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SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 1 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
REVISION TRANSMITTAL SHEET
This sheet transmits Revision 02 to Service Bulletin 22CXX-0100-35-003
REASON FOR REVISION
Serial Number sequence added.
NOTES: The Service Bulletin is fully re-printed.
Bars on the right margin identify the changes
REVISION SEQUENCE
ORIGINAL: MAR/17/2011
Revision 1: DEC/20/2011
Revision 2 JUL/10/2014
Date: JUL/10/2014
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 2 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
ATA SYSTEM: 35
TITLE: OXYGEN – CHEMICAL PASSENGER EMERGENCY OXYGEN CONTAINER-
IMPROVEMENT OF THE MASK HOSE CONNECTION
1. PLANNING INFORMATION A. EFFECTIVITY This service bulletin is applicable to all chemical oxygen container assemblies Type II (15/22 Minutes) that are listed below.
Spare units may be affected as well
(1) Part numbers of the affected passenger emergency oxygen container assemblies:
Part Numbers Type II 15 Min. Part Numbers Type II 22 Min.
22C15L120080100 22C15L120100100 22C15L120120100 22C15L120220100 22C15L120280100 22C15L120640100 22C15L150020100 22C15L150320100 22C15L150460100 22C15L150640100 22C15L240080100 22C15L240100100 22C15L240120100 22C15L240220100 22C15L240280100 22C15L240320100 22C15L240640100
22C22L120100100 22C22L120220100 22C22L150020100 22C22L150040100 22C22L150460100 22C22L240100100 22C22L240220100
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 3 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
(2) Serial numbers of the affected passenger emergency oxygen container assemblies are listed below:
from ARBA-0000 to ARBA-9999 from ARBB-0000 to ARBB-9999 from ARBC-0000 to ARBC-9999 from ARBD-0000 to ARBD-9999 from ARBE-0000 to ARBE-9999 from BEBE-0000 to BEBE-9999 from BEBF-0000 to BEBF-9999 from BEBH-0000 to BEBH-9999 from BEBK-0000 to BEBK-9999 from BEBL-0000 to BEBL-9999 from BEBM-0000 to BEBM-9999
NOTE: As far as still available at the Airbus final assembly line a few aircraft have already been reworked before handover to the operator .Those units have been marked with a green dot on the test button label as shown below and do not need further rework.
B. CONCURRENT REQUIREMENTS Not Applicable C. REASON During manufacturing at the manufacturer facility particles had been detected in the oxygen generator manifolds. Investigation revealed that those particles (chips) are chafed from the mask hoses when installed onto the generator outlets. It was found out that a defective mask hose installation device has caused the chips. Such chips may reduce or block the oxygen supply.
A replacement of the manifold is necessary.
Green Dot
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 4 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
D. DESCRIPTION This Service Bulletin specifies the replacement of the Manifold.
(See Para. 3. ACCOMPLISHMENT INSTRUCTIONS of this SB) E. COMPLIANCE Mandatory F. APPROVAL The technical content of this document is approved under the authority of DOA No. EASA.21J.031.
G. MANPOWER For 22C15 – 0100 Series Oxygen Container This Service Bulletin may be accomplished on the Aircraft or in the workshop. The estimated time to do the work in this Service Bulletin is 0.30 hours.
(1) Open the door of the oxygen container.
(2) Remove and secure the mask assemblies with rubber bands against uncoiling (preferable by a second person). Disconnect the mask lanyards (remain attached to the release pin) at the mask assemblies.
(3) Remove the manifold together with mask hoses from the oxygen generator, cut the mask hoses from the manifold fittings. Discard the manifold.
(4) Install the mask hoses to the fittings of a new manifold, install the manifold back to the oxygen generator.
(5) Connect the mask lanyards to the mask assemblies.
Repack the oxygen mask assemblies and close the door assy.
(6) Do a manual door release test with test button in test position.
For 22C22 – 0100 Series Oxygen Container This Service Bulletin is recommended to be performed in a workshop within the following approximate man-hours and elapsed time of 0.3 hours.
NOTE: The man-hours and elapsed time do not include the removal/installation of the oxygen generator from/to the aircraft.
(7) Open the door of the oxygen container, secure the mask assemblies with a rubber band, remove the oxygen generator together with the mask assemblies.
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 5 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
Disconnect the mask lanyards (remain attached to the release pin) at the mask assemblies
(8) Remove the manifold together with mask hoses from the oxygen generator, cut the mask hoses from the manifold fittings. Discard the manifold.
