[通用经验] 勤务工卡之燃油

[/free]12-32-28 - FUEL
12-32-28 PB 301 - FUEL - SERVICING
TASK 12-32-28-281-001
Drain Water Content
WARNING:    PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
-     THE FLIGHT CONTROLS
-     THE FLIGHT CONTROL SURFACES
-     THE LANDING GEAR AND THE RELATED DOORS
-     COMPONENTS THAT MOVE.
WARNING:    MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR.
1.    Reason for the Job
Refer to the MPD TASK: 281100-01
NOTE:    This task can be done together with TASK 12-32-28-281-003.
NOTE:    If possible, do the water drain procedure before a refuel. Alternatively, you must wait for one hour after a refuel has been completed before you do the water drain procedure.
2.    Job Set-up Information
A.    Fixtures, Tools, Test and Support Equipment
REFERENCE    QTY    DESIGNATION
No specific          safety barriers
No specific          warning notices
No specific          Miscellaneous - HYDROKIT
No specific          transparent container 1.0 l (0.2641 USgal)
98A28101000000     1     ADAPTING PIPE - WATER DRAINING FROM FUEL
98A28104000000     1     PURGER, WATER DRAIN
98A28104000002     1     WATER DRAIN PURGER
98D28104000000     1     PIPE ADAPTING-WATER DRAINING
B.    Referenced Information
REFERENCE    DESIGNATION
12-31-28-660-001
Cold Weather Maintenance - Fuel
28-00-00-910-001
Fuel Safety Procedures
32-00-00-481-001
Installation of the Safety Devices on the Landing Gears
SIL 28-079      
** ON A/C 001-099, 101-199, 201-249, 251-299
(Ref. Fig. 301/12-32-28-991-001 SHEET 1)
                                                                    
** ON A/C ALL
3.    Job Set-up
** ON A/C 001-099, 101-199, 201-249, 251-299
(Ref. Fig. 301/TASK 12-32-28-991-001 SHEET 1)
** ON A/C ALL
Subtask 12-32-28-941-054-A
A.    Safety Precautions
WARNING:    OBEY THE FUEL SAFETY PROCEDURES.
(1)    You must obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001)  when you do work on the fuel system.
(2)    Put the safety barriers in position.
(3)    Make sure that the ground safety locks are installed on the landing gear (Ref. AMM TASK 32-00-00-481-001)  .

(4)    On the panel 400VU:
-    make sure that the landing-gear control-lever 6GA is in the DOWN position
-    put a warning notice in position to tell persons not to operate the landing gear.
(5)    Put  warning notices  in position to tell persons not to operate the landing gear doors.
(6)    If the fuel temperature is less than -5 DEG.C (+23.00 DEG.F) and/or the water drain valves are frozen, to keep the flight turnaround times, either:
-    do the cold weather maintenance procedure to warm the drain valve
(Ref. AMM TASK 12-31-28-660-001)  .
or
-    remove the fuel samples 30 minutes after the refuel procedure.
NOTE:    Removal of the fuel samples after 30 minutes will not remove the water content as satisfactorily as samples removed one hour after the refuel procedure.
NOTE:    Do not apply unusually high force to open the water drain valve.
Subtask 12-32-28-010-050
B.    Get Access
(1)    For access to the center tank water drain valves, open the applicable access panels:
-    for water drain valve 94QM, open access panel
195BB
-    for water drain valve 95QM, open access panel
196BB .
Subtask 12-32-28-480-050
C.    Preparation of the Equipment
(1)    To get access to the high water drain valves from the ground, attach the:
-     ADAPTING PIPE - WATER DRAINING FROM FUEL (98A28101000000)  
or the
-     PIPE ADAPTING-WATER DRAINING (98D28104000000)  
to the bottle and funnel of the  PURGER, WATER DRAIN (98A28104000000)  .
4.    Procedure
** ON A/C 001-099, 101-199, 201-249, 251-299
(Ref. Fig. 301/TASK 12-32-28-991-001 SHEET 1)
** ON A/C ALL
Subtask 12-32-28-281-050-A
A.    Fuel Sampling for Water Contamination
NOTE:    Make sure that the fuel tanks are filled to a minimum of 10% of capacity. This is necessary to cover the water drain valve outlet, so that the water drain valves can operate satisfactorily. Refer to SIL for data SIL 28-079  .
(1)    For the wing-tank water drain valves:
(a)    Push the center of the applicable water drain valve with the  PURGER, WATER DRAIN (98A28104000000)  . Drain approximately 1.0 l (0.2641 USgal) of fuel from the water drain valve.
NOTE:    A rubber shield prevents fuel leakage.
(b)    Remove the  PURGER, WATER DRAIN  from the water drain valve.
(2)    For the center-tank water drain valves:
(a)    Push the center of the applicable water drain valve with the  WATER DRAIN PURGER (98A28104000002)  . Drain approximately 1.0 l (0.2641 USgal) of fuel from the water drain valve.
NOTE:    A rubber shield prevents fuel leakage.
(b)    Remove the  WATER DRAIN PURGER  from the water drain valve.
(3)    Examine the water drain valve for leakage. Leaks are not permitted.
NOTE:    This step is very important at the center tank water drain valves 94QM and 95QM, where access is not easy.
(4)    Put the fuel sample into a clean and sterilized  transparent container  . If you do not do the analysis immediately, seal the container.
(5)    Do the sample removal procedure at all of the water drain valves.
Subtask 12-32-28-750-050
B.    Water Contamination Test
(1)    Let the sample become stable.
(a)    If the sample moves into two layers it contains water. Continue to drain from the water drain valve until it has no water.
(b)    If the sample stays in one layer, it can be all fuel or all water. To find if the sample is fuel or water, do the test that follows:
NOTE:    Do the test only in an approved area.
ACTION    RESULT
1. If you have a  Miscellaneous - HYDROKIT  available put the contents into the sample     -    If the powder stays white, the sample is fuel and the test is complete.
     -    If the white powder changes color to purple, the sample is water. Continue to take samples and test until all the water has been removed.
2. If you do not have a HYDROKIT available, add water to the sample.     -    If the sample moves into two layers, then the sample is all fuel and the test is complete.
     -    If the sample stays in one layer, then the sample is water. Continue to take samples until all the water has been removed.
      
