Weichai America Corp.
35
Figure 4-6 Main bearing bolt tightening order
13.
The first time with a low torque pneumatic wrench tighten; the second reached 80N · m; the
third reached 140N · m; the fourth order of 90 ° and finally turn 60° to finish assembly.
14.
Measuring crankshaft axial clearance, qualified axial clearance (0.052-0.255) mm.
4.5
Piston rod group disassembly and assembly
4.5.1 Exploded view
1 Piston 2 Piston pin 3 Link body 4 Link cover 5 Connecting rod bolt 6 Trapezoidal barrel
surface ring 7 Torsion cone ring 8 Steel band oil ring 9 - piston pin ring; 10 - connecting rod
bushings; 11 - connecting rod on the tile; 12 connecting rod under the tile;
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
