79032966 A Rev. 01-43
General Information
TIRES AND WHEELS
Tire Pressure
Tire pressures for both front and rear tires must be
checked every 50 hours of operation or weekly. See the
Specifications section for the correct tire pressure.
NOTE: The combine is shipped from the factory with
tires over inflated. Pressures must be checked
and adjusted before operating the combine in the
field.
NOTE: Combines can be shipped with special 16.9 x 34
shipping tires and wheels for clearance
requirements. Do not install the header, or move
the base combine on these shipping tires more
than necessary to unload the combine from the
truck.
After unloaded, replace the shipping tires and wheels with
the operating tires and wheel ordered with the combine.
NOTE: The above combinations are based on correct
tire loadings as listed in ASAE Standard S385-4.
Dual Tires
If Dual Tires are used, the following conditions must be
met:
• Base tires must be mounted in 3.05 m (120 in) tread
position. Dual tire tread must not exceed 4.57 m (180
in).
• Base tires must carry the correct operating pressure
per the tire pressure chart in the Specifications
section.
NOTE: A special ladder deck extension will be required if
duals are installed.
Maintenance of Tires
To reduce amount of wear, and extend the life of the tires,
the correct pressures must be maintained and checked at
regular intervals.
When combine is going to be out of use for an extended
period, or is being stored, block both sides of axles to take
weight off tires.
If oils or solvents are spilled on a tire, clean immediately.
Never park or stop the combine with tires standing in an
area of wet oil.
If possible, park combine where tires will be shaded from
direct sun. This is important if combine is parked for
extended periods, or is being stored.
If mounting tubeless tires, make sure the flange and bead
area of the tire and rim are free from dirt, rust or old
rubber. The rim must be smooth and clean. Any areas of
rust must be cleaned and painted with a rust inhibiting
type paint.
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WARNING: Failure to follow correct
procedures when mounting a tire on a
wheel or rim can cause tire to explode
which can result in serious injury or death.
Do not mount a tire unless you have the
proper equipment and experience to
complete the job. A qualified tire repair
service dealer has the proper equipment.
Never exceed 241 kPa (35 psi) or the
maximum inflation pressures specified by
tire manufacturers for mounting tires.
Inflation beyond this maximum pressure
can break the bead, or even the rim, with
dangerous explosive force. If both beads
are not seated when maximum
recommended pressure is reached, deflate,
reposition tire, lubricate bead and inflate
tire.
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