(4)
Close the access panel 191MB.
(5)
Remove the warning notice(s).
(6)
Make sure that the work area is clean and clear of tool(s) and other items.
Subtask 33-37-00-862-050
B. De-energize the aircraft electrical circuit (Ref. TASK 24-41-00-862-002).
TASK 33-37-00-720-001
Functional Test of the Maintenance Sockets
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
WARNING : MAKE SURE THAT THE NLG DOWNLOCK SAFETY PIN AND THE TWO DOOR SAFETY
_______ PINS ARE INSTALLED.
1. Reason for the Job
__________________
To make sure that the maintenance sockets operate correctly.
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
98D32203502000 1 SAFETY PIN - NLG DOOR FOR FIN 3LL No specific stepladder 2.0 m (6 ft. 7 in.) FOR FIN 4LL No specific multimeter
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 29-10-00-864-001 Depressurize the Green Hydraulic System 29-10-00-864-002 Depressurize the Yellow Hydraulic System 29-10-00-864-003 Depressurize the Blue Hydraulic System 32-22-00-010-001 Nose Gear Doors - Ground Doors Opening 32-22-00-410-001 Nose Gear Doors - Ground Doors Closing
3. Job Set-up
__________ Subtask 33-37-00-861-051
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 33-37-00-865-051
B. Make sure that this(these) circuit breaker(s) is(are) closed:
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
122VU LIGHTING/WHL WELL/LTG/OUT 1LL X07
Subtask 33-37-00-010-052
C. Get Access
(1)
Open the nose gear doors for access (Ref. TASK 32-22-00-010-001).
(2)
Depressurize the Green, Yellow and Blue hydraulic systems (Ref. TASK 29-10-00-864-001) (Ref. TASK 29-10-00-864-002) (Ref. TASK 29-10-00-864-003).
(3)
Install the SAFETY PIN - NLG DOOR on the nose gear doors. FOR 3LL
(4)
Put the stepladder in position in zone 123.
FOR 4LL
(5)
Open the access panel 191MB.
(6)
Use the multimeter for this test.
4. Procedure
_________
Subtask 33-37-00-720-050
A. Test of the Maintenance Sockets
(1) Do this test.
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the electrical combination On the multimeter: panel 2025VU:
-measure the output voltage - the output voltage is 28 V DC.
between the connections + and N
on the maintenance socket 4LL.
2. In the nose wheel well On the multimeter: compartment zone 123:
-measure the output voltage - the output voltage is 28 V DC.
between the connections + and N
on the maintenance socket 3LL.
5. Close-up
________ Subtask 33-37-00-410-051
A. Close Access
(1)
Remove the multimeter.
(2)
Remove the SAFETY PIN - NLG from the nose gear door (Ref. TASK 32-22-00-410-001).
(3)
Remove the stepladder.
(4)
Pressurize the Yellow hydraulic system to close the nose gear doors.
(5)
Make sure that the work area is clean and clear of tool(s) and other items.
(6)
Close the nose gear doors (Ref. TASK 32-22-00-410-001).
FOR 4LL
(7)
Close the access panel 191MB.
Subtask 33-37-00-862-051
B. De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
LIGHT - DOME, MLG L AND R WELL (7LL,8LL) - REMOVAL/INSTALLATION
_______________________________________________________________
