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(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before 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).
Subtask 75-31-70-010-053
B. Get Access
(1) Open the fan cowl doors: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
Subtask 75-31-70-040-052
C. Make the thrust reverser unserviceable (Ref. TASK 78-30-00-481-041). Subtask 75-31-70-010-054
D. Open the thrust reverser doors: (Ref. TASK 78-36-00-010-040)
FOR 1000EM1
451AL, 452AR
FOR 1000EM2
461AL, 462AR
4. Procedure
_________
Subtask 75-31-70-820-051
A. Make sure the two reference marks are in line. If not, set the VBV system R to closed position (Ref. TASK 75-31-20-820-001).
Subtask 75-31-70-020-051
B. Disconnect the 2 electrical cables
PRE SB CFM 75-006
(Ref. Fig. 401/TASK 75-31-70-991-300)
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E E Aug 01/00 E E ECES E F 『 E C F M E E E E 56-5B E F 『 E C F M E E E E 56-5B E E E POST SB CFM 75-006
VBV Feedback Sensor - PRE SB CFM 75-006 Figure 401/TASK 75-31-70-991-300
F EEFF : E ER ECES ALL 『E 75-31-70EE E Page 403 Feb 01/99
(Ref. Fig. 402/TASK 75-31-70-991-310)
END OF SB CFM 75-006
(1) Put blanking caps on the disconnected electrical connectors.
(2) Remove the nut (30) and the pin (60) which secures the feedback rod clevis (20) to VBV sensor arm.
NOTE : Do not loosen nut (10) securing clevis (20) to feedback rod.
____
PRE SB CFM 75-006
(3) Remove the 3 bolts (50) which secure the VBV sensor (40) to stop mechanism and remove the sensor.
POST SB CFM 75-006
(4) Remove the 3 bolts (50) and (55) which secure the VBV sensor (40) to stop mechanism and remove the sensor.
END OF SB CFM 75-006
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R R VBV Feedback Sensor - POST SB CFM 75-006 Figure 402/TASK 75-31-70-991-310
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TASK 75-31-70-400-002
Installation of the Variable Bleed Valve position Sensor
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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REFERENCE QTY DESIGNATION
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No specific warning notice
R No specific Torque Wrench : range 5.00 to 35.00 lbf.in
R (0.05 to 0.40 m.daN) No specific Torque Wrench : range 36.00 to 220.00 lbf.in
(0.40 to 2.60 m.daN)
B. Consumable Materials
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REFERENCE DESIGNATION
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Material No. CP1039
R Material No. CP2011
R
Material No. CP2101
Material No. CP2338
R Material No. CP2559
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