Weichai America Corp.
37
ring should be inward and the retaining ring opening should be offset 30 ° from the centerline
of the piston. As shown in Figure 4-8
Figure 4-8 Piston pin retainer ring assembly diagram
2.
Insert the small end of the connecting rod into the inner cavity of the piston and align the
small end of the connecting rod with the pin hole of the piston. Then insert the piston pin and
finally insert the other end of the piston pin into the ring. Connecting rod small hole and
piston pin before assembly appropriate amount of clean lubricant and pay attention to the
connecting rod oblique cutout direction and the piston cooling oil inlet hole in the same
direction.
3.
The installed piston rod components arranged in order according to the cylinder number, and
then the piston ring installation clamp oil ring, the second gas ring, the first gas ring in turn
into the piston ring groove. Piston ring "TOP" surface should be up, and the ring in the ring
groove should be flexible rotation;
4.
Wipe the cylinder wall, crank and piston rod components, and in the movement of the Deputy
coated clean oil
;
5.
Adjust the direction of the opening of each ring: the first ring opening mounted on the
centerline of the piston pin offset 30 ° position, the second ring opening and the first ring
opening position offset by 120 °, oil ring openings were in the first and second The air ring
The collar opening is offset 30 °
from the piston centerline
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com