Navistar ProStar+, Operation And Maintenance Manual

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Maintenance Instructions
to specification using the appropriate pattern shown in the
wheel nuts torque sequence diagram.
10. As part of a daily pretrip inspection, look for loose or missing
wheel nuts. Also look for rust streaks extending outward
from the wheel nuts; this can be an indicator that one or
more wheel nuts are loose, even if they cannot be turned
by hand. Normal periodic maintenance should also include
checking the wheel nut torque with a torque wrench.
Transmission
NOTE: Refer to the Original Equipment Transmission
Manufacturer
for specific service instructions and
recommendations, required capacities, and transmission
fluids.
Check lubricant level. With the vehicle on level ground, verify
that transmission lubricant level is even with the bottom of the
inspection plug in the side of the transmission. Check shifter for
proper operation.
• Check operation of transmission Neutral safety switch.
Try to start the vehicle in all shift selector positions other
than Neutral. The starter should ONLY operate when the
shift selector is in Neutral.
• Refer to SECTION 8 — MAINTENANCE INTERVALS
AND SPECIFICATIONS for information on transmission
fluids and fluid and filter change intervals.
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