(2)
 Remove the applicable access panel:

 -
FOR 1410GM
 remove 522SB

 -
FOR 1411GM
 remove 622SB.

 4. Procedure
_________
 (Ref. Fig. 401/TASK 29-11-48-991-001)
 Subtask 29-11-48-020-050
 A. Removal of the Check Valve

R WARNING : DO NOT GET THE FLUID ON YOUR SKIN OR IN YOUR EYES. IF YOU DO:
_______ R - FLUSH IT AWAY WITH CLEAN WATER R - GET MEDICAL AID.
 CAUTION : MAKE SURE THAT THE FLUID DOES NOT STAY ON THE AIRCRAFT
_______ STRUCTURE. IF THE FLUID GETS ON THE AIRCRAFT STRUCTURE, WASH IT OFF IMMEDIATELY WITH SOAP AND WATER.

 (1)
 Put a container below the applicable check valve.

 (2)
 Loosen and disconnect the coupling nuts (1) and (5), then remove the pipe (4).

 (3)
 Remove the check valve (2) from the coupling nut (3).

 (4)
 Put blanking plugs on the disconnected line ends.

 (5)
 Remove the container and correctly discard the hydraulic fluid.

 TASK 29-11-48-400-001
 Installation of the Check Valve 1410GM(1411GM)
 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.

 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 warning notice
 No specific access platform 4 m (13 ft. 1 in.)
 No specific container 5 l (1.3208 USgal)

 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 02-003  F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
 Material No. 11-004  USA MIL-T-81533
 1.1.1TRICHLOROETHANE (METHYL CHLOROFORM)
 (Ref. 20-31-00)

 Material No. 19-003  USA AMS 3819
 LINT-FREE COTTON CLOTH (Ref. 20-31-00)

 C. Referenced Information
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
27-81-00-710-001 Operational Test of the Wing-Tip Brake and the
 Pressure-Off Brake 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-863-001 Pressurize the Green Hydraulic System 29-10-00-864-001 Depressurize the Green Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-23-00-860-001 Disconnection of the Isolation Coupling of the Power
 Transfer Unit (PTU) 29-23-00-860-002 Connection of the Isolation Coupling of the Power Transfer Unit (PTU) 29-11-48-991-001 Fig. 401
 3. Job Set-up
__________
 Subtask 29-11-48-941-056
 A. Safety Precautions
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
 (1)
 Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).

 (2)
 Make sure that the warning notice is in position to tell persons not to pressurize the Green hydraulic system.

 (3)
 Make sure that the warning notice is in position to tell persons not to operate the slats.

 (4)
 Make sure that the TOOL-ZERO LOCKING, FLAP SLAT CTL LEVER is on the flap/slat control lever on panel 114VU.

 Subtask 29-11-48-860-053
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the PTU isolation coupling is disconnected (Ref. TASK 29-23-00-860-001).

 (2)
 Make sure that the access platform is in position.

 (3)
 Make sure the applicable access panels 522SB(622SB) are removed.

 (4)
 Make sure that the Green hydraulic system has been depressurized (Ref. TASK 29-10-00-864-001).

 (5)
 Make sure that the Green hydraulic system reservoir has been depressurized (Ref. TASK 29-14-00-614-001).

 (6)
　
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