4. Procedure
_________
R (Ref. Fig. 401/TASK 30-21-00-991-901)
Subtask 30-21-00-040-050
A. Deactivation of the Anti Ice Valve
CAUTION : DO NOT APPLY A TORQUE OF MORE THAN 200 LBF.IN. WHEN YOU OPEN OR
_______ CLOSE THE VALVE MANUALLY. HIGH TORQUE CAN CAUSE DAMAGE TO THE INTERNAL SHAFT IN THE VALVE. IF THE VALVE DOES NOT OPEN OR CLOSE WHEN YOU APPLY THE SPECIFIED TORQUE, YOU MUST DO AN OVERHAUL OF THE VALVE.
(1) On the anti ice valve 4000DN:
-set the manual override control to CL with a hexagonal wrench and lock it with the locking pin which is on the valve.
5. Close-up
________
Subtask 30-21-00-865-059
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 1000EM1 1DN1, 2KS1, 4KS1, 3JH1, 2JH1 FOR 1000EM2 1DN2, 2KS2, 4KS2, 3JH2, 2JH2
Subtask 30-21-00-410-052
B. Close Access
(1)
Make sure that the work area is clean and clear of tool(s) and other items.
(2)
Close the right fan cowl door (Ref. TASK 71-13-00-410-040):
-
FOR 1000EM1
438AR.
-
FOR 1000EM2
448AR.
R R Anti-Ice Valve of the Engine Air Intake Figure 401/TASK 30-21-00-991-901
1EFF : 1 1 1CES ALL 1 111 30-21-00 Page 404 Nov 01/02
Subtask 30-21-00-860-051
C. Aircraft Maintenance Configuration
(1)
Remove the warning notice(s).
(2)
Put a warning notice in position in the cockpit to tell persons that the anti ice valve is deactivated in the closed position.
1EFF : ALL 1 30-21-00Page 405 1 1 Nov 01/02R 1 1 1CES 1
TASK 30-21-00-440-001
Reactivation of the Engine Anti-Ice Valve from CLOSED Position
1. Reason for the Job
__________________
R Refer to the MMEL TASK: 30-21-01 b) R Engine Ice Protection R Engine Anti-Ice Valve
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 warning notice
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
71-13-00-010-040 Opening of the Fan Cowl Doors
71-13-00-410-040 Closing of the Fan Cowl Doors
TSM 30 PB 101 (for corrective action)
30-21-00-991-901 Fig. 401
3. Job Set-up
__________
Subtask 30-21-00-860-052
A. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice to tell persons not to start the engine.
(2)
Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3)
On the overhead maintenance panel 50VU:
(a)
Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b)
Put a warning notice to tell persons not to energize the FADEC 1(2).
R (4) On the ANTI ICE section of the panel 25VU:
R (a) Release the ANTI ICE/ENG 1(2) pushbutton switch (the ON legend R goes off).
Subtask 30-21-00-010-053
B. Get Access
(1) Open the right fan cowl door (Ref. TASK 71-13-00-010-040):
-
FOR 1000EM1
438AR.
-
FOR 1000EM2
448AR.
Subtask 30-21-00-865-060
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1
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