(9) Install the mask hoses to the fittings of a new manifold, install the manifold back to the oxygen generator.
(10) Connect the mask lanyards to the mask assemblies.
(11) Install the oxygen generator together with the mask assemblies back into the container. Repack the oxygen mask assemblies and close the door assy.
(12) Do a manual door release test with test button in test position.
H. WEIGHT AND BALANCE Weight: not affected Balance: not affected
J. REFERENCE This Service Bulletin is covered by Aircraft Inspection Service Bulletin Number A320-35-1047.
CMM 35-22-25, (D1379)
K. PUBLICATION AFFECTED CMM 35-22-25 (D1379)
L. INTERCHANGEABILITY OF PARTS Refer to aircraft Service Bulletin No. 35-1047.
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 6 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
2. MATERIAL INFORMATION A. MATERIAL COST AND AVAILABILITY The cost of the Service Bulletin application are: Free of Charge (FOC) For part procurements and warranty claim please contact:
B/E Aerospace Systems GmbH Revalstrasse 1 23560 Lübeck
GERMANY
Cage Code : D1379
Tel: (49) 451 4093-2976 Fax: (49) 451 4093-4488 e-mail: dieter_heins@beaerospace-systems.com
B. INDUSTRIE SUPPORT INFORMATION NOTE: It is recommended that completion of this Service Bulletin be performed by authorized personnel only. It is recommended to perform this SB work in a workshop. Customized solutions may be negotiated separately.
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 7 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
C. MATERIAL NECESSARY FOR EACH OXYGEN CONTAINER ASSY The following Table shows all parts necessary to perform this SB work New PNR Keyword Old PNR Type of Container / Qty/Container Price 22C15 22C22 E63282-01 Manifold 2P E63282-01 1 FOC E63281-00 Manifold 2P E63281-00 1 FOC E71070-00 Pin,Grooved (as required) E71070-00 2 2 FOC E20274-06 O-Ring E20274-06 1 1 FOC E61063-00 Disc, Spring loaded (as required) E61063-00 1 1 FOC E63047-00 Cable Tie E63047-00 1 FOC
D. TOOLING – PRICE AND AVAILABILITY Special Tools Part Number Price / Availability Source Manual Release Tool E60100-00 (D1379) Rubber bands - - - - Local Purchase Mask Hose Assembly Tool 2231070 (D1379) Cutter Knife, Hose Cutter - - - - Local Purchase Removal Tool (removal of grooved pins) E61088-00 (D1379) Marker, permanent (green color) STABILO - - Local Purchase Pointed Pliers - - Local Purchase Pliers (Warning Flag installation) E71516-00 (D1379) Warning Flag Assembly (as required) E71401-00 (D1379) Cable Tie Pliers 2231453 (D1379)
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 8 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
3. ACCOMPLISHMENT INSTRUCTIONS A. GENERAL General service information is given within the component maintenance manuals.
WARNING: STRICTLY OBEY THE PROCEDURES FOR THE USE OF OXYGEN EQUIPMENT. DO NOT USE ANY OIL, GREASE, HYDRO CARBONS
OR OTHER LUBRICANTS MADE FROM PETROLEUM IN THE WORK AREA OF THIS OXYGEN EQUIPMENT. THIS CAN CAUSE A DANGEROUS FIRE HAZARD.
B. LIST OF MATERIALS New PNR Keyword Old PNR Type of Container / Qty/Container Inst/Disp 22C15 22C22 E63282-01 Manifold 2P E63282-01 1 Replaced E63281-00 Manifold 2P E63281-00 1 Replaced E71070-00 Pin,Grooved (as required) E71070-00 2 2 On Condition E20274-06 O-Ring E20274-06 1 1 Replaced E61063-00 Disc, Spring loaded (as required) E61063-00 1 1 On Condition E63047-00 Cable Tie E63047-00 1 FOC
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 9 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
Special Tools Part Number Source Manual Release Tool E60100-00 (D1379) Rubber bands - - Local Purchase Mask Hose Assembly Tool 2231070 (D1379) Cutter Knife, Hose Cutter - - Local Purchase Pin Removal Tool ( for grooved pins) E61088-00 (D1379) Marker, permanent (green color) STABILO Local Purchase Pointed Pliers - - Local Purchase Cable Tie Pliers 2231453 (D1379) Pliers (Warning Flag installation) E71516-00 (D1379) Warning Flag Assembly (as required) E71401-00 (D1379)
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 10 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
FOR 22C15-0100 CONTAINER ASSEMBLIES (SB ACCOMPLISHMENT ON
AIRCRAFT OR IN THE WORKSHOP) C. DISASSEMBLY WARNING: STRICTLY OBEY THE PROCEDURES FOR USE OF OXYGEN EQUIPMENT. DO NOT USE ANY OIL, GREASE OR OTHER
LUBRICANTS MADE FROM PETROL IN THE WORK AREA OF THIS OXYGEN EQUIPMENT. THIS CAN CAUSE A DANGEROUS FIRE HAZARD RESULTING IN SERIOUS PERSONAL INJURY OR DEATH.
