1EFF : ALL 1 28-11-41Page 446 1 1 May 01/04R 1 1 1CES 1

 TASK 28-11-41-400-005
 Installation of the Outer Valve 21QM (22QM), 23QM (24QM), 25QM (26QM)
 WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING
_______
 NOTICES ARE IN POSITION.

 WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______
 GEAR.

 1. Reason for the Job
__________________
 Self Explanatory
 2. Job Set-up Information
______________________
 A. Fixtures, Tools, Test and Support Equipment
 -------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers
 No specific container 1 l (0.2641 USgal)
 No specific access platform 4.0 m (13 ft. 1 in.)

R No specific Torque Wrench : range 0.00 to 1.20 m.daN
R (0.00 to 9.00 lbf.ft)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 01-001  USA ASTM-D-1655-93 (JET A-1)
 FUEL, TURBO (Ref. 20-31-00)

 Material No. 11-004  USA MIL-T-81533
 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
 (Ref. 20-31-00)

 Material No. 19-003  USA AMS 3819
 LINT-FREE COTTON CLOTH (Ref. 20-31-00)

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 C. Expendable Parts
 -------------------------------------------------------------------------------
FIG.ITEM |DESIGNATION |IPC-CSN
 -------------------------------------------------------------------------------
3 O-ring 28-11-41 01 -020 3 O-ring 28-11-41 02 -020 3 O-ring 28-11-41 03 -020
 D. Referenced Information -------------------------------------------------------------------------------
REFERENCE DESIGNATION
 -------------------------------------------------------------------------------
28-00-00-910-001 Fuel Safety Procedures

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 28-11-41-991-004 Fig. 404
 **ON A/C 301-399,

 28-11-41-991-004-A Fig. 404A
 **ON A/C ALL

 3. Job Set-up
__________
 Subtask 28-11-41-941-075

 A. Safety Precautions
 WARNING : OBEY THE FUEL SAFETY PROCEDURES.

_______
 (1)
 You must obey the fuel safety precautions (Ref. TASK 28-00-00-910-001) when you do work on the fuel system.

 (2)
 Make sure that the safety barriers are in position.

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 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the access platform is in position below the applicable water drain valve.

 (2)
 Make sure that the container is in position below the applicable water drain valve.

 4. Procedure
_________ R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 (Ref. Fig. 404/TASK 28-11-41-991-004)
 **ON A/C 301-399,

 (Ref. Fig. 404A/TASK 28-11-41-991-004-A)
 **ON A/C ALL

 Subtask 28-11-41-420-055
 A. Preparation for Installation WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
 (1)
 Clean the component interface and/or the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-004).

 (2)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (3)
 Do an inspection of the component interface and/or the adjacent area.

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 (4)
 Make sure that the threads of the outer valve (4) and of the water drain valve (2) are clean and serviceable.

 (5)
 Push in, then quickly release, the inner valve (1) to let the fuel flush the water drain valve (2). Collect the fuel in the container.

R **ON A/C 001-049, 051-099, 101-149, 151-199, 201-299, 401-499,
 Subtask 28-11-41-420-061
 B. Installation of the Outer Valve
　
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