Vibration Damper Hub And Damper Retaining Plate - Navistar INTERNATIONAL DT 466 Service Manual

Vibration Damper Hub and Damper Retaining
Plate
1. Mark damper hub with 100 °C (212 °F)
Thermo-melt crayon (Table 21).
Figure 263 Heating the vibration damper hub
2. Heat vibration damper hub on a hot plate (Table
21) . Do not heat to more than 212 °F.
WARNING: To prevent serious personal
injury, possible death, do not pick up the
vibration damper hub with exposed hands. Wear
heat protective gloves due to the extremely hot
vibration damper hub.
Figure 264 Installation of vibration damper hub
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
FRONT COVER AND RELATED COMPONENTS
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
WARNING: To prevent personal injury or
death, wear heat insulated gloves when handling
heated components.
WARNING: To prevent personal injury or
death, damper hub must be completely seated on
the crankshaft.
3. Install heated vibration damper hub onto the
crankshaft. Use Heat Insulated Gloves (Table 21)
specifically designed for extremely hot objects.
Figure 265 Damper retaining plate
1. Damper retaining plate
2. Dowel pin
3. Bolt M12 x 40 (3)
CAUTION: To prevent engine damage, only use 15.2
mm (0.60) in thick damper retainer and Class 12.9
damper bolts.
4. Verify that new damper retainer is 15.2 mm (0.60)
in thick and new M12 x 40 damper bolts are Class
12.9.
5. Position new damper retaining plate and install
three new M12 x 40 bolts.
6. Tighten three M12 x 40 damper bolts to special
torque (Table 20).
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