TM55-2840-251-23
5-3 ACCESSORY GEARBOX (AVIM) (Continued)
5-3-2 REPAIR (Cont)
6. Replace defective carbon seal as follows: (Cont)
j. Immerse carbon seal (12) in Lubricating Oil
(E.2) or (E.71) and work carbon element in and out to
insure freedom of movement.
k. Immerse seal carrier (10) for two minutes in
Lubricating Oil (E.2) or (E.71) heated to 175°
to 195°F
(79°
to 91°C).
Remove seal carrier (10) from lubricating
oil, press carbon seal (12) into seal carrier (10), using
Drift (T.7).
l. Install preformed packing (11) on seal carrier
(10).
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