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 Removal of the Check Valve Restrictor Tubes (for Engine 1 1000EM1)
 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
__________________
 This task is effective post SB RA32178-1 This task is for the removal of the check valve restrictor tubes for engine 1 1000EM1. For the removal of the check valve restrictor tubes for engine 2 1000EM2 (Ref.Task 29-13-49-000-00700).
 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 access platform 0.8 m (2 ft. 7 in.)
 No specific container 5 l (1.3208 USgal)

 B. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-864-001 Depressurize the Green and Yellow Hydraulic Systems after Operation of the PTU 71-13-00-010-040 Opening of the Fan Cowl Doors R 29-11-49-991-913 Fig. 411

 3. Job Set-up
__________ Subtask 29-11-49-860-096
 A. Aircraft Maintenance Configuration
 (1)
 Depressurize the Green hydraulic system (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.

 (4)
 Put warning notice(s) on the access door 195BB to tell persons not to pressurize the Green hydraulic reservoir.

 Subtask 29-11-49-941-081
 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 1.

 (2)
 Make sure that the engine 1 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 pushbutton switch is off.

 (5)
 Put warning notice(s) to tell persons not to energize the FADEC 1.

 (6)
 Put a container below the tee fitting on the upper case drain tube.

 1EFF : ALL 1 29-11-49Page 470 1 1 Aug 01/05R 1 1 1CES 1

 Subtask 29-11-49-865-066
 C. Open, safety and tag this(these) circuit breaker(s):
 -------------------------------------------------------------------------------
PANEL DESIGNATION IDENT. LOCATION
 -------------------------------------------------------------------------------
121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
 Subtask 29-11-49-010-082
 D. Get Access
 (1)
 Open the fan-cowl doors:

 -437AL, 438AR (Ref. TASK 71-13-00-010-040).

 (2)
 Open the access door 195BB.

 (3)
 Put the access platform in position at the engine.

 4. Procedure
_________ R (Ref. Fig. 411/TASK 29-11-49-991-913) Subtask 29-11-49-020-068
 A. Removal of the Check Valve Restrictor Tubes
 (1)
 Disconnect the tube (15) from the tee fitting on the upper case drain tube. Let the fluid drain into the container below the tee fitting.

 (2)
 Remove the bolt (5), washer (20), nut (25), and clamp (10) that attach the tube (15) to the bracket at engine flange STA185 (B5).

 (3)
 Remove the bolt (5), washer (20), nut (25), and clamp (10) that attach the tube (15) to the bracket at engine flange STA199 (A2).

 (4)
 Disconnect the tube (30) from the tube (15).

 (5)
 Remove the bolts (5), washers (20), nuts (25), and clamps (10) that attach the tube (30) to the brackets at engine flange STA199 (A2). (3 locations)
　
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