386 FLYWHEEL A ND F LYWHEEL HOUSING
Specifications
Table 49 Flywheel and Flywheel Housing Specifications
Flywheel housing:
SAE # 1 = 0.30 mm (0.012 in)
Flywheel housing bore concentricity
SAE#2=0.28mm(0.011in)
SAE # 1 = 0.30 mm (0.012 in)Flywheel housing face runout
SAE#2=0.28mm(0.011in)
Crankshaft pilot:
Crankshaft pilot concentricity 0.13 mm (0.005 in)
Flywheel:
Flat flywheel surface runout at clutch mounting ho
les.
0.20 mm (0.008 in)
Pot flywheel surface runout 0.20 mm (0.008 in)
Pot flywheel clutch mounting surface runout 0.30 mm (0.012 in)
WARNING: To prevent serious personal
injury, possible death, or damage to the engine
or vehicle, do not machine beyond minimum
dimensions specified for flywheel resurfacing.
WARNING: To prevent serious personal
injury, possible death, or damage to the engine or
vehicle, carefully examine the flywheel after
resurfacing for any cracks or heat checks.
Flywheel resurfacing information is provided
for guidance only. Navistar, Inc. assumes no
responsibility either for the results of any work
performed in accordance with this information or
for the ability of service personnel to detect heat
cracks. Any cracks or heat checks in the flywheel
could cause it to separate, creating the possibility
of injury to the operator or bystanders. If there
are any questions, do not use the flywheel.
Tab le 50 Flywheel Resurfac in g Specifications
Flat flywheel minimum thickness after resurfacing 36.32 mm (1.430 in)
Pot flywheel minimum th
ickness after resurfacing
39.37 mm (1.550 in)
Requires measurement from crankshaft mounting surface of flywheel to clutch surface of flywheel.
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.