(2)
Loosen the nuts and disconnect the hydraulic pipes (1),(2),(10) from the double check valve (6).
(3)
Put blanking caps on the open ends of the hydraulic pipes (1),(2),(10).
(4)
Remove the nut (9) and the washer (8) to disconnect the double check valve (6) from the bracket (7).
(5)
Remove the double check valve (6) from the bracket (7).
(6)
Put blanking caps on the open ports of the double check valve (6).
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Double Check Valve 3717GM Figure 401/TASK 52-36-13-991-001
1EFF : 1 1R 1CES ALL 1 11 1 52-36-13 Page 405 May 01/04
TASK 52-36-13-400-001
Installation of Double Check Valve 3717GM
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 spillage container
No specific tie-wraps
No specific Torque Wrench : range 0.20 to 3.60 m.daN
(2.00 to 26.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R Material No. 02-003 F NSA 307110 TYPE 4 HYDRAULIC FLUID (PHOSPHATE ESTER BASE) (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
25-55-11-400-001 Installation of the AFT Cargo-Compartment Partition FR47 25-55-11-400-002 Installation of the Ceiling Panels in the AFT Cargo
Compartment -FR47/FR59 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-864-002 Depressurize the Yellow Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-14-00-614-002 Pressurization of the Hydraulic Reservoirs through
the Ground Connector
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REFERENCE DESIGNATION
-------------------------------------------------------------------------------
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)
29-24-00-863-001 Pressurize the Yellow Hydraulic System with the Electric Pump
52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
52-30-00-860-002 Close the FWD or AFT Cargo-Compartment Door with the Yellow Electric Pump
52-36-00-600-001 Hydraulic System for the Cargo Compartment Doors -Servicing
52-36-13-991-001 Fig. 401
3. Job Set-up__________
Subtask 52-36-13-860-052
A. Aircraft Maintenance Configuration
(1)
Obey the hydraulic safety procedures (Ref. TASK 29-00-00-910-002).
(2)
Make sure that the Yellow hydraulic system is depressurized and put it in the maintenance configuration. (Ref. TASK 29-10-00-864-002)
(3)
Make sure that the reservoir of the Yellow hydraulic system is depressurized (Ref. TASK 29-14-00-614-001).
(4)
Make sure that the isolation coupling of the Power Transfer Unit (PTU) is disconnected (Ref. TASK 29-23-00-860-001).
(5)
Make sure that the warning notices are in position.
(6)
Make sure that the spillage container is below the double check valve 3717GM.
1EFF : ALL 1 52-36-13Page 407 1 1 May 01/04R 1 1 1CES 1
Subtask 52-36-13-865-051
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
121VU HYDRAULIC/HYD POWER/Y 3803GX N30 122VU DOORS/CARGO 1MJ T12 123VU Y HYD/ELEC/PUMP 3802GX AB06 123VU Y HYD/ELEC/ELEC PUMP/NORM 3801GX AB03
4. Procedure
_________
(Ref. Fig. 401/TASK 52-36-13-991-001) Subtask 52-36-13-420-050
A. Installation of the Double Check Valve 3717GM CAUTION : USE A SECOND WRENCH TO APPLY COUNTERTORQUE TO THE UNION WHEN
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