Weichai America Corp.
29
1.
Equipment conditions: torque wrench
2.
Preparation before disassembly: Removed fan, belt, tensioner and other parts
4.1.3 Dismantling
1.
Unscrew the pulley bolt (1) and remove the pulley assembly.
2.
Unscrew the shock absorber bolts (5), separate the crankshaft pulley (2), shock absorber (3),
washer (4).
4.1.4 Inspection
1.
Check the shock absorber bump, deformation and so on.
2.
Check the pulley is damaged, the bolt to crush if there is crush.
3.
Check pulleys bolts for damage.
4.1.5 Installation
The reverse order of disassembly
4.1.6 Service Key point
Key Point
：
Assembly
Apply a clean lubricant to the bolt threads and to the support surface prior to assembly.
Bolt symmetrical tightening. Shock absorber bolts M10-10.9 bolts, tightening torque (60 ~ 70)
N.m ; crankshaft pulley bolts M12 × 1.5-10.9 special bolts, pre-tightening 45N.m, and then turn
135 °.
4.2
Flywheel, flywheel gear ring, flywheel connection plate removal and installation
4.2.1 Exploded view
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
Document Courtesy of Fly Parts Guy Co.
www.FlyPartsGuy.com
