Weichai America Corp.
10
1
Cylinder block
5
Bowl plug
9
Bowl plug
2
Crankcase
6
Bowl plug
10
Camshaft bush
3
Bowl plug
7
Bowl plug
11
Cylindrical pin with
internal thread
4
Bowl plug
8
Bowl plug
12
Main bearing bolt
2.2.2 Pre-assembly Preparation
1.
Equipment condition: socket wrench, copper hammer
2.
Preparation: disassemble the transmission and clutch; disassemble the flywheel, flywheel
housing, gear housing and oil pan.
2.2.3 Disassembling Steps of Preassembly of Cylinder Block
1.
Disassemble the camshaft bushing;
2.
Disassemble the main bearing bolts and crankcase fastening bolts;
3.
Disassemble the crankcase;
4.
Disassemble the cylinder pin with internal threads;
2.2.4 Assembling Steps of Preassembly of Cylinder Block
The assembly should be conducted in the reverse order of disassembly.
2.2.5 Overhaul of Preassembly of Cylinder Block
Key point 1:
For disassembling, use special tooling to disassemble the camshaft bushing. In the process of
disassembly, take care to protect other bushings.
Key point 2:
Before assembly, carefully check if there is scratch on internal surface of camshaft bushing, and
replace it when necessary. The camshaft bushing oil hole should be aligned with the camshaft
bottom hole oil hole of engine block.
Key point 3:
WEICHAI & PSI SERVICE MANUALS AVAILABLE ONLINE AT FLYPARTSGUY.COM
GET YOUR WEICHAI & AFTERMARKET SERVICE PARTS AT FLYPARTSGUY.COM
