Maintenance and reliability
4 articles
How to judge a repair, a test or a service plan before you order it.
- Hydroblasting vs high-pressure washing: pressures, uses and what to ask a South African contractorOne local supplier's hydroblasting units run from 1,000 to 2,800 bar, one maker's washers 150 to 250. Which job needs which, SA rules, and what a quote shows.8 min read · Last checked 7 November 2026
- Laser shaft alignment vs dial gauge: when it is worth paying for and what the job must deliverHow laser shaft alignment differs from a dial gauge, when it is worth paying for, the tolerance to set by rpm and what the report must show.10 min read · Last checked 7 November 2026
- Electric motor repair: when to rewind, when to replace, and what the workshop should testWhen a rewind beats a new IE3 motor in South Africa, the tests a repair workshop should report, and the extra rules for motors in hazardous locations.10 min read · Last checked 7 November 2026
- Vibration analysis: route survey, online monitoring or a one-off diagnosis, and how to read the reportRoute survey, online monitoring or a one-off diagnosis: which suits your plant, what a vibration report must show, and how to check the analyst's ISO category.9 min read · Last checked 7 November 2026