The recirculation system uses a fan to move air from the passenger compartment to the main distribution manifold. This system reduces the amount of air necessary for the packs to supply.

Direction as to who and how to contact technical personnel at the manufacturers Plant, for assistance in repairing or replacing items damaged and not covered by a standard repair.

The airplane general arrangement shall be illustrated with a scale line drawing consisting of plan, side and front views presented in a vertical sequence upon a single page.

If the airplane experiences repeated failures of a pump at one location, there may be debris in the case drain line, case drain hose or case drain hose quick-disconnect that cannot be flushed by accomplishing this procedure.

If there is no hydraulic power to extend the nose gear, the weight of the gear and the airstream pushes the nose gear into the extended position.

Move the seat forward or aft approximately 0.50 in. (12.70 mm) to align the flanges on the seat track fittings with the holes in the seat tracks.

Overhaul of propellers must be accomplished in a qualified shop in accordance with data supplied by the propeller manufacturer.

The generators supply a three-phase voltage. The frequency of this voltage increases when the generator rotor speed increases.

Handbooks shall be readily revisable. They may be in loose-leaf form, with durable, multi-ring cover, or permanently bound.

In the event a page must be added after the initial printing, use the number of the preceding page with a letter suffix added for the added page(s) (e.g., Page 1-6A, 1-6B,etc.).

The inspection/check portion shall provide information and procedure necessary to gain access to and inspection or check of a system, a unit, or an area.