41.0456 psi) and 3.24 bar (46.9922 psi) to the system working pressure 1.75 bar (25.3815 psi) to 1.93 bar (27.9922 psi). The pressure relief section of the valve will operate and release the air out of the system if the pressure increases to a pressure of 2.21 bar (32.0533 psi) to 2.48 bar (35.9693 psi).
1EFF : ALL 1 38-41-00Page 5 1 1 May 01/05R 1 1 1CES 1
AIR SUPPLY SYSTEM - SERVICING
_____________________________
TASK 38-41-00-610-001 Replacement of the Cartridge of the Air Filter 4210MM WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START
_______ WORK ON THE PNEUMATIC SYSTEM.
1.
Reason for the Job
__________________
Refer to the MPD TASK: 384142-01
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific access platform 2.3 m (7 ft. 7 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
No specific corrosion-resistant steel lockwire 0.8 mm(0,032 in)dia.
Material No. 05-027 USA MIL-L-81309 RUST INHIBITOR(FOR CORROSION USE 15-004) (Ref. 20-31-00)
Material No. 11-008 (USE 11-008A) (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3 cartridge 38-41-42 05 -040 3 cartridge 38-41-42 05 -040A 4 O-ring 38-41-42 05 -030 5 O-ring 38-41-42 05 -020
1EFF : ALL 1 38-41-00Page 301 1 1 May 01/05R 1 1 1CES 1
D. 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 38-41-00-710-001 Operational Test of the Air Supply System (with
ground air supply) 38-41-00-790-001 Leak Check of the Components in the Air Supply System 51-75-13-916-001 Repair to a layer of Moisture-Removing Oil 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
**ON A/C 001-049, 051-099, 101-149, 201-299,
38-41-00-991-001 Fig. 301
R **ON A/C 151-199, 301-399, 401-499,
38-41-00-991-001-A Fig. 301A
**ON A/C ALL
3. Job Set-up
__________
Subtask 38-41-00-861-052
A. Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(1) Put the access platform in position.
**ON A/C 001-049, 051-099, 101-149, 201-299,
Subtask 38-41-00-010-050
B. Get Access
(1) Open the FWD cargo-compartment door (Ref. TASK 52-30-00-860-001).
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