(2)
Put the safety barriers in position.
(3)
Put a warning notice in the cockpit to tell persons not to pressurize the Yellow hydraulic system.
Subtask 29-13-52-864-051
B. Depressurize the Applicable 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 Yellow hydraulic system (Ref. TASK 29-00-00-864-001).
(2)
Depressurize the Yellow hydraulic system reservoir (Ref. TASK 29-14-00-614-001).
Subtask 29-13-52-865-055
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU HYD/FIRE VALVE/Y/ENG2 3702GD C14 121VU HYDRAULIC/Y HYD/PUMP ENG2/MONG 3700GD Q37
Subtask 29-13-52-010-053
D. Get Access
(1)
Put the access platform in position, below zone 674.
(2)
Remove the access panel 674AB.
4. Procedure
_________
(Ref. Fig. 402/TASK 29-13-52-991-002) Subtask 29-13-52-020-051
A. Removal of the Engine Pump Fire-Valve Actuator
(1)
Disconnect the electrical connector (8).
(2)
Put blanking caps on the disconnected electrical connections.
(3)
Remove the screw (10) and disconnect the bonding lead (9) from the actuator (1).
(4)
Loosen the screws (4) sufficiently to remove the clamp halves (3) and
(7) from the actuator (1).
(5)
Remove and discard the O-rings (2).
(6)
Remove the actuator (1), from the adaptor plate (5).
(7)
Put blanking covers on the openings of the adaptor plate (5), and the actuator (1).
Actuator - Engine Pump Fire-Valve (3046GD)
Figure 402/TASK 29-13-52-991-002
1EFF : ALL 1 29-13-52 Page 414
1 1 Feb 01/98
1 1
1CES 1
TASK 29-13-52-400-002
Installation of the Actuator - 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 circuit breaker(s) safety clip(s)
No specific safety barriers
No specific warning notice
No specific access platform 3 m (9 ft. 10 in.)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
Material No. 11-026 GB DEF-STAN 68-148/1 R SOLVENT GENERAL PURPOSE (Ref. 20-31-00) Material No. 19-003 USA AMS 3819 LINT-FREE COTTON CLOTH (Ref. 20-31-00)
C. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R 20-28-00-912-004 Electrical Bonding of Components With Conductive R Bolts and Screws and Bonding Straps in the Fuselage R and in the Wings (this does not includes the tanks)-
20-29-00-911-001 Installation of the O-ring Seal 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
29-14-00-614-001 Depressurization of the Hydraulic Reservoirs
29-13-52-991-002 Fig. 402
3. Job Set-up
__________
Subtask 29-13-52-941-060
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.
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