Major Generator Service Visit

Every generator maintenance contract comes with 4 hour response as standard as well as a Major and Minor annual service visit.

The following procedures and checklists to be carried out during a major service include:

Lubricating System

• Change engine lubricating oil.
• Change engine lubricating oil filter.
• Change engine lubricating oil bypass filter, if fitted.
• Check engine oil for leaks.
• Check hydraulic governor oil level, if fitted.
• Record oil pressure – P.S.I  R.P.M.

Fuel System

• Drain sediment from fuel tank.
• Check fuel tank breather.
• Clean out water and sediment trap.
• Change fuel filters.
• Check fuel system pipes and unions for leaks.
• Check operation of engine governor and stop controls.
• Check operation of fuel system priming pump.
• Check fuel level, inform Owner/Manager if low.

Cooling System

• Check coolant level and antifreeze content and top up if necessary.
• Check coolant inhibitor.
• Change coolant filter, if hours occurred.
• Check for coolant leaks.
• Check condition of hoses and clips.
• Check condition of fan belts and adjust or renew, if required.
• Check water pump and lubricate.
• Check and lubricate fan hubs and idlers.
• Check condition of radiator.
• Clean radiator fins.
• Check condition of radiator ducting and trunking.
• Check operation of block and radiator heaters.
• Check operation of ventilation automatic louvers, if fitted.
• Record engine cooling system temperatures.

Air Intake System

• Change air filter element, if necessary (chargeable).
• Clean and check air cleaner and piping for damage.
• Check turbocharger operation and condition.
• Check inlet manifold and gaskets.
• Check and tighten turbocharger outlet hose clips.

Exhaust System

• Tighten Manifold nuts and cap screws.
• Tighten turbocharger mounting nuts.
• Check for leaks and signs of blowing.
• Check condition of silencer and piping.
• Drain moisture trap in exhaust pipe.

Engine Electrical System

• Check battery electrolyte level and specific gravity, top up if necessary.
• Check condition of charging system.
• Record charging rate – amps.
• Check operation of starting system.
• Check condition of wire and connectors.

Alternator

• Check bearings and lubricate.
• Check communicators or slip rings.
• Examine brush gear.
• Check alternator to engine alignment.
• Check alternator to engine coupling.

General Generator Maintenance 

• Check engine mounting bolts.
• Check engine anti-vibration mountings.
• Check operation of engine governor.
• Check and adjust engine valve clearance, if hours occurred.
• Check and clean engine crankcase, breather.
• Check engine vibration dampers.
• Lubricate all engine linkages.
• Keep generator plant room in a clean and tidy condition.