MAINTENANCE AND SERVICING
Check tire pressure every year. Caster tire pressure should be 10 psi (69 kPa).
To maintain pressure, visually check daily that tires have not lost pressure, and adjust pressure as needed.
Under-in
fl
ation of tires can cause sidewall cracks.
NOTE:
If caster wheels shimmy, a possible cause is over-in
fl
ation.
Table 5.5 Caster Tire Options
Formed Caster
Forked Caster
7.5–16SL Single Rib, 10-16 Front Steer Tire
16.5L–16.1 Rib Implement Flotation, 10–16
Front Steer Tire
10 psi (69 kPa)
10 psi (69 kPa)
Tightening Caster Wheel Nuts
At
fi
rst use or when a wheel is removed, check wheel nut/bolt torque every 15 minutes on the road or 1 hour in the
fi
eld until the speci
fi
ed torque is maintained.
Once speci
fi
ed torque is maintained, check wheel nut/bolt torque after 10 and 50 hours (
fi
eld or road operation) and
then every 200 hour intervals thereafter.
To tighten the caster wheel nuts on either forked or formed
caster wheels, follow these steps:
1. Position wheel assembly on hub and install wheel
bolts (A).
2. Tighten wheel nuts (A) to 120 ft
·
lbf (163 N
·
m) using
the tightening sequence suitable for the type of caster
wheel shown at right. Repeat the tightening sequence
three times.
Figure 5.213: Forked Caster Wheel
Tightening Sequence
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Revision A
Summary of Contents for M155
Page 3: ...Declaration of Conformity Figure 1 Declaration of Conformity Page 1 of 2 147649 i Revision A ...
Page 4: ...Figure 2 Declaration of Conformity Page 2 of 2 147649 ii Revision A ...
Page 30: ...SAFETY Figure 1 21 Safety Signs Left Cab forward Side 147649 14 Revision A ...
Page 32: ...SAFETY Figure 1 23 Safety Signs Right Cab forward Side 147649 16 Revision A ...
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Page 414: ...MAINTENANCE AND SERVICING Fuse Box Decal Figure 5 178 Fuse Decal 147649 398 Revision A ...
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