Foil Wrap Installation at Pneumatic System Joints Figure 403/TASK 30-21-51-991-302
1EFF : 1 1R 1CES ALL 1 11 1 30-21-51 Page 411 Aug 01/05
Subtask 30-21-51-865-054
R F. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU ANTI ICE/ENG/2 1DN2 W10 122VU ANTI ICE/ENG/1 1DN1 X10
R Subtask 30-21-51-410-064
R G. Close Access
R R R R R (1) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR.
R Subtask 30-21-51-860-059
R H. Do the EIS start procedure (SD DU only) (Ref. TASK 31-60-00-860-001).
Subtask 30-21-51-869-051
R J. On the ANTI ICE overhead control & indicating panel 25VU, make sure that the ENG1 (2) pushbutton switch is released.
Subtask 30-21-51-710-050
R K. Test
R R R (1) Start the related engine with the automatic or manual start procedure (Ref. TASK 71-00-00-710-003) or (Ref. TASK 71-00-00-710-004) and keep it at idle.
R (2) Do this test:
-------------------------------------------------------------------------------ACTION RESULT -------------------------------------------------------------------------------
1. On the ANTI ICE overhead control On the ANTI ICE overhead control &
& indicating panel 25VU: indicating panel 25VU:
R - push the ENG1 (2) pushbutton - the ON legend of the ENG1 (2)
R switch pushbutton switch comes on
R - the FAULT legend of the ENG1 (2)
R pushbutton switch comes on.
R - after 5 minutes, release the - the ON and FAULT legends of the ENG1
R ENG1 (2) pushbutton switch (2) pushbutton switch go off.
R (3) Stop the engine (Ref. TASK 71-00-00-710-028).
R Subtask 30-21-51-865-072
R L. Open, safety and tag this(these) circuit breaker(s):
R -------------------------------------------------------------------------------
R PANEL DESIGNATION IDENT. LOCATION
R -------------------------------------------------------------------------------
R 122VU ANTI ICE/ENG/2 1DN2 W10
R 122VU ANTI ICE/ENG/1 1DN1 X10
R Subtask 30-21-51-010-066
R M. Open the fan cowl doors (Ref. TASK 71-13-00-010-040):
R FOR 1000EM1
R 437AL, 438AR
R FOR 1000EM2
R 447AL, 448AR
R Subtask 30-21-51-210-060
R N. Visual Inspection
R (1) Make sure that there are no leaks at the anti-ice valve of the
R related engine air intake.
R (2) Remove the materials used to do the leak test.
5. Close-up
________
R Subtask 30-21-51-860-060
R A. Do the EIS stop procedure (Ref. TASK 31-60-00-860-002)
R Subtask 30-21-51-865-073
R R B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
R R R R R -------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------122VU ANTI ICE/ENG/2 1DN2 W10 122VU ANTI ICE/ENG/1 1DN1 X10
Subtask 30-21-51-410-051
R C. Close Access
(1) Make sure that the work area is clean and clear of tool(s) and other items.
(2) Close the fan cowl doors (Ref. TASK 71-13-00-410-040): FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
(3) Remove the warning notice(s).
R Subtask 30-21-51-862-057
R D. De-energize Electrical Circuits
R R (1) De-energize the aircraft electrical circuits (Ref. TASK 24-41-00-862-002).
R R (2) De-energize the ground service network (Ref. TASK 24-42-00-862-001).
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