NOTE:    You can use the same procedure to do an analysis on a sample from a fuel tanker. Remove the sample from the supply connector of the fuel tanker.

5.    Close-up
Subtask 12-32-28-410-050
A.    Close Access
(1)    Make sure that the work area is clean and clear of tool(s) and other items.
(2)    Close the applicable access panels:
-    for water drain valve 94QM, close access panel
195BB
-    for water drain valve 95QM, close access panel
196BB .
Subtask 12-32-28-942-050
B.    Removal of Equipment
(1)    Make sure that the work area is clean and clear of tool(s) and other items.
NOTE:    To discard the water samples, refer to the local regulations.
(2)    Remove the safety barriers.
(3)    Remove the warning notice(s).
(4)    Remove the ground support and maintenance equipment, the special and standard tools and all other items.
TASK 12-32-28-281-003
Sample Fuel for Microbiological Contamination Analysis
WARNING:    PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
-     THE FLIGHT CONTROLS
-     THE FLIGHT CONTROL SURFACES
-     THE LANDING GEAR AND THE RELATED DOORS
-     COMPONENTS THAT MOVE.
WARNING:    MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR.
1.    Reason for the Job
Refer to the MPD TASK: 281100-04
NOTE:    Refer to Service Information Letter (SIL 28-079) for more data on microbiological contamination in fuel tanks
NOTE:    This task can be done together with Task 12-32-28-281-001.
2.    Job Set-up Information
A.    Fixtures, Tools, Test and Support Equipment
REFERENCE    QTY    DESIGNATION
No specific          safety barriers
No specific          warning notices
No specific          transparent container 1.0 l (0.2641 USgal)
No specific     1     MICROBMONITOR 2 TEST KIT ECHA MICROBIOLOGY UK (CAGE CODE 0HZY6)
No specific     1     FUELSTAT RESINAE TEST KIT CONIDIA BIOSCIENCE UK (CAGE CODE KE385)
No specific     1     HY-LITE JET A1 FUEL TEST KIT MERCK KGAA, GERMANY (CAGE CODE D2186)
98A28101000000     1     ADAPTING PIPE - WATER DRAINING FROM FUEL
98A28104000000     1     PURGER, WATER DRAIN
98A28104000002     1     WATER DRAIN PURGER
98D28104000000     1     PIPE ADAPTING-WATER DRAINING
B.    Referenced Information
REFERENCE    DESIGNATION
12-31-28-660-001
Cold Weather Maintenance - Fuel
28-00-00-910-001
Fuel Safety Procedures
28-11-00-600-003
Removal of Microbiological Particles
28-11-00-600-008
Biocidal Shock Treatment for Moderate Contamination - With Fuel Mixed with Biobor Biocide
28-11-00-600-008
Biocidal Shock Treatment for Moderate Contamination - With Fuel Mixed with Kathon Biocide
28-11-00-600-008
Biocidal Shock Treatment for Moderate Contamination - Using Biobor Biocide With a Metered Injection Rig
28-11-00-600-008
Biocidal Shock Treatment for Moderate Contamination - Using Kathon Biocide With a Metered Injection Rig
28-11-00-600-009
Biocidal Shock Treatment for Heavy Contamination - With Fuel Mixed with Biobor Biocide
28-11-00-600-009
Biocidal Shock Treatment for Heavy Contamination - With Fuel Mixed with Kathon Biocide
28-11-00-600-009
Biocidal Shock Treatment for Heavy Contamination - Using Biobor Biocide With a Metered Injection Rig
28-11-00-600-009
Biocidal Shock Treatment for Heavy Contamination - Using Kathon Biocide With a Metered Injection Rig
32-00-00-481-001
Installation of the Safety Devices on the Landing Gears
** ON A/C 001-099, 101-199, 201-249, 251-299
(Ref. Fig. 301/12-32-28-991-001 SHEET 1)
                                                                    
