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Posts Tagged ‘power steering’

1963-1966 Power Steering

Thursday, February 11th, 2010

Chevrolet linkage-type power steering is now available optionally on Series C10, 20, 30 models. This was formerly a dealer installed item. The equipment consists of a hydraulic pump, power cylinder, control valve, relay rod and hoses.

The power cylinder is mounted to the frame and is connected to the control valve through the hoses. The control valve is mounted on the steering drag link between the knuckle arm and the steering arm and it serves to control the flow of pressurized power steering fluid to either side of the power cylinder piston. This in turn pushes or pulls the tie rod as required for easier steering.

Power steering helps to combat driver fatigue and aids maneuverability. It also dampens road shocks and vibrations at the steering wheel and provides extra comfort and ease of handling.

1963-1966 Chevrolet Power Steering 1

1955-1959 Power Steering

Thursday, February 11th, 2010

Chevrolet’s linkage-type power steering is available as an RPO (Regular Production Option) on all models except Forward Control Chassis. New ease and fingertip steering control are provided because up to 80 percent of the steering work is done by hydraulic power. Maneuvering a heavily loaded truck in a small space becomes much easier, and straightaway highway travel is less fatiguing. In addition, power steering effectively damps road shock and vibration at the steering wheel.

A hydraulic pump, driven by an extension of the generator shaft, provides hydraulic pressure of 750-900 pounds per square inch. (A 30-ampere or heavy-duty 40-ampere generator is included with the power steering option.) The control valve on the Pitman arm reacts to movement of the steering wheel and regulates the flow of fluid to the power cylinder.

This valve directs fluid under pressure to either the left or right side of the piston in the power cylinder, thus providing assistance for both left and right turns. Manual steering, in case the system is inoperative, is always available.

1955 1959 power steering