Page 25 - Aeronca 7A Interactive Service Manual

Tension in return action is provided by the spring attached to the lever and axle flange.

WHEELS
Sandcast magnesium split type held together with steel bolts.

Hardened steel drive keys accommodate slots in the rotating brake disc.

All wheels are equipped with tapered roller bearings which are seated in hardened steel bearing cups
inboard and outboard of the wheel. Bearings must be washed and repacked every one hundred hours.

Proper balance is assured by matching the balance marks “B” stamped on the two bolt bosses which
must be placed together.

TAIL WHEEL

SCOTT MODEL
3000-A1, steerable tail wheel assembly attached to leaf spring assembly and rudder arms.

WHEEL
Cast in two sections, locked together with three bolts and elastic stop nuts. Ball bearings facilitate easy
rolling.

FORK
Manganese Silicon steel high strength weight ratio, attached and bushed with bronze one piece bushings
at the bracket. Bracket and axle are equipped with Zerk fittings for lubrication.

RUDDER ATTACHMENT SPRINGS

Provided to lessen strain on assembly in turning, absorbing shock from rudder arm to tail wheel fork.

RUDDER ARM
Attaches to the rudder post by means of two AN bolts and elastic stop nuts through the arm and post.

TAIL WHEEL LEAF SPRINGS
Attached to the tail post bottom lug with two AN bolts and shimmed with leather pads. The front of the
leaf spring assembly attaches to the first cross member tube forward of the tail post with one AN bolt.

TIRE TAIL WHEEL
General solid rubber 6 x 2 steel wire reinforced to eliminate rolling off during rough usage.

TIRES – MAIN GEAR

600 x 6, 2 ply, low pressure tire inflated to 13–15 pounds per square inch pressure depending on load
in airplane. Note: Goodyear inner tubes may not be used on Van Sickle installation.

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