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What this video covers

A 30-year-old Perkins M30 engine experiencing intermittent starting failures often suffers from voltage drop or damaged solenoid contacts.0:14 When a starter button requires multiple presses to engage the engine, the issue frequently stems from undersized wiring in the starter circuit or poor connections that cause voltage to drop under load.0:46 This condition is exacerbated by ageing or partially discharged batteries.1:17 Alternatively, the internal solenoid contacts may be pitted from electrical arcing.1:29 If a starter rebuild ignores the solenoid, the internal contact plate fails to make a consistent connection until it vibrates into a clean position.1:29 Nigel Calder recommends inspecting and cleaning these internal solenoid points before pursuing more expensive repairs, as this simple maintenance resolves the majority of starter-related issues.2:15 Jan Attenstedt notes that checking connections at the solenoid is a primary troubleshooting step for similar cranking failures.2:44 Cleaning or replacing solenoid contacts often restores reliable engine starting without requiring a full starter motor replacement.1:29

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