GENERAL MAINTENANCE INFORMATION FOR GENERATORS

MAINTENANCE CULTURE:

FOR PETROL GENERATOR

  • Changing of oil every month
  • Changing of plug every four months
  • Setting of valves every three months
  • Servicing of carburetor with carburetor cleaner every four months

Considering the difference using frequencies of different customers, it is better for the user to change or clean some parts by a certain period in units of hours.

Also the air filter and other parts need to be serviced.

Please see table 1 below.


 

FOR DIESEL GENERATOR

  • Changing of oil every month
  • Changing of gas filters every two months

Like the above mentioned, different customers also have different usage habits on diesel generators.

Please see the table below for your reference.

QUESTIONS & ANSWERS SECTION

  1. How is a customer supposed to load his generator?
  • The customer is supposed to load not more than the rated power (KVA) for long running.
  1. What are the things needed to be done when servicing the generator?
  • Changing of oil (with good quality oil and fuel)
  • Changing of plug
  • Servicing of carburetor with carburetor cleaner
  • Setting of valve
  • Washing of fuel tank with petrol
  1. How often is a customer supposed to service his generator?
  • It depends on the usage
  • When used every day for at least five hours, the generator is supposed to be serviced monthly.
  • If not often, the generator is supposed to be serviced every three months. 
  • Similarly, you can also check table 1 above for your reference and more details.
  1. Where is the customer supposed to position his generator?
  • The generator is supposed to be positioned in a ventilated area.
  • The exhaust from the generator is not supposed to face the wall
  • The customer is supposed to build a shield for the generator to protect it against sun, rain and dust.

COMMON PROBLEMS AND SOLUTIONS WITH GENERATORS WHEN IT REFUSES TO START 

  1. Losing of pressure:  Signs to know when the generator is losing pressure
  • The starter rope will become freer when you pull it more than the way it was initially
  • The hole will be freer without friction when you insert the key to start the generator

Solution: use engine oil to prime it to regain pressure.

  1. Stiffing of valve due to bad fuel: signs to know when the valve becomes stiff
  • When the generator starts producing bad sounds

Solution: use engine oil to lubricate it to be free.

  1. Spark plug: signs to know when the spark plug is faulty
  • When the plug head becomes brownish in color.

Solutions: cleaning of plug with petrol or changing of plug.

  1. Starting coil: signs to know when the starting coil is faulty

Open the plug cap and insert a screwdriver inside and hold, then try to pull the starter rope. When current enters the screw driver and causes vibration in the handle, it means the starting coil is faulty.

Solution: changing of starting coil

TROUBLESHOOTING 

When the generator is working and it does not supply light

  1. Check the brush: signs to know if the brush is faulty
  • When the brush starts to chop off

Solution: change the brush

  1. Check the AVR: signs to know if the AVR is faulty
  • When the AVR starts to melt.

Solution: changing of AVR

To get more information on troubleshooting, please check table 3 below.

 

FOR TIMER SERIES

  • If the fuel tap is not closed after turning off the generator, normally it’s ok.
  • But, if this status remains for a long time like more than three months, it may cause the carburetor/fuel tap to be stuck because of the sediments inside the fuel.