C.
Safety precautions
(1) Remove the warning notice(s).
TASK 29-11-49-000-003
Removal of the Top Case Drain Hose/Tube Assembly
WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
WARNING : DO NOT TOUCH THE HYDRAULIC SYSTEM COMPONENTS FOR A SHORT TIME AFTER
_______ THE ENGINE IS SHUTDOWN. THE ENGINE COMPONENTS STAY HOT FOR SOME TIME AND CAN CAUSE INJURY.
CAUTION : DO NOT LET HYDRAULIC FLUID FALL ON THE ENGINE. UNWANTED HYDRAULIC
_______ FLUID MUST BE REMOVED IMMEDIATELY WITH A CLEAN LINT FREE CLOTH. THE FLUID CAN CAUSE DAMAGE TO THE SURFACE PROTECTION AND TO SOME PARTS.
1. Reason for the Job
__________________
Self Explanatory
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 protective covers
No specific warning notice(s)
No specific wrench
No specific container 5 l (1.3208 USgal)
FOR FIN 1000EM1
No specific access platform 0.8 m (2 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs R 29-23-00-864-001 Depressurize the Green and Yellow Hydraulic Systems R after Operation of the PTU
29-11-49-991-908 Fig. 405 FOR FIN 1000EM1 R 71-13-00-010-040 Opening of the Fan Cowl Doors
3. Job Set-up
__________
Subtask 29-11-49-860-069
A. Aircraft Maintenance Configuration
(1) Depressurize the Green hydraulic system R (Ref. TASK 29-23-00-864-001).
(2)
Depressurize the Green hydraulic reservoir (Ref. TASK 29-14-00-614-001).
(3)
Put warning notice(s) in position to tell persons not to pressurize the Green hydraulic system: - on the ground service panel 197CB.
R (4) Put warning notice(s) in position on the access door 195BB to tell R persons not to pressurize the Green hydraulic reservoir.
Subtask 29-11-49-941-067
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
-put warning notice(s) to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
Put warning notice(s) in position to tell persons not to pressurize the Green hydraulic system:
-in the cockpit, on the HYD section of the overhead panel 40VU.
(4)
On the overhead maintenance panel 50VU:
-make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(5)
Put warning notice(s) to tell persons not to energize the FADEC 1(2).
(6)
Put a container below the suction-hose adapter connection to the hydraulic pump.
Subtask 29-11-49-865-061
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
Subtask 29-11-49-010-067
D. Get Access
R (1) Open the left fan cowl door: FOR 1000EM1 R - open the door 437AL (Ref. TASK 71-13-00-010-040).
(2) Put the access platform in position at the engine.
4. Procedure
_________
(Ref. Fig. 405/TASK 29-11-49-991-908)
Subtask 29-11-49-020-061
A. Removal of the Top Case Drain Hose/Tube Assembly
(1) Disconnect the drain hose/tube (20) from the hydraulic filter assembly and let the fluid flow into the container.
NOTE : Use a second wrench to hold the union on the filter assembly
____ when you loosen the coupling nut on the drain hose/tube (20).
(2)
Remove the bolt (25), the washer (10) and the clamp (15) that attach the drain hose/tube (20) to the lower channel.
(3)
Remove the bolt (5), the washer (10) and the clamp (15) that attach the drain hose/tube (20) to the higher channel.
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