*
acetone (Ref. 70-30-00)
*
stoddard solvent (Ref. 70-30-00)
*
graphite grease (Ref. 70-30-00)
*
electrical conductive grease (Ref. 70-30-00)
*
ardrox 552 (Ref. 70-30-00)
*
turco ind 79 (Ref. 70-30-00)
*
mag-chem teksol (Ref. 70-30-00)
*
degreasol 99 R (Ref. 70-30-00)
*
mag-chem skysol (Ref. 70-30-00)
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C. Referenced Information
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REFERENCE DESIGNATION
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71-13-00-010-040 Opening of the Fan Cowl Doors 71-13-00-410-040 Closing of the Fan Cowl Doors 73-29-00-710-040 Operational Test of the FADEC on the ground (with
Engine Motoring)
78-30-00-081-041 Make the Thrust Reverser Serviceable after
Maintenance
78-30-00-481-041 Make the Thrust Reverser Unserviceable for
Maintenance
78-36-00-010-040 Opening of the Thrust Reverser Doors
78-36-00-410-040 Closing of the Thrust Reverser Doors
75-31-70-991-300 Fig. 401
R 75-31-70-991-310 Fig. 402
3. Job Set-up
__________
Subtask 75-31-70-860-051
A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a warning notice is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a warning notice is in position to tell persons not to energize the FADEC 1(2).
Subtask 75-31-70-010-055
B. Get Access
(1) Make sure that the fan cowl doors are open: (Ref. TASK 71-13-00-010-040) FOR 1000EM1 437AL, 438AR FOR 1000EM2 447AL, 448AR
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(2) Make sure that the thrust reverser doors are open: (Ref. TASK 78-36-00-010-040) FOR 1000EM1 451AL, 452AR FOR 1000EM2 461AL, 462AR
Subtask 75-31-70-040-053
C. Make sure that the thrust reverser is unserviceable (Ref. TASK 78-30-00-481-041).
4. Procedure
_________
R
Subtask 75-31-70-420-051
A. Installation of the variable bleed valve position sensor R R PRE SB CFM 75-006 R R (Ref. Fig. 401/TASK 75-31-70-991-300) R R POST SB CFM 75-006 R R (Ref. Fig. 402/TASK 75-31-70-991-310) R R END OF SB CFM 75-006 R
(1) Remove blanking plugs. R R PRE SB CFM 75-006 R
(2) Install VBV feedback sensor on stop mechanism and secure with bolts (50), threads lightly coated with graphite grease (Material No. CP2101).
(3) TORQUE bolts (50) to between 100 and 110 lbf.in (1.13 and 1.24
m.daN). R R POST SB CFM 75-006 R
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(4) Install VBV feedback sensor
WARNING : DO NOT USE THIS SOLVENT NEAR FLAMES OR HEAT, BECAUSE THIS
_______ SOLVENT IS FLAMMABLE. DO NOT BREATHE THE GASES REALISED FROM SOLVENT, DO NOT LET IT TOUCH YOUR SKIN OR CLOTHING AND MAKE SURE YOU HAVE A GOOD FLOW OF AIR, BECAUSE THIS SOLVENT IS DANGEROUS TO YOUR SKIN, EYES AND LUNGS.
(a) Clean the mating surfaces of bonding strap, bolt (55), the R surface of contact of VBV feedback sensor with bonding strap and R stop mechanism with acetone (Material No. CP1039) or stoddard R solvent (Material No. CP2011) or ardrox 552 (Material No. CP2559) R or turco ind 79 (Material No. CP2560) or mag-chem teksol R (Material No. CP2566) or degreasol 99 R (Material No. CP2584) or R mag-chem skysol (Material No. CP2656) .
(b) Lightly coat with electrical conductive grease (Material No. CP2338) the surfaces cleaned before.
(c) Install VBV feedback sensor on stop mechanism and secure with bolts (50), threads lightly coated with graphite grease (Material No. CP2101).
(d) Secure the VBV feedback sensor with the bonding strap (70) on stop mechanism with bolt (55), threads lightly coated with graphite grease (Material No. CP2101). 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：A320飞机维护手册 AMM AIR 空气(62)
