Piper ARCHER III - Landing Gear

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7.7 LANDING GEAR

The three landing gears use Cleveland 6.00 x 6 wheels, the main gear

wheels (Figure 7-1) being provided with brake drums and Cleveland single

disc hydraulic brake assemblies. All three wheels use 6.00 x 6, four-ply rating,

Type III tires with tubes.

A spring device is incorporated in the rudder pedal torque tube assembly

to provide rudder trim. A bungee in the nose gear steering mechanism

reduces steering effort and dampens bumps and shocks during taxiing. By

using the rudder pedals and brakes the nose gear is steerable through a 30

degree arc each side of center. Later aircraft have the bungee removed from

the nose gear steering mechanism and are steerable through a 20 degree arc

each side of center. A shimmy dampener is also included in the nose gear.

The three struts are of the air-oil type, with a normal extension of 3.25

inches for the nose gear and 4.50 inches for the main gear.

The standard brake system consists of dual toe brakes attached to the

rudder pedals and a hand lever and master cylinder located below and

behind the left center of the instrument sub-panel. The toe brakes and the

hand brake have their own brake cylinders, but they share a common

reservoir. The brake fluid reservoir is installed on the top left front face of the

fire wall. The parking brake is incorporated in the master cylinder and is

actuated by pulling back on the brake lever, depressing the knob attached to

the left side of the handle, and releasing the brake lever. To release the

parking brake, pull back on the brake lever to disengage the catch mecha-

nism and allow the handle to swing forward (refer to Figure 7-5).