Xinchai 490B Series Manual page 25

3.1 Maintenance Tools
Hexagon wrench
Spanner handle
Valve clearance gauge
Assembling and dismantling tool for spin-on filter
3.2 Maintenance Periods
These maintenance periods are suitable for general situation, if maintenance is required
for the vehicles (cars, forklifts, tractors and so on) the shorter maintenance period is
applied. When the engine operation should meet local regulations, the maintenance periods
and procedures should be modified to ensure right operation.
银
Note: Some maintenance periods should be shortened if the engine is worked in dusty
environment or other rigorous conditions.
Engine maintenances are classified as follows:
1援 Daily maintenance
2援 Grade 1 maintenance ( After 50 hours or 2500km )
3援 Grade 2 maintenance ( After 250 hours or 12500km )
4援 Grade 3 maintenance ( After 1000 hours or 50000km )
Interval
1援 Check the oil sump, air filter and the oil level in the injection pump.
2援 Check the cooling water level in the water tank and fill it if the
Daily
3援 Check and fix bolts and nuts to eliminate any leakages phenomena.
Maintenance
4援 Use the compressed air to eliminate the dust on the cartridge of air
5援 Clean the mud, deposited dust and smear outside of the engine.
6援 Pay attention to the sound when the engine is running. Watch the
If the oil level rises, find out the cause and deal with it; if the oil is
not sufficient enough, fill the oil to the specified value.
cooling water is not sufficient enough. When the temperature goes
below 5 益 , all cooling water shall be drained out after the engine
being shutting down (if there is no any antifreeze).
filter when working on the occasions with much dust.
exhaust smoke and deal with the caused troubles and abnormal
situations.
Maintenance Items
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