Weichai America Corp.
39
3.
Check the piston ring cylindrical wear is abnormal; check the piston ring upper and lower
face wear is abnormal;
4.
Check the piston pin cylindrical wear is abnormal;
5.
Check the connecting rod big bottom hole, shaft and small head hole for cracks; check the
connecting rod bushing alloy layer is
6.
No wear normal or whether there is flaking, etc .; check the connecting rod side wear is
abnormal, check the connecting rod bending;
7.
Check the bearing rod wear, the alloy layer whether tile, peeling, slippage and so on.
5
Valve train
5.1
Disassembly and assembly of Valve train
5.1.1 Exploded view
Valve bodies are generally divided into valve group, valve drive group. Valve groups include
valves, valve springs, valve seats, valve lock clamps and so on. Valve drive groups include
camshafts, tappets, putters, rocker arm, rocker shaft and so on. As shown in Figure 5-1.
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com