CAUTION: IN GENERAL THE WORK ON OXYGEN EQUIPMENT REQUIRES THE USE OF LINT -FREE GLOVES. HOWEVER SOME STEPS OF THIS REWORK MAY BE HINDER ED WHEN WEARING GLOV ES.
THEREFORE THIS REWOR K IS RECOMMENDED TO BE DONE WITH DRY AND CLEAN FINGERS. ENSURE YOUR FINGERS ARE DRY AND CLEAN.
(1) Open the Door Assy as follows:
CAUTION: EXERCISE CAUTION WITH THE CONTAINER DOOR. IT IS SPRING-
LOADED, CAN SNAP AWAY AND PUSH OUT THE MASK ASSEMBLIES. SET THE TEST LEVER INTO TEST POSITION (HOLD
THE DOOR BY HAND) WHEN YOU RELEASE IT WITH THE RELEASE TOOL PNR E60100-00. AFTER RELEASE LET THE DOOR CAREFULLY AND SLOWLY MOVE INTO ITS FULLY OPEN POSITION.
CAUTION: EXERCISE CAUTION WITH THE MASK LANYARDS WHEN YOU OPEN
THE DOOR ASSY, AN ACCIDENTAL PULL CAN REMOVE THE
RELEASE PIN FROM THE OXYGEN GENERATOR ASSY AND START THE FLOW OF OXYGEN THAT CANNOT BE STOPPED.
(a) Set the test button into the test position.
(b) Put the manual release tool PNR E60100-00 into the release access hole of the door assembly. Unlock the door latch with a slight push. The door must open a few degrees (See Figure 1).
(c) Remove the manual release tool PNR E60100-00 from the manual release access hole.
CAUTION: EXERCISE CAUTION WITH THE MASK ASSEMBLIES. WHEN
YOU OPEN THE CONTAINER DOOR THE MASKS WILL FALL OUT AND BECOME UNCOILED.
PREFERABLY OPEN THE DOOR WITH A SECOND PERSON THAT KEEPS THE MASKS INSIDE THE CONTAINER.
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 11 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
(d) Hold the door in position by hand and reset the test button back to its operational position. Carefully let the door move into its fully open position (min. 180°). Make sure the masks do not become uncoiled.
Figure 1
(e) Put a rubber band around the packed mask assemblies. This makes sure the mask tubes do not become uncoiled and the breathing bags are held in position within the mask facepiece (See Figure 2).
Figure 2 CAUTION: EXERCISE CAUTION WITH THE MASK LANYARDS WHEN
YOU DISCONNECT THEM FROM THE SNAP HOOKS OF THE MASKS. AN ACCIDENTAL PULL CAN REMOVE THE RELEASE
PIN FROM THE OXYGEN GENERATOR ASSY AND START THE FLOW OF OXYGEN THAT CANNOT BE STOPPED.
Rubber Band
SERVICE BULLETIN 22CXX-0100-35-003
Original Issue MAR/17/2011 Page 12 of 38 Rev.: 2 Jul/10/2014 SB 22CXX-0100-35-003
(f) Disconnect the white mask lanyards from the masks.
(3) Removal of the Manifold
(a) Use the Pin Removal Tool PNR E61088-00 and carefully push the two grooved pins out until you can catch them with a pointed plier as shown on Figure 3. Then fully pull out the grooved pins from the manifold.
Figure 3
(b) Carefully remove (by slightly turning and pulling) the manifold together with the mask hoses from the oxygen generator.
(c) Remove the disc together with the compression spring from the manifold (See Figure 4).
Pin Removal Tool E61088-00 Manifold Mask Hose