King Long XMQ6900 Series, Operating Manual

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Maintenance and service
5-18
Maintenance operation and regulation every 10000km or 3 months depend on whichever occurs first.
Every 10000km include every 5000km maintenance operation
System Item Operation Technical requirement
Engine
Oil Replace Check oil surface within required range
Check engine and oil seal without apparent leakage
Replace oil when engine water temperature is 60
℃ , for
removing the impurity
Oil level more than CF
Oil filter Replace Before installation add 1/2—3/4 to filter
Air filter Check Clean air filter element
Air inlet/ outlet
system Check No air leakage, no damage, each clip fastening good
Cooling system
and Intercooler Check No leakage, each clip without damage or loosen
Water tank without leakage, damage, fouling
Coolant filter Replace Before re-install the coolant filter, daubs the 15W-40
lubricate oil on the interface of the sealing ring.
Fuel pump
installation Check No leakage
Air compressor Check No air, oil, coolant leakage, lock nut and bolt no loosen or
damage
No carbon deposit
Brake system Check No leakage
Propeller shaft
fastening bolt
Check
and fasten
Propeller shaft flange fastening bolts not loosening
universal joint
Check
and fasten
Universal joint each bearing no loosening or damage
Front axle
（
DF series
）
Brake bottom
board Check No loosening
Hub bear Check No loosening
Brake plate Check /
change Change the brake plate when plate abrasion more than
limit pit.
Rear axle
（
DF series
）
Brake bottom
board Check No loosening
Hub bear Check No loosening
Brake plate Check /
change Change the brake plate when plate abrasion more than
limit pit.
The leaf
Suspension
Leaf spring
Check Each fastening bolt not loosening, leaf spring no broken
piece, no apparent change of elasticity
Brake system
Rear braking
system
Check
Check brake frication piece thickness within required range
by check port, visual check brake adjust arm working
condition, running and stop brake good, each brake pipeline
and air line no leakage