Wakefield lubricators

Two completed lubricators awaiting delivery to the customer.

Lubricator eccentric shaft

Above is an eccentric shaft complete with ratchet wheel. Both components are made in a high tensile steel and nitride hardened before final grinding.

Wakefield lubricator internals

The photo to the left shows the interior. The two piston yokes can be seen with the eccentric shaft running through the middle.

Lubricator yoke

To the right is a pump assembly comprising of the yoke, six pump pistons with their sleeve valves and volume control adjusters.
Because castings were no longer available for the yoke it was built up in mild steel and then machined.

Yoke components

The components of a yoke prior to assembly

Pump assembly

Pump components

Finished units

Completed lubricator units

Pump bodies

The pump locations on the underside of the resevoir casting

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