Some of your Questions:

Q. Difficult in starting ?

  • No Diesel in fuel tank - Fill the fuel tank with Diesel.
  • Water in fuel - Drain fuel tank & fill water-free Diesel.
  • Leakage through fuel tank cock - Tighten or replace if necessary.
  • Air in fuel pipe - Bleed air from fuel pipe line.

Q. Engine starts but fires intermittently ?

  • Faulty fuel supply - Tighten all connections & bleed air from fuel pipe.
  • Water in fuel - Drain fuel tank & fill water-free diesel. Broken fuel pipe - Replace pipe.
  • Air in fuel pipe - Bleed air from fuel pipe line.
  • Disturbed tappet clearance - Set tappet clearance inlet 0.203 mm Exhaust 0.254 mm.

Q. Excess or high fuel consumption ?

  • Leakage through fuel pipe joints - Tighten fuel pipe joints, replace washer if necessary.
  • Broken fuel pipe - Replace pipe.
  • Fuel injector element choked / holes blocked - Service it from MICO service station. otherwise replace.
  • Poor compression due to worn out valve seats of cylinder head - Lap cylinder head valve seat & valve together.
  • Poor compression due to worn out piston rings - Replace compression rings.
  • Worn out CR or main bearing or both - Replace bearing.

Q. Engine does not take load ?

  • Fuel injector element choked / holes blocked - Service it from MICO service station otherwise replace.
  • Poor compression due to worn out valve seats of cylinder head - Lap cylinder head valve seat & valve together.
  • Poor compression due to worn out piston rings - Replace compression rings.
  • Chocked air cleaner - Clean wire mesh of air cleaner with diesel.
  • Lubricating oil seal worn out - Replace oil seal.

Q. Over heating ?

  • Engine is overloaded - Avoid overloading.
  • Chocked water passage - Clean water passage of cylinder head & block.
  • Excess lubricating oil in crank case - Pour lub. oil to max. mark of dipstick only.
  • Lubricating oil seal worn out - Replace oil seal.
  • Lubricating oil gasket torn - Replace gasket.
  • Lubricating oil threaded joints loose - Tighten threaded joints.

Q. Excess lubricating oil consumption ?

  • Worn out CR or main bearing or both - Replace bearing.
  • Centrifugal pump coupled with engine is jammed - Repair the pump.
  • Engine is overloaded - Avoid overloading.
  • Chocked water passage - Clean water passage of cylinder head & block.
  • Improper grade of lubricating oil - Replace with correct grade of lubricating oil.
  • Lubricating oil seal worn out - Replace oil seal.
  • Lubricating oil gasket torn - Replace gasket.

Q. Fast wear & tear of components ?

  • Diesel Lub oil mixing through fuel pump - Service it from MICO service station otherwise replace.
  • Engine is overloaded - Avoid overloading.
  • Chocked water passage - Clean water passage of cylinder head & block.
  • Inadequate lubricating oil in crankcase - Pour lub oil to max. mark of dipstick.
  • Improper grade of lubricating oil - Replace with correct grade of lubricating oil.
  • Lubricating oil seal worn out - Replace oil seal. Lubricating oil gasket torn - Replace gasket.

Q. Over speeding ?

  • Speeder spring / Governor spring has lost its tension - Change the spring.
  • Improper lubrication of governor linkage / fuel pump rack - Lubricate both by lubricating oil.