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)
 Slowly disconnect the coupling nuts (1) and (3) and remove the pipe (2). Let the hydraulic fluid drain into the container.

 (2)
 Remove the check valve (4) from the coupling nut (5).

 (3)
 Put blanking plugs on the disconnected line ends.

R 1EFF : ALL 1 29-11-48Page 416 1 1 Feb 01/05 1 1 1CES 1 TASK 29-11-48-400-002

 Installation of the Check Valve 1170GM
 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 safety barriers
 No specific warning notice
 No specific access platform 3.5 m (11 ft. 6 in.)

 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 -------------------------------------------------------------------------------
27-50-00-866-008 Extension of the Flaps on the Ground 27-51-00-710-001 Operational Test of the Wing Tip Brake and the
 Pressure Off Brake 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-864-001 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) 29-11-48-991-002 Fig. 402
 3. Job Set-up
__________
 Subtask 29-11-48-941-063
 A. Safety Precautions
 WARNING : OBEY THE HYDRAULIC SAFETY PROCEDURES.
_______
 (1)
 You must obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002) when you do work on the hydraulic system.

 (2)
 Make sure that the safety barriers are in position.

 (3)
 Make sure that the warning notice is in position to tell persons not to pressurize the Green hydraulic system.

 (4)
 Make sure that the warning notice is in position to tell persons not to operate the flaps.

 Subtask 29-11-48-860-056
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the flaps are fully extended (Ref. TASK 27-50-00-866-008).

 (2)
 Make sure that the LOCKING TOOL - FLAP/SLAT CONTROL LEVER is on the flap/slat control lever on panel 114VU.

 (3)
 Make sure that the PTU isolation coupling is disconnected (Ref. TASK 29-23-00-860-001).

 (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 reservoir is depressurized (Ref. TASK 29-14-00-614-001).

 (6)
 Make sure that the access platform is in position.

 (7)
 Make sure that the access panel 675DB is removed.

 Subtask 29-11-48-865-056
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU FLIGHT CONTROLS/SEC1/NORM/SPLY 21CE1 B08
R 49VU FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 6CV B07 105VU FLT CTL/SEC1/STBY SPLY 22CE B01 121VU FLIGHT CONTROLS/WTB/FLP/SYS2 12CV P20 121VU FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 8CV Q21 121VU FLIGHT CONTROLS/SEC3/SPLY 21CE3 Q19 121VU FLIGHT CONTROLS/SEC2/SPLY 21CE2 Q18 121VU HYDRAULIC/G HYD/PUMP ENG1/CTL 1701GK R35 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34 122VU FLIGHT CONTROLS/WTB/FLP/SYS1 10CV S07
　
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