(2)
 Put blanking caps on the disconnected electrical connectors.

 (3)
 Hold the engine pump fire valve (5) and disconnect the coupling-nuts

 (1) and (4).

 (4)
 Compress the compensated slide (6) to decrease its length. Remove the engine pump fire-valve (5).

 (5)
 Put blanking plugs on the disconnected line ends.

 Engine Pump Fire-Valve (3046GD)
 Figure 401/TASK 29-13-52-991-001- 12 (SHEET 1)
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 Engine Pump Fire-Valve (3046GD)
 Figure 401/TASK 29-13-52-991-001- 22 (SHEET 2)
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 TASK 29-13-52-400-001 Installation of the Engine Pump Fire-Valve (3046GD) 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 safety barriers No specific warning notice No specific access platforem 3 m (9 ft. 10 in.)
 B. Consumable Materials
 -------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
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 -------------------------------------------------------------------------------
29-00-00-864-001 Put the Related Hydraulic System in the Depressurized
 Configuration before Maintenance Action 29-00-00-910-002 Safety Procedures of the Hydraulic System 29-10-00-720-001 Functional Test of the Hydraulic Fire Shut-Off Valves
 1046GK and 3046GD 29-10-00-863-002 Pressurize the Yellow Hydraulic System 29-10-00-864-001 Depressurize the Green Hydraulic System 29-14-00-614-001 Depressurization of the Hydraulic Reservoirs 29-13-52-991-001 Fig. 401
 3. Job Set-up
__________ Subtask 29-13-52-941-059
 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 Yellow hydraulic system.

 Subtask 29-13-52-860-050
 B. Aircraft Maintenance Configuration
 (1)
 Make sure that the Yellow hydraulic system is depressurized (Ref. TASK 29-00-00-864-001).

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

 (3)
 Make sure that the access platforem is in position.

 (4)
 Make sure that the applicable access panels 674AB(674BB) are open.

 Subtask 29-13-52-865-051
 C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged
 -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/FIRE VALVE/Y/ENG2 3702GD C14 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37
 4. Procedure
_________
 (Ref. Fig. 401/TASK 29-13-52-991-001)
 Subtask 29-13-52-560-050
 A. Preparation of a Replacement Component
 (1) Remove the blanking plugs and drain the hydraulic fluid from the engine pump fire-valve (5).
 Subtask 29-13-52-420-054
 B. Preparation for Installation
 WARNING : USE SOLVENTS/CLEANING AGENTS, SEALANTS AND OTHER SPECIAL
_______ MATERIALS ONLY WITH A GOOD SUPPLY OF AIR. OBEY THE MANUFACTURERS INSTRUCTIONS. PUT ON PROTECTIVE CLOTHING. DO NOT GET THEM IN YOUR MOUTH. DO NOT SMOKE. DO NOT BREATHE THE GAS. THESE MATERIALS ARE POISONOUS, FLAMMABLE AND SKIN IRRITANT. GET MEDICAL HELP IF YOUR SKIN OR EYES BECOME IRRITATED.
　
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