** ON A/C ALL
(Ref. Fig. 302/12-32-28-991-005 SHEET 1)
                                                                    
3.    Job Set-up
** ON A/C 001-099, 101-199, 201-249, 251-299
(Ref. Fig. 301/TASK 12-32-28-991-001 SHEET 1)
** ON A/C ALL
Subtask 12-32-28-941-055-A
A.    Safety Precautions
WARNING:    OBEY THE FUEL SAFETY PROCEDURES.
(1)    Put the safety barriers in position.
(2)    Make sure that the ground safety locks are installed on the landing gear (Ref. AMM TASK 32-00-00-481-001)  .

(3)    On the panel 400VU:
-    make sure that the landing-gear control-lever 6GA is in the DOWN position
-    put a warning notice in position to tell persons not to operate the landing gear.
(4)    Put  warning notices  in position to tell persons not to operate the landing gear doors.
(5)    You must obey the fuel safety procedures (Ref. AMM TASK 28-00-00-910-001)  when you do work on the fuel system.
(6)    If the fuel temperature is less than -5 DEG.C (+23.00 DEG.F) and/or the water drain valves are frozen, either:
-    do the cold weather maintenance procedure to warm the drain valve
(Ref. AMM TASK 12-31-28-660-001)
or
-    remove the fuel samples 30 minutes after the refuel procedure.
Subtask 12-32-28-010-054
B.    Get Access
(1)    For access to the center tank water drain valves, open the applicable access panels:
-    for water drain valve 94QM, open
195BB
-    for water drain valve 95QM, open
196BB .
Subtask 12-32-28-480-051
C.    Preparation of the Equipment
(1)    If it is necessary to get access to the high water drain-valves from the ground, attach the:
-     ADAPTING PIPE - WATER DRAINING FROM FUEL (98A28101000000)  
or the
-     PIPE ADAPTING-WATER DRAINING (98D28104000000)  
to the bottle and funnel of the  PURGER, WATER DRAIN (98A28104000000)  .
4.    Procedure
** ON A/C 001-099, 101-199, 201-249, 251-299
(Ref. Fig. 301/TASK 12-32-28-991-001 SHEET 1)
** ON A/C ALL
Subtask 12-32-28-281-055-A
A.    Fuel Sampling for Microbiological Contamination
NOTE:    If you use a test kit, refer to the kit manufacturers instructions on fuel sampling and storage. Carefully follow the manufacturers instructions to make sure that the test results are accurate.
NOTE:    Before you collect the samples, read the manufacturers instructions in the test kit. Make sure you use a sample container that is specified and that is clean and dry before use. An incorrect, dirty sample container can give an unwanted effect to the results.
(1)    For the wing-tank water drain valves:
(a)    Push the center of the applicable water drain valve with the  PURGER, WATER DRAIN (98A28104000000)  and drain approximately 1.0 l (0.2641 USgal) of fuel from the water drain valve.
NOTE:    A rubber shield prevents fuel leakage.
(b)    Remove the  PURGER, WATER DRAIN  from the drain valve.
(2)    For the center-tank water drain valves:
(a)    Push the center of the applicable water drain valve with the  WATER DRAIN PURGER (98A28104000002)  and drain approximately 1.0 l (0.2641 USgal) of fuel from the water drain valve.
NOTE:    A rubber shield prevents fuel leakage.
(b)    Remove the  WATER DRAIN PURGER  from the drain valve.
(3)    Examine the applicable water drain valve for leakage. Leaks are not permitted.
NOTE:    This step is very important at the center tank water drain valves 94QM and 95QM, where access is not easy.
(4)    Put the fuel sample into a clean and sterilized  transparent container  and seal the container.
NOTE:    Make sure that the container is made of glass or fuel resistant plastic and has a minimum capacity of 1.0 l (0.2641 USgal) .
NOTE:    Do not put additives into the sample to show the water contents.
(5)    Do the sample removal procedure at all of the water drain-valves.
(6)    Identify each sample with a label that shows:
-    the aircraft number
-    the time and date of the sample
-    the fuel tank drain valve the sample came from
-    all the additives you know about.
(7)    Keep the sealed sample containers in a cool protected area.
NOTE:    After the test samples are collected, microbiological contamination in the sample could change. It is recommended that the samples are tested in less than 6 hours and no later than 24 hours. AIRBUS recommends that the samples are tested in less than 6 hours.
NOTE:    Make a selection of one of the microbiological test kits for the complete procedure. Do not compare results between microbiological test kits. They use different methods to give results. If you need help, refer to the manufacturer of the kit.
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