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General GL-4 Maintenance Specifications It is necessary for periodical inspection and maintenance of a vehicle to extend its service life, and improve on its power performance and fuel economy. So periodical inspection and maintenance should be carefully and The users have to do the maintenance according to this chapter. The following schedule is only for mainte- nance items with in 4,0000km, it is also suitable for normal maintenance items after 40,000km. △— Running-in Maintenance Mileage (1,500~2,500km) ☆— Running in maintenance items ★— Normal maintenance items Note: condition. Properly shorten the maintenance intervals can ensure the truck to get the reasonable CYDQ32 engine R=Replace I=Inspect A=adjust C=Clean D=Dry and check Note: fuel spray nozzle and fuel spray conditions, and adjust if necessary. If there is a ★ in the maintenance item, it has to follow the "Maintenance in bad using environment " and do the maintenance more frequent. CYQD32 engine maintenance in bad using enviroment The maintenance above is in the normal using environment, but if the vehicle is used in a bad envi- ronment for a long time, it will be necessary to do the following maintenance more frequent. Maintenance Items Maintenance Intervals (× 1000km) 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 Replace lubricant ★ R R R R R R R R R R R R R R R R Replace oil filter cartridge R R R R R R R R Maintenance Items Maintenance Intervals (× 1000km) 1 10 20 30 40 50 60 70 80 Exhaust device and tighting of other nuts I Drive belt I I I I I Engine coolant R R Cooling system I I I I Fuel pipeline I I Air filter C C C R C C C R Air inlet and outlet valve A A A A A Fuel spray nozzle 请看注意 (1) Idle speed I I I I I |