Hydrotech Classic Series Stenner Basic Service Manual Manual de usuario descargar pdf (Pagina 31)

Feed Rate Control (FRC) How it works

NOTE Additional information

Pin retracts when lifted.

The feed rate control adjusts the output by utilizing a

cam/lifter system to control the rotation of the roller

assembly according to the setting on the dial ring.

Inside the FRC is a brass spider and index pin assembly that

consists of a pin (with carbide tip) and a spring inside the

holder attached to a lifter.

When the pump is on, the index spider assembly rotates.

When the lifter drops into the FRC channel, the pin engages

an index plate hole. The roller assembly rotates, creating the

pumping action.

When the lifter rides on the cam, the pin is lifted inside the

holder. The roller assembly does not rotate, resulting in no

pumping action.

Section V Maintenance Basics –

Feed Rate Control

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Hydrotech Classic Series Stenner Basic Service Manual Manual de usuario Pagina 31