Weichai America Corp.
44
2
Connecting plate
4
washer
3.7.2
Steps to disassemble damper, crankshaft pulley.
Remove pulley bolts, take pulley/ connecting plate and damper down.
3.7.3
Steps to assemble damper and crankshaft pulley.
Install the hub, damper and crankshaft pulley as follows:
1)
Fasten the hub to crankshaft with the hub fastening bolts and tighten.
2)
Torque the hub fastening bolts:
Bolt specification M16-12.9 (×4);
Tightening torque: 300~310Nm;
Test value: 300~360Nm.
3)
Fasten the torque vibration damper and crankshaft pulley to the hub with the damper fastening
bolts and tighten.
4)
Torque vibration damper fastening bolts:
Bolt specification M10-10.9 (×6);
Tightening torque: 60~70Nm;
Test value: 65~80Nm.
3.7.4
Inspection and maintenance of damper, crankshaft pulley and hub.
1)
Check the crankshaft pulley for any damage and distortion. Replace if necessary.
2)
Check the torque vibration damper and hub for damage. Replace either if necessary.
3)
Check the hub fastening bolts and damper fastening bolts for damaged. Replace any if necessary.
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