__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific circuit breaker(s) safety clip(s)
No specific warning notices
No specific access platform 2.2 m (7 ft. 3 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
36-11-56-991-001 Fig. 401
3. Job Set-up
__________
Subtask 36-11-56-865-050
A. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU AIR BLEED/X FEED/VALVE/BAT 2HV D13 49VU AIR BLEED/ENG 1/CTL 3HA1 D12 49VU AIR BLEED/ENG 1/MONG 2HA1 D11
122VU AIR BLEED/ENG 2/CTL 3HA2 Z23 122VU AIR BLEED/ENG 2/MONG 2HA2 Z22 R 122VU AIR BLEED/X FEED VALVE/NORM 1HV Z20
Subtask 36-11-56-860-050
B. Aircraft Maintenance Configuration
(1) Put the warning notices in position:
-
in the cockpit on the Engine Control Panel 115VU to tell persons not to start the engine(s),
-
in the cockpit on the AIR COND Overhead Control Panel 30VU to tell persons not to push in the APU BLEED pushbutton switch,
- on the HP ground connector to tell persons not to pressurize the pneumatic system.
(2) Put the access platform in position below zone 190.
Subtask 36-11-56-010-050
C. Remove the access panel 191BB or 192FB.
4. Procedure
_________
(Ref. Fig. 401/TASK 36-11-56-991-001)
Subtask 36-11-56-020-050
A. Removal of the Pressure Service Check-Valve
(1)
Remove and discard the lockwire from the union (1) and the pressure service check-valve (2).
(2)
Remove and discard the lockwire from the pressure service check-valve
(2) and the connector (4).
(3)
Loosen the union (1) from the pressure service check-valve (2).
(4)
Remove the pressure service check-valve (2) and the O-ring (3) from the connector (4).
(5)
Discard the O-ring (3).
(6)
Put the blanking caps on the union (1) and the connector (4).
Pressure Service Check-Valve 7270HM, 7272HM
Figure 401/TASK 36-11-56-991-001
1EFF : ALL 1 36-11-56 Page 403
1 1 Feb 01/98
1 1
1CES 1
TASK 36-11-56-400-001
Installation of the Pressure Service Check-Valve (7270HM, 7272HM)
WARNING : MAKE SURE THAT THE PNEUMATIC SYSTEM IS DEPRESSURIZED BEFORE YOU START_______ WORK ON THE PNEUMATIC SYSTEM.
1. Reason for the Job__________________
Self Explanatory
2. Job Set-up Information______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific No specific No specific warning noticesaccess platform 2.2 m (7 ft. 3 in.)Torque Wrench : range 1.00 to 10.00 m.daN (8.00 to 75.00 lbf.ft)
B. Consumable Materials
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
R R R R Material No. 06-008 Material No. 06-014 Material No. 19-010 AI TNA 007-10006 LUBRICANT (Ref. 20-31-00) DRY FILM LUBRICANT (Ref. 20-31-00)USA AMS 5687 LOCKWIRE STAINLESS STEEL ANNEALED 0.8MM DIA (Ref. 20-31-00)
C. Expendable Parts
-------------------------------------------------------------------------------FIG.ITEM |DESIGNATION |IPC-CSN -------------------------------------------------------------------------------
3 O-ring 36-11-03 06A-150
D. Referenced Information
-------------------------------------------------------------------------------
REFERENCE DESIGNATION
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