Industrial compressed-air solutions across South Africa & SADC
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Major screw element work

Screw Compressor Air-End Rebuild & Exchange Assessment

Confirm air-end condition before removal and protect the oil circuit during rebuild.

Service approach

Do not rebuild an air-end from noise alone

Confirm air-end condition before removal and protect the oil circuit during rebuild. The assessment looks beyond the reported symptom and checks the conditions that affect bearing condition and repair-versus-exchange decisions in rotary screw air-ends.

Scope

What this service can cover

The quotation identifies inclusions, exclusions, parts, travel and items dependent on inspection.

01

Air-end work

Pre-removal diagnosis, controlled strip, bearings, seals, measurements, rebuild or exchange assessment. For rotary screw air-ends, the final scope is matched to bearing condition and repair-versus-exchange decisions.

02

Fault diagnosis

Alarm history, pressure, temperature, current and control behaviour checked before parts are replaced. For rotary screw air-ends, the final scope is matched to bearing condition and repair-versus-exchange decisions.

03

Oil and separation

Correct lubricant, oil filter, separator, scavenge return and oil carry-over condition reviewed. For rotary screw air-ends, the final scope is matched to bearing condition and repair-versus-exchange decisions.

04

Drive and motor

Belts, coupling, alignment, bearings, contactors, overloads and motor current checked as applicable. For rotary screw air-ends, the final scope is matched to bearing condition and repair-versus-exchange decisions.

05

Major overhaul

Strip, inspection, mechanical refurbishment, recommissioning and repair-versus-replacement assessment. For rotary screw air-ends, the final scope is matched to bearing condition and repair-versus-exchange decisions.

06

Service reporting

Machine details, readings, parts, defects, actions and next service trigger recorded. For rotary screw air-ends, the final scope is matched to bearing condition and repair-versus-exchange decisions.

When to act

Conditions that justify an inspection or service call

  • The current condition threatens bearing condition and repair-versus-exchange decisions
  • Service or inspection history is incomplete for the rotary screw air-ends
  • The same alarm, leak or pressure problem is returning
  • Parts are only ordered after a failure
  • The site needs a planned shutdown and clear work scope
  • Management needs evidence to choose repair, overhaul or replacement
Rotary screw compressor air-end cutaway

Repair decisions follow model identification, inspection and operating evidence.

Work process

How the work is handled

  1. 01

    Identify

    Capture model, serial, hours, fault or planned work and exact location.

  2. 02

    Prepare

    Review parts, tools, access, isolation and production requirements.

  3. 03

    Inspect

    Confirm the reported condition and related system factors.

  4. 04

    Complete

    Perform approved service, repair or project work and test where possible.

  5. 05

    Report

    Record work, readings, outstanding risks and the next technical action.

Reporting

What the service record should contain

Clear records improve future diagnosis and shutdown planning.

Coverage and response note

Service availability, travel, parts and response arrangements depend on the exact site and confirmed scope. Location pages describe coverage and do not represent separate staffed branches.

Related capabilities

Continue building the correct support plan

Frequently asked questions

Questions about screw compressor air-end rebuild & exchange assessment

Request a service scope built around the actual machine

Send the model, serial number, hours, alarm or service requirement, site location and photographs.

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