OPERATOR'S MANUAL

Tires and Wheels Preventive Maintenance
– 212 – Y53-6027
Medium Duty (R05/09)
Demounted Rims
To check the torque on demountable rims, follow the criss-
cross sequence shown below. See
Table 7, “Wheel Cap Nut
Torque,” Page 210
for proper torque specifications.
WARNING! Improperly mounting and demount-
ing tire and rim assemblies is dangerous. Failure
to observe proper precautions could cause the
tire-rim assembly to burst explosively, causing
serious injury or death. See the wheel manufac-
turer's literature for the proper way to mount and
demount your tires and rims. Follow their pre-
cautions exactly.
Comparing Hub Piloted and Ball Seat Parts
WARNING! Do not mismatch wheel components.
Equipment that does not exactly match original
specifications or that is mismatched could
cause the wheels to break and separate from the
vehicle causing death or personal injury. Each
mounting system is engineered for use only with
its correct mating part. Be sure properly
matched components are used for each type of
mounting.
The following comparison (
Table 8, ”Comparing Hub-
piloted and Ball-seat Wheels”
), shows the difference
between parts used in hub pilot mount and ball seat mount
applications.
Crisscross Tightening Sequence
00118
02951
DISK WHEEL
DEMOUNTED RIMS