By 5th Oct 2020News

We have been facing the most challenging economic conditions in living memory. South African businesses using diesel engines must refocus on preventative maintenance and quality remanufacturing.

They need to ensure that their engines deliver optimal uptime and business continuity at a time when margins are continually squeezed, says Andrew Yorke, operations director at Germiston-based Metric Automotive Engineering.

“Catastrophic failure of a diesel engine in these tough times can be fatal for the profitability of a project or even a company,” says Yorke. “More than ever, reliable and economical engine operation is now key to survival.”

Cutting corners

He warns that cutting corners on maintenance programs – which he has witnessed among many fleet operators – would inevitably lead to failures and costly unplanned downtime. An essential aspect of preventative maintenance is regular oil sampling, which helps to identify coolant contamination and other factors that lead to high wear on engines and components.

“Companies need to empower their technical departments to ensure that best practices in fleet maintenance are applied,” he says. “This is not a function that can be devolved to a purchasing department.”

Early warning measures

With the early warning that preventative maintenance provides, diesel engine users can plan for timeous and cost-effective repair or remanufacturing of large diesel engine components at skilled and well-equipped facilities like Metric Automotive Engineering. This world-class service is particularly relevant with the Rand exchange rate contributing further to the high cost of importing new engines and components.

With 50 years of experience, this South African company refurbishes large diesel engine components and offers cylinder head remanufacture, cylinder block line boring, milling, honing, and boring. It also grinds camshaft and crankshafts, assembles engines, and conducts dynamometer testing.

“Staying abreast of the latest technology means we are one of Africa’s leading crankshaft grinding facilities, with the capability to grind shafts up to 4,7 meters long and up to two tonnes in weight,” says Yorke.

It deals with crankshafts from industrial compressors through to V16 locomotive diesel engines. The well-equipped workshop houses two state-of-the-art, three-axis CNC machines – the only ones of their type in Africa – for line-boring, surfacing, and blue-printing of engine block up to six meters in length.

He highlights that remanufacturing large diesel engine components in South Africa currently makes even better sense because many replacement parts are no longer available ex-stock in the country. These have to be shipped in at extra cost, or even flown if the situation is urgent.

Diagnosis and fault analysis on fuel injection systems is another benefit Metric Automotive Engineering offers its customers – through its sister company Reef Fuel Injection Services, which includes the remanufacturing of the latest generation of fuel systems, saving companies substantial costs on new components.

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