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1. Make sure Nose strut is serviced to specs. A models=35psi. 5606 @ correct level.
2. Check up limit switches( page 205 Serv. Manual ebook)- These can split/expand along case joint when in compression. (They look perfect and check fine when static but when compressed will split enough to become a fault.)
Sometimes the Nose strut will not make the up limit switch when not serviced properly. If you fly the plane off at T/O with minimal pitch intially the nose strut sometimes will not extend to the extension limit with non spec charge. The Nose strut fights the aerodynamic load when placed up. If it isn't correct this can cause a few problems.
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