Dirty fuel on a site set
Contaminated diesel from site tanks or containers blocking the filters.
Open 24/7 · We arrive within 1 hour across Gauteng · Established 2000
Turner Morris diesel
We repair and service Turner Morris diesel generators on building sites and commercial premises across Gauteng. Turner Morris also sells petrol sets, so check the fuel on your data plate: for a diesel you are in the right place.
Independent service and repair: Turner Morris is a trademark of its owner, and ProService Generator Repairs is not a Turner Morris dealer or agent.
Callout fee waived when you accept our written quote. 1-year workmanship guarantee. See prices

Turner Morris diesel sets work hard on building sites and as commercial standby. We take the model and kVA from the data plate, then test the start circuit, fuel system, cooling, panel and output in turn.
For a petrol Turner Morris, including the larger run-silent units, book Turner Morris petrol generator repairs.
We change the diesel engine oil and filters to the engine plate schedule, and check the battery on site and commercial installations.
Every service includes a review of the alarms on the diesel panel.
We work on Turner Morris diesel sets for site and commercial use where access allows. The plate gives us the kVA and model.
When a Turner Morris diesel will not crank, we check the battery, the starter and any panel inhibit.
When it cranks without firing, we trace the fuel filter, air in the lines and the solenoid.
We confirm the filter and lift pump on the engine fitted. Site sets often pick up dirty fuel from jerry cans and site tanks, so we check fuel quality early.
We trace rough running under site load through fuel delivery before we quote injectors.
We read Turner Morris diesel panels as displayed and trace each alarm for that controller.
When the set runs but the load does not transfer, we test the ATS or manual changeover.
For overheating on site, we check coolant, the radiator and the fan.
We measure voltage at the breaker once engine speed is stable, then the AVR and alternator.
On site and commercial sets, we check the Turner Morris diesel engine, panel and alternator.
Book a repair when your Turner Morris diesel fails to start, trips on load or loses output.
Book a service when fluids are due and the set still runs.
A Turner Morris diesel can idle evenly and struggle when site equipment starts. We compare fuel delivery and alternator capacity with the load applied.
A filter or battery repair on a moderate-hour site set is almost always worthwhile. Major engine work is a closer call.
When the engine and alternator both need major work, we price a complete replacement set alongside the repair.
Your cost depends on where the fault is and parts for your diesel set. Fuel system cleaning and polishing typically costs R1,500 to R3,500 when dirty diesel is the cause.
The Turner Morris diesel faults we see most often, and our first checks.
Contaminated diesel from site tanks or containers blocking the filters.
The fuel filter, air in the line or the solenoid.
Coolant, the radiator or the fan.
The ATS or manual changeover.
The AVR or alternator, once engine speed is stable.
We take the model and kVA from your data plate.
Turner Morris diesels on sites and commercial premises are familiar ground for us.
We repair Turner Morris diesel sets here and petrol sets through our petrol service.
ProService Generator Repairs services and repairs Turner Morris generators, with the fault diagnosed and a written quote given before any work.
Yes. ProService services and repairs Turner Morris generators, including diesel site and commercial sets.
Yes. We service and repair Turner Morris generators across Gauteng and give you a written quote before any work.
Usually the battery, a panel inhibit or fuel delivery on the diesel engine.
Yes. We check the filters, fuel quality and delivery when the engine cranks and will not fire.
Yes. We test the AVR and alternator once the diesel engine runs.
Check the fuel on the data plate, or send us a photo and we will confirm.
We repair Turner Morris diesel sets on building sites and commercial premises across Gauteng. If your Turner Morris fails at night or over a weekend, call us: we are open 24/7 and arrive within 1 hour.
Send a photo of the Turner Morris data plate so we can confirm it is diesel, then call or WhatsApp 082 057 4605.