What do you need to pay attention to the engine of the overhaul excavator?
1 it is necessary to carry out maintenance according to the relevant data of the factory, including the fit clearance, disassembly sequence, installation process and tightening moment of bolts.
2 try to use the tools recommended by the manufacturer to save time and effort and improve efficiency.
3 try to use pure accessories, including the oil recommended by the manufacturer.
4, it is necessary to replace or grind or make two processing according to the actual measured data of the old parts. Do not rely on experience to take it for granted.
5 the best test for the test bench after the end of the maintenance is to check the maximum engine speed, the rated speed, the oil pressure, the output power, the color of the exhaust and the change of the water temperature. See if there is any exception.
6 pay attention to the clearance between bearing bush, pin clearance, cylinder wall clearance, ring gap, valve guide clearance and other main friction pairs.
7 size tile clearance fit! Valve must be running well, clean the oil way.
8 repair the engine, do not throw parts, pay attention to the maintenance workers are not very rude, when overhauling, it is easy to damage some small pieces. After the overhaul, the repair factory issued a maintenance detail, look at those pieces, the price is reasonable.