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49VU ENGINE/1/FIRE DET/LOOP A 7WD1 A06 49VU ENGINE/1/FADEC A/AND EIU 1 2KS1 A04 121VU ENGINE/IGN/ENG1/SYS B 3JH1 P41 121VU ENGINE/IGN/ENG1/SYS A BAT 2JH1 P39 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/B 2WE1 Q44 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL1/SQUIB/A 1WE1 Q43 121VU ENGINE/ENG1/FIRE DET/LOOP B 8WD1 Q38 121VU ENGINE/ENG1/FADEC B/AND EIU 1 4KS1 R41 122VU ELEC/GCU/1 2XU1 T26
FOR 1000EM2 49VU ENGINE/2/FIRE DET/LOOP B 8WD2 A07 49VU ENGINE/2/FADEC A/AND EIU 2 2KS2 A05
121VU ENGINE/IGN/ENG2/SYS B 3JH2 P42 121VU ENGINE/IGN/ENG2/SYS A BAT 2JH2 P40 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/B 2WE2 Q42 121VU ENGINE/ENG1 AND 2 FIRE EXTIG/BTL2/SQUIB/A 1WE2 Q41 121VU ENGINE/ENG2/FADEC B 4KS2 Q40 121VU ENGINE/ENG2/FIRE DET/LOOP A 7WD2 Q39 122VU ELEC/GCU/2 2XU2 T27
Subtask 71-51-43-010-061
C. Get Access
(1) Open the fan cowls: (Ref. TASK 71-13-00-010-040)
FOR 1000EM1
437AL, 438AR
FOR 1000EM2
447AL, 448AR
(2) Put the access platform in position.
4. Procedure
_________
(Ref. Fig. 410/TASK 71-51-43-991-315)
Subtask 71-51-43-020-058
A. Removal of the Vibration Sensor Harness
NOTE : To open the flip-lock clamps and line blocks, turn the captive
____ screws or captive bolts 1/4 turn counterclockwise to disengage the cam nuts.
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R R Vibration Sensor Harness Figure 410/TASK 71-51-43-991-315- 12 (SHEET 1)
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R R Vibration Sensor Harness Figure 410/TASK 71-51-43-991-315- 22 (SHEET 2)
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R NOTE : Loosely attach the clamp(s), anti-rotation lug(s) if applicable,____
R and bolt(s) to the brackets from which they were removed to make
R it easier for installation.
(1) Disconnect the electrical connector 448VC-A from the pylon junction
box.
R
R BEFORE SPIB NO. CFM02255MW1
R
(2) Open the flip-lock clamp (25) and remove the electrical harness (5).
(3) Open the 3 line blocks (10) attached to the brackets at station 167.
(4) Open the line block (15) attached to the bracket at station 174.
(5) Open the 3 line blocks (20) attached to the brackets at station 176,
185 and 191.
(6) If necessary, remove the rubber supports from the line blocks. Remove
the harness (5) from the rubber supports.
R
R AFTER SPIB NO. CFM02255MW1
R (Ref. Fig. 410/TASK 71-51-43-991-315)
R
R (7) Remove the clamps and bolts (12) that attach the harness (5) to the
R brackets at station 167.
R (8) Remove the clamps, bolt and anti-rotation lug (13) that attach the
R harness (5) to the brackets at station 167.
R (9) Remove the clamps and bolt (17) that attach the harness (5) to the
R bracket at station 174.
R (10) Remove the clamps, bolts and anti-rotation lugs (22) that attach the
R harness (5) to the brackets at station 176 and 185.
R (11) Remove the clamps and bolts (23) that attach the harness (5) to the
R bracket at station 191.
R
R END SPIB NO. CFM02255MW1
R
R (12) Disconnect the electrical connector 4002EV-A from the No. 1 bearing
vibration accelerometer.
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R (13) Remove the electrical harness (5) from the engine.
R (14) Put protective covers on the electrical connectors.
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TASK 71-51-43-400-048
Installation of the Vibration Sensor Harness (4201KS)
1. Reason for the Job
__________________
Self Explanatory
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