TM 1-1520-238-23
6-252
Change 1
6.54.
MAIN TRANSMISSION COMPRESSOR DRIVE ADAPTER AND SEAL
REMOVAL/INSTALLATION – continued
6.54.6. Installation
NOTE
The -3 seal is two-way interchange-
able with the basic seal; the -3 is the
preferred part.
The -3 seal with brown elastomer and
-5 seal with black elastomer (used on
the APU input shaft) are rotational de-
pendent seals which are not inter-
changeable.
a. Install seal (7) in adapter (1).
(1) Place adapter (1) on flat surface with com-
pressor side (8) up.
(2) Ensure new seal (7) has brown elastomer
and not black elastomer (-5 seal).
(3) Apply sealant to outer edge of seal (7). Use
sealing compound (item 177, App F).
(4) Insert guide in adapter (1). Use seal removal/
installation tool (Figure D-461, App D).
(5) Install new seal (7) on guide with lip of seal
facing down and position firmly against
adapter (1).
(6) Install pusher on guide and tap to install new
seal (7). Use seal removal/installation tool
(Figure D-461, App D).
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