(2)
Put a container below the water drain valve (3).
4. Procedure
_________ (Ref. Fig. 405/TASK 28-11-41-991-005) Subtask 28-11-41-020-055
A. Removal of the Outer Valve
(1)
Remove the outer valve (1) from the water drain valve (3).
(2)
Collect the fuel from the water drain valve (3) in the container.
(3)
Remove and discard the O-ring (2).
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Installation of the Outer Valve 94QM, 95QM
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) 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. 04-012 USA VV-P-236 PURE MINERALVASELINE OR PETRO- LATUM (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------------------------------
2 O-ring 28-11-41 03 -020
D. Referenced Information
------------------REFERENCE -------------------------------DESIGNATION ------------------------------
-------------------------------------------------------------------------------
28-00-00-910-001 Fuel Safety Procedures 28-11-41-991-005 Fig. 405
3. Job Set-up
__________ Subtask 28-11-41-941-077
A. Safety Precautions WARNING : OBEY THE FUEL SAFETY PROCEDURES.
_______
(1) You must obey the fuel safety precautions when you do work on the fuel system (Ref. TASK 28-00-00-910-001).
(2) Make sure that the safety barriers are in position. Subtask 28-11-41-860-063
B. Aircraft Maintenance Configuration
(1)
Make sure that the applicable quick release access panel 195BB(196BB) is open.
(2)
Make sure that the container is below the applicable water drain valve.
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4. Procedure
_________
(Ref. Fig. 405/TASK 28-11-41-991-005) Subtask 28-11-41-420-057
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 interfaces and the adjacent areas 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.
(4)
Lubricate the new O-ring (2) with FUELS (Material No. 01-001) or COMMON GREASE (Material No. 04-012).
Subtask 28-11-41-420-063
B. Installation of the Outer Valve (Center Tank)
(1)
Install the O-ring (2) on the outer valve (1).
(2)
Install the outer valve (1) in the water drain valve (3).
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