MAINTENANCE AND SERVICING
169469/169470/169471
194
Revision E
7.12 WHEELS AND TIRES
7.12.1 DRIVE WHEELS
7.12.1.1 Tire
Inflation
a. Visually check
daily
that tires have not lost
pressure. Under-inflation of drive tires can cause
side wall cracks.
DANGER
To avoid severe personal injury or death
caused by machine runaway, shut off engine
and remove key before performing any of the
following checks and/or adjustments.
b. Measure tire pressure annually with a gauge.
Maintain the pressure as follows:
Bar – 32 psi (221 kPa)
Turf – 20 psi (138 kPa)
DANGER
Never install a tube in a cracked wheel rim.
Never weld a wheel rim.
Make sure all the air is removed from a tire
before removing the tire from the rim.
Never use force on an inflated or partially
inflated tire. Make sure the tire is correctly
seated before inflating to operating
pressure.
Do not remove, install or make repairs to a
tire on a rim unless you have the proper
equipment and experience to perform the
job. Take the tire and rim to a qualified tire
repair shop.
If the tire is not in correct position on the
rim, or if too full of air, the tire bead can
loosen on one side, causing air to leak at
high speed and with great force. An air
leak of this nature can thrust the tire in any
direction, endangering anyone in the area.
Use a safety cage if available.
Do not stand over tire. Use a clip-on chuck
and extension hose.
7.12.1.2 Wheel Nut Torque
At first use, or when a wheel is removed, check
drive wheel nut torque every 15 minutes on the
road or 1 hour in the field until the specified torque
is maintained. Continue with a checking schedule
of 10 and 50 hours (field or road operation), and
then every 200 hour intervals thereafter.
a. Tighten nuts to 220 lb-ft (300 N·m) using the
tightening sequence shown above.
NOTE
To avoid damage to wheel rims, do not
over-tighten wheel nuts.
b. Repeat sequence three times.
1
5
3
7
8
2
4
6
Содержание M205 2012
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