3. On the DRIVING TOOL connected to On this wheel: the wheel with the replaced tachometer:
-decrease the speed to zero. - the brake pistons retract.
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-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------NOTE : You must release the brake
____
pedals before you stop the
last tachometer.
4. Release the brake pedals. On all the brakes:
-the pistons are retracted.
5. On the DRIVING TOOL connected to the wheel of the opposite landing gear:
-decrease the speed to zero.
NOTE : The braking system goes
____
back to the usual
operating condition 20
seconds after the test
Subtask 32-42-00-740-051
B. Reset the related Spoiler Elevator Computers
(1)
Energize the aircraft electrical circuits
(Ref. TASK 24-41-00-861-002).
(2)
Set the related SEC(s).
(a)
For the tachometer(s) 19GG and/or 22GG: - on the overhead panel 23VU, release the FLT CTL SEC 3 pushbutton switch, then push it in
- on the overhead panel 24VU, release the FLT CTL SEC 2 pushbutton switch, then push it in.
(b)
For the tachometer(s) 20GG and/or 21GG:
- on the overhead panel 23VU, release the FLT CTL SEC 1 pushbutton switch, then push it in.
(3)
Do the BITE test of the EFCS computers (Ref. TASK 27-96-00-740-001).
(4)
Make sure that the MCDU shows no maintenance message related to the tachometer.
(5)
De-energize the aircraft electrical circuits
(Ref. TASK 24-41-00-862-002).
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C. Aircraft Maintenance Configuration
(1)
Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
(2)
Do the ADIRS stop procedure (Ref. TASK 34-10-00-860-005).
(3)
De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
(4)
Remove the MLG WHEEL TACHYMETER DRIVING TOOL (355M03190001) or the DRIVING ADAPTOR (98D32403004000) with the drilling machines.
5. Close-up
________ Subtask 32-42-00-942-058
A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tool(s) and other items.
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TASK 32-42-00-710-005 Operational test of the autobrake deceleration rate arming WARNING : MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING
_______ GEAR.
WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES ARE
_______ CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
WARNING : MAKE SURE THAT THE CONTROLS AGREE WITH THE POSITION OF THE ITEMS THEY
_______ OPERATE BEFORE YOU PRESSURIZE A HYDRAULIC SYSTEM.
WARNING : PRESSURIZE ONLY THE HYDRAULIC SYSTEM(S) THAT IS (ARE) NECESSARY FOR
_______ THE TASK. ISOLATE THE OTHER HYDRAULIC SYSTEM(S) BEFORE YOU SUPPLY HYDRAULIC POWER TO THE AIRCRAFT.
WARNING : MAKE SURE THAT ALL THE CIRCUITS IN MAINTENANCE ARE ISOLATED BEFORE
_______ YOU SUPPLY ELECTRICAL POWER TO THE AIRCRAFT.
1. Reason for the Job__________________ Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------
REFERENCE QTY DESIGNATION
-------------------------------------------------------------------------------
No specific warning notice
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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
29-23-00-863-001 Pressurize the Green Hydraulic System from the Yellow Hydraulic System through the PTU with the Electric Pump
29-23-00-864-001 Depressurize the Green and Yellow Hydraulic Systems
after Operation of the PTU 34-10-00-860-004 IR Alignment Procedure 34-10-00-860-005 ADIRS Stop Procedure
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