The following checks detailed below are the only tasks that an operator should undertake.

The following checks should be performed prior to starting the generator set:

1. Ensure the Control Switch / Key Switch is Off.

A visual inspection should take only a few minutes and can prevent costly repairs and accidents – For maximum generator set life,

visually inspect the generator set before starting. Look for items such as:

• Loose fastenings / fixings, worn belts or loose connections. Repair as necessary.

• The fan and exhaust guards must be at the correct positions and securely fixed. Repair damaged / loose guards or renew

missing guards.

• Wipe clean all filler caps before the engine is serviced or fluids are topped up to reduce the chance of any system

contamination.

• For any type of leak (coolant, lubricating oil or fuel), clean away the fluid. If a leak is observed, find the source and correct

the leak. If a leak is suspected, check the fluid levels frequently until the leak is found and repaired.

• Accumulated grease and/or oil on an engine is a fire hazard. Remove it by steam cleaning or by the use of a high pressure

water jet. Avoid high–pressure water on the electronic / electrical components, provide suitable protection were possible.

• Ensure that the coolant pipes are fitted correctly and that they are secure. Check for leaks. Check the condition of all pipes

for splits or signs of rubbing.

Fluid levels

2. Check the engine oil and coolant levels – replenish as necessary (see engine handbook for locations).

Ensure fluids used are as recommended within the engine handbook.

Warning :

 Do not remove the radiator cap or any component of the cooling system while the engine is running and while the

coolant is under pressure, because dangerous hot coolant can be discharged, posing a risk of personal injury.

Do not add large amounts of cold coolant to a hot system as serious engine damage could result.

Note:

• Diesel engines normally consume lube oil at a rate of 0.25% to 1% of the fuel consumption at full load.

• When adding coolant to the radiator system, always pour slowly to help prevent air from becoming trapped in the engine.

Always top up when engine is cold.

Warning :

 When filling the fuel tank, do not smoke or use an open flame in the vicinity.

3. Check the fuel level – fill as necessary.

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Warning :

 Before tightening the fan belts, disconnect the battery negative (–) lead to ensure the engine cannot be accidentally

started.

4. Check the condition and tension of the fan and engine alternator belts – tighten as necessary.

5. Check all hoses for loose connections or deterioration – tighten or replace as necessary.

6. Check the battery terminals for corrosion – clean as necessary.

Warning :

 When working with the batteries, do not smoke or use an open flame in the vicinity. Hydrogen gas from batteries is

explosive.

 Do not short the positive and negative terminals together.

7. Check the battery electrolyte level – fill with distilled water as necessary.

8. Check the control panel and the generator set for heavy accumulation of dust and dirt – clean as necessary. These can pose

an electrical hazard or give rise to cooling problems.

9. Check the air filter restriction indicator, if fitted – replace the filter as necessary.

10. Clear the area around the generator set of any insecure items that could inhibit operation or cause injury. Ensure cooling air

ventilation screens are clear.

11. Visually check the entire generator set for signs of leaks from the fuel system, cooling system or lubrication seals.

12. Periodically drain exhaust system condensate traps, if equipped.

13. Ensure the alternator output circuit breaker is in the “OFF” (handle down) position.

Related reading:Cummins Diesel Generator, Deutz Engine Generator