(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 safety barriers are in position. R **ON A/C 001-049, 051-061, 101-103, 201-203,
 Subtask 29-11-52-860-050
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the Green Hydraulic system is depressurized (Ref. TASK 29-00-00-864-001).

 (2)
 Make sure that the applicable hydraulic reservoir is depressurized (Ref. TASK 29-14-00-614-001).

 (3)
 Make sure that the access platform is below the zone 574.

 (4) Make sure that the access panels 574AB and 574BB are open. R **ON A/C 062-099, 104-149, 151-199, 204-299, 301-399, 401-499,
 Subtask 29-11-52-860-050-A
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the Green Hydraulic system is depressurized (Ref. TASK 29-00-00-864-001).

 (2)
 Make sure that the applicable hydraulic reservoir is depressurized (Ref. TASK 29-14-00-614-001).

 (3)
 Make sure that the access platform is below the zone 574.

 (4) Make sure that the access panels 574AB and 574BB are removed.
 **ON A/C ALL

 Subtask 29-11-52-865-051
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------
49VU HYD/FIRE VALVE/G/ENG1 1703GK C13 121VU HYDRAULIC/G HYD/PUMP ENG1/MONG 1702GK R34
 4. Procedure
_________
 (Ref. Fig. 401/TASK 29-11-52-991-001)
 Subtask 29-11-52-420-054

 A. Preparation for Installation
 (1)
 Remove the blanking caps and the plugs.

 (2)
 Clean the component interfaces and the adjacent area with a MISCELLANEOUS (Material No. 19-003) made moist with CLEANING AGENTS (Material No. 11-026).

 (3)
 Make sure that the parts retained from the removed component are clean and in the correct condition.

 (4)
 Do an inspection of the component interface and/or the adjacent area.

 (5)
 Make sure that the hydraulic line end-fittings are serviceable.
 Subtask 29-11-52-420-052

 B.
 Installation of the Engine Pump Fire-Valve

 (1)
 Put the engine pump fire-valve (5) in position.

 (2)
 Engage the coupling-nut (6). Do not tighten it fully.

 (3)
 Extend the compensated slide (4) to engage the coupling-nut (3). Do not tighten it fully.

 (4)
 Make sure that the engine pump fire-valve (5) is correctly aligned, and tighten the coupling-nuts (6) and (3).

 (5)
 Connect the cable connector (1) to the electrical connector (2). Subtask 29-11-52-865-052

 C.
 Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): 1702GK, 1703GK.

 Subtask 29-11-52-863-051
 D. Pressurize the Hydraulic System WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES
_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
R (1) Pressurize the Green Hydraulic system (Ref. TASK 29-10-00-863-001).
 Subtask 29-11-52-720-051
 E. Test
 (1)
 Do a dry motoring check (Ref. TASK 71-00-00-710-001).

 (2)
 Do a functional test of the engine pump fire-valve (5) (Ref. TASK 29-10-00-720-001).

 (3)
 Examine the hydraulic connections of the engine pump fire-valve (5) for leaks.

 Subtask 29-11-52-864-052
 F. Depressurize the Hydraulic System WARNING : MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROL SURFACES
_______ ARE CLEAR BEFORE YOU PRESSURIZE/DEPRESSURIZE A HYDRAULIC SYSTEM.
 (1) Depressurize the Green hydraulic system (Ref. TASK 29-10-00-864-001).
 5. Close-up
________
 **ON A/C 001-049, 051-061, 101-103, 201-203,

 Subtask 29-11-52-410-050
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
 Remove the container.

 (3) Close the access panels 574AB, 574BB. R **ON A/C 062-099, 104-149, 151-199, 204-299, 301-399, 401-499,
 Subtask 29-11-52-410-050-A
 A. Close Access
 (1)
 Make sure that the work area is clean and clear of tool(s) and other items.

 (2)
　
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