Weichai America Corp.
36
Figure 4-7 Exploded view
4.5.2 Preparation before disassembly
1.
Equipment conditions: socket wrenches, pneumatic wrenches, wooden hammer and hole ring
clamp
2.
Disassembly Preparation: Fixed cylinder block and tilt, with a pneumatic wrench to unscrew
the connecting rod bolts, remove the cover.
4.5.3 Dismantling
1.
Check before demolition: Check the connecting rod axial backlash, check the connecting rod
bolt tightening torque;
2.
Place the engine tilted side, the piston disc to be disassembled to bottom dead center, remove
the connecting rod bolt and connecting rod cover;
3.
Turn the car to the top dead center, with a wooden hammer to knock out the piston, careful
operation in order to avoid the connecting rod big end block cylinder;
4.
Remove the remaining piston assembly and connecting rod assembly in the same manner.
The piston, connecting rod bolts, connecting rod cover number, respectively, in order;
5.
Use the retaining ring pliers carefully remove the retaining rings on both sides of the piston
and push the piston pin out to remove the connecting rod body. The piston pin, connecting
rod number, respectively, in order;
6.
Use piston ring installation forceps to disassemble one ring, two rings and oil rings,
respectively, and mark them separately;
7.
Remove the connecting rod up and down the tile, and respectively numbered on the back, in
order.
4.5.4 Installation
The same machine connecting rod and piston are in the same quality group; connecting rod body
and connecting rod cover must be paired.
1.
Use the hole retaining ring pliers to install a hole with a circlip into the piston retaining ring
groove, and turn the retaining ring to ensure full loading. The angular face of the retaining
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
