- Inspect the 3-4 accumulator piston (428) for the following:
| • | A nicked groove in the piston sleeve |
- Inspect the piston pin (426) from the 3-4 accumulator for scoring
and free movement in the piston bore.
- Inspect the springs (423,424) from the 3-4 accumulator for distorted
or broken coils.
- Inspect the piston cylinder (421) from the 3-4 accumulator for
the following:
| • | A rough or scored seal surface |
- Inspect the ball valve spring (407), the bore plug (417), and
the ball valve (420A).
Important: Do not remove the blowoff valves unless the valves are damaged.
- Inspect the ball valve spring (418), the bore plug (417), and the ball
valve (420B).
- Inspect the ball valve spring (406), the bore plug (405), and
the ball valve (420A).
- Inspect the manual valve (404), the link (402), and the link spring
(403) for damage.
- Inspect the manual valve (404) for binding or looseness in the
case cover assembly (401).
- Inspect the case cover plugs, and inspect the orificed cup plug.
Correct the following conditions:
Important: Do not remove the bearing unless the bearing is damaged.
- Inspect the bearing assembly (431).
- Inspect the oil seal (409) for a missing garter spring or for
a cut lip seal.
- Inspect the case cover (401) for the following:
| • | Interconnected fluid passages |
| • | Cracks or rough machined surfaces |
- Inspect the input speed sensor (440) for the following conditions:
| • | Damaged or missing magnet |
| • | Bent or missing electrical terminals |
| • | Damaged speed sensor clip (441) |
