FDM P 605, Руководство пользователя, Страница: 48 / 181

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5.3 Check points at Intermediate Service 5 Service instructions
5.3.10 Disc stack pressure
The bowl hood exerts a pressure on the disc
stack clamping it in place.
NOTE
Insufficient pressure in the disc stack may affect
the bowl balance, which in turn will cause abnormal
vibration of the separator and shorten the life of ball
bearings.
1. Place the bowl hood* on the top of the disc stack
and tighten it by hand. The assembly mark on
the bowl hood should now be positioned at the
angle a (see illustration), 30° - 60° ahead of the
corresponding mark on the bowl body.
* Also see
5.3.8 Threads on bowl hood and bowl
body on page 46 .
2. If the bowl hood can be tightened by hand
without resistance until the marks are in line
with each other, an extra disc must be added to
the top of the disc stack beneath the top disc
G0071911
1. Bowl hood
2. Bowl body
3. Disc stack
- below wing insert: 32
- above wing insert: at least 31
If one or more discs have been added re-check
the disc stack pressure by repeating the
procedure above.
NOTE
The top disc can stick inside the bowl hood and fall
when the hood is lifted.
G0357651
a Angle 30° - 60° between assembly marks
before final tightening
48
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