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R  Self Explanatory 
R  2. Job Set-up Information______________________ 
R  A. Fixtures, Tools, Test and Support Equipment 
R  -------------------------------------------------------------------------------
R  REFERENCE  QTY DESIGNATION 
R  -------------------------------------------------------------------------------
R  No specific  circuit breaker(s) safety clip(s) 
R  No specific  protective covers 
R  No specific  warning notice 
R  No specific  access platform 1 m (3 ft. 3 in.) 
R  B. Referenced Information 
R  -------------------------------------------------------------------------------
R  REFERENCE  DESIGNATION 
R  -------------------------------------------------------------------------------
R  24-42-00-861-001  Energize the Ground Service Network from the External 
R  Power 
R  71-13-00-010-040  Opening of the Fan Cowl Doors 
R  26-12-15-991-301  Fig. 402 
R  26-12-15-991-302  Fig. 403 
R  3. Job Set-up__________ 
R  Subtask 26-12-15-861-057 
R  A. Energize the ground service network (Ref. TASK 24-42-00-861-001).

 

 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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