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CHAPTER FOUR :
ENGIN MAINTENANCE
4.1 ENGINE MAINTENANCE CYCLE
4.1.1 DAILY MAINTENANCE
A. Check the levels of fuel, Cooling water and oil. Replenish if necessary.
B. Check jointing surfaces for leakage of oil and water.
C. Check high-tension cables for looseness.
D. Check electrolyte level in battery.
Refill distilled water if the level is not high enough.
E. Carefully listen to the sound of engine running at idling speed after starting. Observe the
functioning of different instruments.
4.1.2 MAINTENANCE AFTER FIRST 1000KM
A. Carry out the maintenance mentioned in daily maintenance.
B. Check the tightening of bolts between engines and bracket and exhaust manifold between
engine and air filter.
C. Check the tightening of cylinder head bolts. If there is looseness, retighten in accordance
with the order in the instruction.
D. check valve clearances, Adjust if necessary
。
E. Check the tensioning of fan belt. Adjust if necessary
F. Check idling speed and ignition timing.
G. Check gravity of electrolyte in battery or voltage of battery.
H. Check connections of alternator, regulator, Ignition coils and spark plug for looseness.
I. Check and adjust the free travel of clutch pedal.
4.1.3
MAINTENANCE AFTER RORST 2500 KM
A. Carry out the maintenance mentioned in daily maintenance.
B. Check the wear and tensioning of fan belt. Replace or adjust if necessary.
C. Clean the electrodes of spark plug. Adjust electrode gap if necessary.
D. Replace the paper element of air filter.
E. Change oil of engine and replace oil filter.
F. Start engine and check for any abnormal noises from power train under no load.
G. Operate clutch. Clutching off should be complete and clutching on should be smooth. It
should be smooth to shift gears of transmission.
H. Replace lubricating oil of transmission.
4.1.4 MAINTENANCE ECERY 5000 KM
A. Carry out the maintenance in point 4.1.3(refill lubricating oil instead of replacing
lubricating oil.)
B. Clean fuel tank, fuel line and carburetor barrel.
C. Check battery for cracks or leakages of electricity.
