R WARNING : OPEN CIRCUIT BREAKERS 1JH, 2JH1, 2JH2, 3JH1 AND 3JH2
_______
(ENGINE 1 AND 2 IGNITION SYSTEMS).
THEN OPEN CIRCUIT BREAKERS 2KS1 AND 2KS2 (FADEC A
AND EIU 1 AND 2) AND 4KS1 (FADEC B AND EIU 1).
IF YOU DO NOT OBEY THIS SEQUENCE, THE ENGINE
AUTOMATIC IGNITION- SYSTEM WILL OPERATE. THIS CAN
CAUSE INJURY TO MAINTENANCE PERSONNEL.
a_ Open the circuit breakers 1JH, 2JH1, 2JH2, 3JH1, 3JH2, 2KS1
and 2KS2.
b_ Move the ENG1(2) throttle control lever. Make sure that the
small white circle on N1 indication follows the throttle
position.
c_ Close the circuit breakers 2KS1 and 2KS2 but keep the
circuit breakers 1JH, 2JH1, 2JH2, 3JH1 and 3JH2 open.
R WARNING : OPEN CIRCUIT BREAKERS 1JH, 2JH1, 2JH2, 3JH1 AND_______
3JH2 (ENGINE 1 AND 2 IGNITION SYSTEMS).
THEN OPEN CIRCUIT BREAKERS 2KS1 AND 2KS2 (FADEC A
AND EIU 1 AND 2) AND 4KS1 (FADEC B AND EIU 1).
IF YOU DO NOT OBEY THIS SEQUENCE, THE ENGINE
AUTOMATIC IGNITION- SYSTEM WILL OPERATE. THIS CAN
CAUSE INJURY TO MAINTENANCE PERSONNEL.
d_ Open the circuit breakers 4KS1 and 4KS2.
e_ Move the ENG1(2) throttle control lever. Make sure that the
small white circle on N1 indication follows the throttle
position.
f_ Close the circuit breakers 4KS1, 4KS2, 1JH, 2JH1, 2JH2,
3JH1 and 3JH2.
g_ Move the ENG1(2) throttle control lever. Make sure that the
small white circle on N1 indication follows the throttle
position.
h_ Do the BITE test of the EFCS (Ref. TASK 27-96-00-740-001)
and make sure that there are no messages related to the
throttle control unit 8KS1(2).
i_ Do the EIS stop procedure (Ref. TASK 31-60-00-860-002).
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(b) If more than one system-2 proximity-sensor is electrically unserviceable:
R R R R 1_ Make sure that these systems are serviceable: - the LGCIU 1 (Ref. TASK 32-69-00-740-001) or (Ref. TASK 32-31-00-720-002) - the elevator and aileron computer (ELAC) (Ref. TASK 27-93-00-710-001) - the spoiler elevator computer (SEC) (Ref. TASK 27-94-00-710-001), (Ref. TASK 27-94-00-710-002) and (Ref. TASK 27-94-00-710-003) - the slat flap control computer (SFCC) (Ref. TASK 27-51-00-740-002) and (Ref. TASK 27-81-00-740-002) - the radio altimeter (RA) (Ref. TASK 34-42-00-740-002) - the flight augmentation computer (FAC) (Ref. TASK 22-60-00-710-001) - the air data/inertial reference system (ADIRS) (Ref. TASK 34-13-00-740-002) and (Ref. TASK 34-13-00-740-003) - the air conditioning packs (Ref. TASK 21-26-00-710-001) and (Ref. TASK 21-27-00-710-001).
R R 2_ Make sure that the use of flexible take-off thrust isprevented, as follows:
a_ Turn the BRT knob of the MCDU, to turn the MCDU on.
b_ Press the PERF pushbutton on the MCDU keyboard to get the TAKE OFF data.
c_ Make sure that no FLEX TO TEMP is displayed.
R R 3_ Make sure that the operation of avionics equipment-ventilationwith electrical ground-power, is time limited, as follows: - outside air temperature 43 deg. C or less, no time limitation - outside air temperature 52 deg. C, maximum of 3 hours - outside air temperature 61 deg. C, maximum of half an hour.
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