R -------------------------------------------------------------------------------R REFERENCE DESIGNATION R -------------------------------------------------------------------------------
R 28-10-00-910-001 R 28-10-00-910-002 R 28-12-47-000-001 R 28-25-00-650-001 R 28-25-00-650-003 R R 57-27-11-000-002 R R R R 28-11-42-991-002
R 3. Job Set-up
__________
R Subtask 28-11-42-941-052
R A. Safety Precautions Safety Procedures When You Do Work in a Fuel Tank Access to the Fuel Tanks and the Work Areas Removal of the NACA Vent Intake Pressure Defuel To Drain Remaining Fuel from the Wing Tanks and the Center Tank Removal of the Access Panel (540HB, 540JB, 540KB, 540LB, 540MB, 540NB, 540PB, 540QB, 540RB, 550AB, 550BB, 550CB, 550DB, 560AB, 640HB, 640JB, 640KB, ....) Fig. 402
R (1) You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001)
R when you do work in a fuel tank.
R (2) Put the safety barriers in position.
R Subtask 28-11-42-650-053
R B. Fuel Configuration
R (1) Defuel the applicable fuel tank (Ref. TASK 28-25-00-650-001).
R (2) Drain the remaining fuel from the applicable fuel tank (Ref. TASK 28-R 25-00-650-003).
R Subtask 28-11-42-010-052
R C. Get Access
R (1) Put the access platform below the applicable access panel:
R - FOR 214QM, 215QM R 540RB R - FOR 216QM, 217QM R 640RB.
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R (2) Remove the applicable access panel (Ref. TASK 28-10-00-910-002),
R (Ref. TASK 57-27-11-000-002):
R - FOR 214QM, 215QM
R remove 540RB
R - FOR 216QM, 217QM
R remove 640RB.
R (3) Remove the applicable NACA vent intake (Ref. TASK 28-10-00-910-002),
R (Ref. TASK 28-12-47-000-001):
R - FOR 214QM, 215QM
R remove 550AB
R - FOR 216QM, 217QM
R remove 650AB.
R 4. Procedure_________
R (Ref. Fig. 402/TASK 28-11-42-991-002)
R Subtask 28-11-42-020-051
R A. Removal of the Clack Valve
R (1) Remove the bolts (1).
R (2) Remove the clack valve (2).
R Clack Valve
R Figure 402/TASK 28-11-42-991-002
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1 1
1CES 1
R TASK 28-11-42-400-002
R Installation of the Clack Valve 214QM(216QM), 215QM(217QM)
R WARNING : MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING_______
R NOTICES ARE IN POSITION.
R WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING_______
R GEAR.
R 1. Reason for the Job__________________
R Self Explanatory
R 2. Job Set-up Information______________________
R A. Fixtures, Tools, Test and Support Equipment
R -------------------------------------------------------------------------------
R REFERENCE QTY DESIGNATION
R -------------------------------------------------------------------------------
R No specific safety barriers
R No specific access platform 4.0 m (13 ft. 1 in.)
R B. Consumable Materials
R -------------------------------------------------------------------------------
R REFERENCE DESIGNATION
R -------------------------------------------------------------------------------
R Material No. 09-017 GB DTD-900/6137
R FUEL TANK BRUSHCONSISTENCY (Ref. 20-31-00)
R Material No. 11-026 GB DEF-STAN 68-148/1
R SOLVENT GENERAL PURPOSE (Ref. 20-31-00)
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