A320飞机维护手册 AMM ENGINE 发动机 2(156)

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 CAUTION : DO NOT HIT THE CARBON MATING FACE OR SLIDE IT ON THE
_______ MAGNETIC MATING RING WHEN YOU INSTALL THE CARBON RING ASSEMBLY.
 (a) Very carefully, install the carbon ring assembly (140) against the polished face of the magnetic ring.
 CAUTION : DO NOT HIT THE MAGNETIC SEAL HOUSING DURING THE
_______ INSTALLATION TO PREVENT DAMAGE TO THE MAGNETIC SEAL COMPONENTS.
 1 Align the carbon ring assembly with the housing bore.
_
 (6) Engage the magnetic seal assembly on the gearshaft until the O-ring

 (150) of the housing is fully against the AGB pad.

 (7) Lubricate the threads of the 3 studs with graphite grease (Material No. CP2101).

 (8) Install washers (160) and nuts (170) and continuously install the magnetic seal assembly until the housing flange is fully against the AGB pad.

 (9) TORQUE the nuts (170) to between 55 and 60 lbf.in (0.62 and 0.67 m.daN).

 (10) Depending on the drive pad on which you have replaced the magnetic seal assembly, install one of these units:
 - IDG (Ref. TASK 24-21-51-400-040)

 - starter (Ref. TASK 80-11-10-400-002)

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 E. Close Access
 (1) Make sure that the work area is clean and clear of tool(s) and other items.

 (2) Close the fan cowl doors (Ref. TASK 71-13-00-410-040):
 FOR 1000EM1
 437AL, 438AR
 FOR 1000EM2
 447AL, 448AR

 

 Subtask 72-63-00-710-058
 F. Do a leak check of the replacement seal (Ref. TASK 71-00-00-790-006). If there are leaks (Ref. TASK 71-00-00-790-002).
 5. Close-up
________ Subtask 72-63-00-942-052
 A. Remove the warning notice(s).
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