Subtask 26-12-15-941-056
B. Safety Precautions
(1)
On the center pedestal, on the ENG panel 115VU:
(a) Put a warning notice in position 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 ENG section of the maintenance panel 50VU:
(a)
Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b)
Put a warning notice in position to tell persons not to energize the FADEC 1(2).
Subtask 26-12-15-010-065
C. Get Access
(1) Put an access platform in position.
(2) Open the fan cowl doors. (Ref. TASK 71-13-00-010-040) FOR 1000EM1 R 437AL, 438AR
FOR 1000EM2 R 447AL, 448AR.
Subtask 26-12-15-865-068
D. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------49VU ENGINE/2/FIRE DET/LOOP B 8WD2 A07
49VU ENGINE/1/FIRE DET/LOOP A 7WD1 A06 121VU ENGINE/ENG2/FIRE DET/LOOP A 7WD2 Q39 121VU ENGINE/ENG1/FIRE DET/LOOP B 8WD1 Q38
R 4. Procedure_________
R (Ref. Fig. 402/TASK 26-12-15-991-301, 403/TASK 26-12-15-991-302)
R Subtask 26-12-15-020-059
R A. Removal of the Fan Fire Detector Sensors from the Rail Assembly
R (1) Remove the fan fire detector sensors (45) from the rail assembly
R (20).
R (a) Disconnect the electrical connectors 4000WD1A and 4000WD2A from
R the fire detectors (45).
R (b) Put the protective covers on the electrical connectors 4000WD1A
R and 4000WD2A and the fire detectors (45).
R (c) Remove the bolts (50) and clamp covers (55) that attach the fire
R detectors (45) to the rail assembly (20).
R (d) Remove the fire detector sensor tubes (45) from the inserts (60).
R (e) Remove the nuts (70) that attach the sensors (45) to the rail
R (20).
R (f) Remove the nuts (5), bolts (15) and clamps (40) that attach the
R fire detector sensors (45) to the brackets on the accessory
R gearbox.
R (g) Remove the fire detector sensors.
R CAUTION : DO NOT DISASSEMBLE THE FIRE DETECTOR SENSORS. THE_______
R DETECTOR SENSOR IS A HERMETICALLY SEALED UNIT AND IS
R NOT REPAIRABLE. IF YOU TRY TO DISASSEMBLE THE DETECTOR
R SENSORS, YOU WILL CAUSE SERIOUS DAMAGE TO THE UNIT.
R 1 Remove the fire detector sensors (45) from the rail assembly_
R (20).
R R Fan Fire Detectors (4000WD1,4000WD2) Figure 402/TASK 26-12-15-991-301
1EFF : 1 1 1CES ALL 1 111 26-12-15 Page 413 Aug 01/03
R R Fan Fire Detectors (4000WD1,4000WD2) Figure 403/TASK 26-12-15-991-302
1EFF : 1 1 1CES ALL 1 111 26-12-15 Page 414 Aug 01/03
TASK 26-12-15-400-026
Installation of the Fan Fire Detectors (4000WD1,4000WD2) onto the Rail Assembly
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