-
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__________________ Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific blanking caps No specific circuit breaker(s) safety clip(s) No specific safety barriers No specific warning notice No specific adjustable access platform 1.65 m (5 ft. 5 in.)
1EFF : 301-399, 1 28-26-43Page 401 1 1 May 01/04 1 1 1CES 1 B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
28-10-00-910-001 Safety Procedures When You Do Work in a Fuel Tank
28-10-00-910-002 Access to the Fuel Tanks and the Work Areas
28-25-00-650-001 Pressure Defuel
28-25-00-650-003 To Drain Remaining Fuel from the Wing Tanks and the
Center Tank
28-26-51-000-001 Removal of the Fuel Control Valve Actuator 11QL(12QL)
32-12-00-010-001 Open the Main Gear Doors for Access
53-35-13-000-002 Removal of the Quick-Release Access Panels from the
Belly Fairing Structure
57-17-11-000-001 Removal of the Covers 147AZ (148AZ)
28-26-43-991-001 Fig. 401
3. Job Set-up__________
Subtask 28-26-43-941-052
A. Safety Precautions
WARNING : OBEY THE SAFETY PROCEDURES WHEN YOU DO WORK IN A FUEL TANK.
_______
(1)
You must obey the fuel safety procedures (Ref. TASK 28-10-00-910-001) when you do work in a fuel tank.
(2)
Put the safety barriers in position.
(3)
Put a warning notice in position to tell persons not to operate the MLG doors.
Subtask 28-26-43-650-050
B. Fuel Configuration
(1)
Defuel the center tank (Ref. TASK 28-25-00-650-001).
(2)
Drain the remaining fuel from the center tank (Ref. TASK 28-25-00-650-003).
1EFF : 301-399, 1 28-26-43Page 402 1 1 May 01/04 1 1 1CES 1 Subtask 28-26-43-865-050
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------121VU FUEL/CTR TK/AUTO/CTL 3QL R27 121VU FUEL/CTR TK/L&R XFR/CTL & IND 2QL R26 121VU FUEL/CTR TK/L&R XFR/CTL & IND 1QL R25
Subtask 28-26-43-010-050
D. Get Access
(1)
Put the adjustable access platform in position below the applicable access panel:
-
FOR 153QM
below 195AB
-
FOR 154QM
below 196AB.
(2)
Open the applicable access door on the access panel 195AB(196AB) (Ref. TASK 53-35-13-000-002):
-
FOR 153QM
open 195BB
-
FOR 154QM
open 196BB.
(3)
Open the applicable MLG door (Ref. TASK 32-12-00-010-001).
(4)
Make sure that the GROUND LOCK SLEEVE is installed on the applicable MLG door actuating cylinder.
(5)
Put the adjustable access platform in position below the applicable access panel:
-
FOR 153QM
below 147AZ
-
FOR 154QM
below 148AZ.
(6)
Remove the applicable access panel 147AZ (148AZ) (Ref. TASK 28-10-00-910-002), (Ref. TASK 57-17-11-000-001):
-
FOR 153QM
remove 147AZ
-
FOR 154QM
remove 148AZ.
1EFF : 301-399, 1 28-26-43Page 403 1 1 May 01/04 1 1 1CES 1
4. Procedure
_________
(Ref. Fig. 401/TASK 28-26-43-991-001) Subtask 28-26-43-020-050
A. Removal of the Jet Pump Fuel Control Valve 153QM (154QM)
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