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These dual rear wheels should be tightened as follows:
1. Tighten the wheel nuts in the num-
bered sequence to a snug fit.
2. Retighten the wheel nuts in the same
sequence to the torques listed in the
table. Go through the sequence a sec-
ond time to verify that specific torque
has been achieved. Retighten to
specifications at 100 miles (160 km)
and after 500 miles (800 km).
• It is recommended that wheel stud
nuts be kept torqued to specifications
at all times. Torque wheel stud nuts to
specifications at each lubrication
interval.
Wheel Nuts
• All wheel nuts should be tightened occasionally to eliminate the possibility of
wheel studs being sheared or the bolt holes in the wheels becoming elongated.
This is especially important during the first few hundred miles/kilometers of
operation to allow the wheel nuts to become properly set. All wheel nuts should
first be firmly seated against the wheel. The wheel nuts should then be tightened
to recommended torque. Tighten the wheel nuts to final torque in increments.
Progress around the bolt circle, tightening the wheel nut opposite to the wheel nut
just previously tightened until final torque is achieved. Recommended torques are
shown in the following chart.
WHAT TO DO IN EMERGENCIES
129
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