Fan Drive - Navistar INTERNATIONAL DT 466 Service Manual

Fan Drive

Table 18 Fan Drive Mounting Bolt Sizes
Fan drive mounting configuration
High-mount, Horton (20 in)
High-mount, Horton (18.3 in)
Mid-mount, Horton (16.2 in)
Low-mount (Horton 12.2 in)
High-mount (spin-on)
Mid-mount (spin-on)
Low-mount (bolt-on and spin-on)
NOTE: The table located at the back of this section
covers fan drive configurations diameters and ratios
(Table 19).
1. Install fan hub assembly.
NOTE: The standard fan hub assembly is serviced
as a unit. The assembly is made up of the following
nonserviceable items:
• Fan and pulley mounting hub
• Fan bearing hub
• Bearing assembly
• M10 x 70 bolt
• Fan bearing retainer
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.
Bolt size Torque
M8 x 1.25 x 30 26 N·m (19 lbf·ft)
M8 x 1.25 x 30 26 N·m (19 lbf·ft)
M8 x 1.25 x 30
26 N·m (19 lbf·ft)
M8 x 1.25 x 30 26 N·m (19 lbf·ft)
M8 x 1.25 x 30 Standard
M8 x 1.25 x 65 Standard
M8 x 1.25 x 30 Standard
M8 x 1.25 x 65
Standard
M8 x 1.25 x 65 Standard
Figure 267 Torquing the fan drive mounting
bolts (typical)
2. Install the hex flange bolts required (Table 18)
and tighten to the standard torque value (General
Torque Guidelines, page 445 ), unless otherwise
noted (Table 20).
EGES-265-2
193
Quantity
4
4
4
4
2
2
2
2
4