4. Procedure
_________ R (Ref. Fig. 401/TASK 30-21-00-991-901) Subtask 30-21-00-440-050
A. Reactivation of the Anti Ice Valve
(1)
On the anti ice valve 4000DN, remove the pin that locks the manual override control.
(2)
Install the lock-pin in the transportation hole which is in the valve.
Subtask 30-21-00-865-052
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s): FOR 1000EM1 1DN1, 2KS1, 4KS1, 2JH1, 3JH1 FOR 1000EM2 1DN2, 2KS2, 4KS2, 2JH2, 3JH2
Subtask 30-21-00-810-050
C. Do the trouble-shooting of the engine air-intake ice-protection system (Ref. TSM 30 PB 101) and do the necessary repair procedure(s).
5. Close-up
________
Subtask 30-21-00-410-053
A. 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.
(3)
Remove the warning notice(s).
TASK 30-21-00-040-002
Deactivation of the Engine Anti-Ice Valve in the OPEN Position
1. Reason for the Job
__________________
Refer to the MMEL TASK: 30-21-01 a)
Engine Ice Protection
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 hexagonal wrench
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 R 30-21-00-991-901 Fig. 401
3. Job Set-up
__________
Subtask 30-21-00-860-053
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 befor 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 panel 25VU:
R (a) Release the ANTI ICE/ENG 1(2) pushbutton switch. (on the R pushbutton switch, the ON legend goes off).
Subtask 30-21-00-010-054
B. Get Access
(1) Open the right fan cowl door (Ref. TASK 71-13-00-010-040):
-
FOR 1000EM1
438AR.
-
FOR 1000EM2
448AR.
Subtask 30-21-00-865-053
C. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 1000EM1
49VU ENGINE/1/FADEC A/AND EIU 1 2KS1 A04 121VU ENGINE/IGN/ENG1/SYS B 3JH1 P41 121VU ENGINE/IGN/ENG1/SYS A BAT 2JH1 P39 121VU ENGINE/ENG1/FADEC B/AND EIU 1 4KS1 R41 122VU ANTI ICE/ENG/1 1DN1 X10
FOR 1000EM2
49VU ENGINE/2/FADEC A/AND EIU 2 2KS2 A05 121VU ENGINE/IGN/ENG2/SYS B 3JH2 P42 121VU ENGINE/IGN/ENG2/SYS A BAT 2JH2 P40 121VU ENGINE/ENG2/FADEC B 4KS2 Q40 122VU ANTI ICE/ENG/2 1DN2 W10
4. Procedure
_________
(Ref. Fig. 401/TASK 30-21-00-991-901)
Subtask 30-21-00-040-051
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.
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