Servicing & Overhauls

4 Ways Ltd offers both off-site overhauls and repairs as well as on-site servicing and pump assessments.

Sample Report Sheet

View sample report sheet.

During overhauls or breakdown situations 4 Ways Ltd will try as hard as possible to ensure constant production by using one of its many hire pumps.

Vacuum Gauge And Display Calibration Service

Edwards Pumping Equipment Can Be Replaced On A Service / Exchange System

The formats listed below may be broadened to suit customer requirements with additions such as replacement part fitment (only with customers' prior approval), oil changes, filter box cleaning, etc. The basic assessment checks can be seen below:

Oil Sealed Rotary Vane Pumps

Vacuum performance check.
Exhaust backpressure check.
Filter examination, (pre-filter element, inlet, ballast & exhaust as applicable).
Oil level & condition check.
Check for oil leaks.
Noise level.
Motor amp readings.
General pump condition.
Full written report of pump performance & condition, with any further recommendations listed.
Depending on operating hours these types of vacuum pumps must be serviced or assessed at least annually. In cases of high workload or excessive conditions the servicing period would be reduced. 4 Ways Ltd. can advise on the appropriate requirements for your pumps. Following this assessment any further work required, either on site or at our workshop facility, would be discussed fully with our Customer prior to proceeding.

Carbon Vane Pumps

Vacuum performance check.
Filter examination, (pre-filter element, inlet, ballast, exhaust and any meshes as applicable).
Vane condition check.
Stator bore check.
Motor amp readings.
Noise level.
General pump condition.
Full written report of pump performance & condition, with any further recommendations listed.
Vanes that are worn below specified tolerances can break during operation, causing severe damage. 4 Ways Ltd., have the experience and technical knowledge to assess carbon vane pumps thoroughly and effectively and can advise on the service requirements for your pump. Depending on operating hours these pumps must be serviced at least on an annual basis. Where new machinery or installations are concerned, the wear factor of the carbon vanes should be monitored carefully within the first six months of use. This will enable a history of typical vane wear to be recorded over a given period. The importance of this cannot be emphasized enough, as the pump performance is directly linked to the vane condition. Following this assessment any further work required, either on site or at our workshop facility, would be discussed fully with our Customer prior to proceeding.

Liquid Ring Pumps

Vacuum performance check.
Filter examination if applicable.
Motor amp readings.
Check for leaks.
Check system set up, e.g. seal water supply, exhaust configuration, start up procedures, etc.
Noise level.
General pump condition.
Full written report of pump performance & condition, with any further recommendations listed.
Inefficient seal washer supply and incorrect exhaust set-ups are among the most common causes of liquid ring pump problems. 4 Ways can advise if changes or improvements need to be made in these areas.

Following this assessment any further work required, either on site or at our workshop facility, would be discussed fully with our Customer prior to proceeding.

Blowers, Roots or Side Channel Pump Types

Vacuum or pressure performance check as applicable.
Motor amp readings.
Filter examination, (pre-filter unit, inlet, exhaust and any meshes as applicable).
Oil level & condition check where applicable.
Relief valve operation where applicable.
Noise level.
Full written report of pump performance & condition, with any further recommendations listed.

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