2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific circuit breaker(s) safety clip(s)
No specific safety barriers
No specific warning notice
No specific access platform 2.8 m (9 ft. 2 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION
-------------------------------------------------------------------------------
28-11-00-280-002 Fuel Tank Leak Checks
28-11-41-000-003 Removal of the Water Drain Valve 25QM (26QM)
28-21-51-000-001 Removal of the Fuel Pumps 21QA(26QA) and 25QA(22QA)
33-42-11-991-002 Fig. 401
3. Job Set-up
__________
Subtask 33-42-11-941-052
A. Safety Precautions
(1)
Put the safety barriers in position.
(2)
Put a warning notice in the cockpit to tell persons not to operate the landing lights.
Subtask 33-42-11-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU LIGHTING/LANDING LT/R/CTL 4LB T07 122VU LIGHTING/LANDING LT/R/SPLY 2LB T06 122VU LIGHTING/LANDING LT/L/CTL 3LB T05 122VU LIGHTING/LANDING LT/L/SPLY 1LB T04
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Subtask 33-42-11-010-050
C. Get Access
(1) Put the access platform in position as applicable:
-
FOR 7LB
below zone 571
-
FOR 8LB
below zone 671.
4. Procedure
_________
(Ref. Fig. 401/TASK 33-42-11-991-002) Subtask 33-42-11-210-058
A. Examine the Landing Light Assembly for Fuel Contamination
(1)
Examine the landing light assembly for signs of fuel contamination.
(2)
If you find fuel contamination, examine the items that follow for fuel leakage:
-
the fuel pumps 21QA(26QA) and 25QA(22QA) (Ref. TASK 28-21-51-000-001)
-
the water drain valve 25QM(26QM) (Ref. TASK 28-11-41-000-003)
-
the wing tank structure (Ref. TASK 28-11-00-280-002). Repair the leak(s) as necessary.
Subtask 33-42-11-020-050
B. Removal of the Landing Light
(1)
Disconnect the electrical connector (4) from the light assembly (1).
(2)
Put a blanking cap on the disconnected electrical connector.
(3)
Remove the screws (2).
(4)
Remove the light assembly (1).
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Landing Light 7LB (8LB) Figure 401/TASK 33-42-11-991-002
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TASK 33-42-11-400-003
Installation of the Landing Light 7LB (8LB)
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.
WARNING : MAKE SURE THAT THERE ARE NO SIGNS OF FUEL CONTAMINATION IN THE_______ LANDING LIGHT ASSEMBLY. IF YOU FIND FUEL CONTAMINATION, NO PERSON MUST OPERATE THE LANDING LIGHT UNTIL: - YOU REPAIR THE FUEL LEAK - YOU REPLACE THE LANDING LIGHT ASSEMBLY. IF YOU DO NOT OBEY THIS PRECAUTION, IGNITION OF THE REMAINING FUEL IN THE LANDING LIGHT CAN OCCUR.
R R R R R R R R R R R R CAUTION : WHEN YOU REPLACE A LANDING LIGHT ASSEMBLY, EXAMINE THE APPLICABLE_______ LANDING LIGHT ASSEMBLY FOR SIGNS OF FUEL CONTAMINATION. IF YOU FIND FUEL CONTAMINATION, EXAMINE THE ITEMS THAT FOLLOW FOR SIGNS OF FUEL LEAKAGE: - THE FUEL PUMP(S) 21QA(26QA) OR 25QA(22QA) - THE WATER DRAIN VALVE 25QM(26QM) DIRECTLY FORWARD OF THE LANDING LIGHT ASSEMBLY. REFER TO AMM 28-11-00-06 FOR LEAKAGE LIMITS AND REPAIR AS NECESSARY. IF YOU DO NOT REPAIR THE LEAK, NO PERSONS MUST OPERATE THE APPLICABLE LANDING LIGHT UNTIL: - THE LEAK IS REPAIRED - THE LANDING LIGHT ASSEMBLY IS REPLACED.
1. Reason for the Job__________________
Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
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