384 FLYWHEEL A ND F LYWHEEL HOUSING
Checking Flywheel Surface Runout
Figure 614 Checking flywheel surface runout
1. Attach a dial indicator to the face of the flywheel
housing. Place the tip of the dial indicator against
thefaceoftheflywheel.
2. Zero the dial indicator.
3. Slowly rotate the flywheel. Record the total
indicator variation and compare the result to the
flywheel surface runout specification.
Flexplate (Automatic Transmissions)
Allison 2000 Series Transmissions
CAUTION: To prevent engine damage, if the vehicle
is being reconfigured with an Allison 2000 Series
transmission, make sure that the correct flywheel
housing is installed on the engine. Otherwise, there
will be interference between the flexplate studs and
the flywheel housing that will only be evident after the
transmission has been installed.
Figure 615 Installing guide pins and adapter hub
1. Adapter hub
2. Guide pins
1. Install two guide pins in the flexplate mounting bolt
holes at the 3 o’clock and 9 o’clock positions.
2. Install the adapter hub on the guide pins.
Figure 616 Installing the flexplate
1. Flexplate assembly
NOTE: When installed correctly, the ring gear on
the flexplate is offset (not centered) toward the
transmission.
3. Install the flexplate assembly on the guide pins.
EGES-265-2
Read all safety instructions in the "Safety Information" section of this manual before doing any procedures.
Follow all warnings, cautions, and notes.
© 2009 Navistar, Inc.
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