(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.
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Subtask 33-42-11-020-052
B. Removal of the Landing Light Lamp (Ref. Fig. 402/TASK 33-42-11-991-004)
(1)
Hold the lamp (7) and remove the screw (5) and the clamp (6).
(2)
Remove the lamp (7) from the lamp housing (1) to get access to the electrical terminals (3).
(3)
Remove the screws (2) and disconnect the two electrical terminals (3). Remove the lamp (7).
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Landing Light Lamp Figure 402/TASK 33-42-11-991-004
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TASK 33-42-11-400-004
Installation of the Landing Light Lamp
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 : WEAR GLASSES AND PROTECTIVE CLOTHING WHEN YOU WORK ON THE LIGHT._______
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 LAMP, 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__________________
R R Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific safety barriers No specific warning notice No specific access platform 1 m (3 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the External Power 24-41-00-862-002 De-energize the Aircraft Electrical Circuits Supplied
from the External Power 33-42-00-710-001 Operational Test of the Landing Lights 33-42-11-991-004 Fig. 402
3. Job Set-up
__________ Subtask 33-42-11-941-056
A. Safety Precautions
(1)
Make sure that the safety barriers are in position.
(2)
Make sure that the warning notice is in position to tell persons not to operate the landing lights.
Subtask 33-42-11-860-052
B. Aircraft Maintenance Configuration
(1)
Make sure that the landing light is in the extended position.
(2)
Make sure that the LAND L (R) switch (in the cockpit) is set to OFF position.
(3)
Make sure that the access platform is in position below the applicable landing light.
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Subtask 33-42-11-865-056
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
-------------------------------------------------------------------------------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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