Safety - Section 20 08/11 OM2036
Page 20-14
Tire Maintenance
If the proper procedure for performing maintenance
or replacement of the wheel or tire is not used, the
wheel or tire may burst, causing damage, serious
injury, or even death. When performing such mainte-
nance, consult your authorized regional Komatsu dis-
tributor, or the tire manufacturer.
Refer to the Society of Automotive Engineers (SAE),
SAE J1337, Off-Road Rim Maintenance Procedures
and Service Precautions, Section 4.2 for additional
information on demounting the tires and rim assem-
blies. Also, refer to Section 4.4 of SAE J1337 for
assembly and inflation recommendations.
The U.S. Department of Labor Mine Safety and Health
Administration (MSHA) addresses tire repairs in its Title
30 Code of Federal Regulations, 30 CFR 57.14104.
DO NOT stand in front of a rim and locking ring
when inflating a tire mounted on the machine.
Observers must not be permitted in the area.
DO NOT weld or heat the rim assembly with the tire
mounted on the rim. Resulting gases inside the tire
may ignite, causing explosion of the tire and rim
.
Storing Tires After Removal
• As a basic rule, store the tires in a warehouse in
which unauthorized persons cannot enter. If the
tires are stored outside, erect a fence around the
tires with No Entry and other warning signs.
• Stand the tire on level ground, and block it
securely so that it cannot roll or fall over.
• If the tire falls, flee the area as quickly as
possible. The tires for mining equipment are
extremely heavy. DO NOT attempt to hold a tire
upright when the tire is falling. The weight of
these tires may lead to serious injury or death.
Mounted tires stored as spares must be inflated to
the minimum inflation pressure necessary to keep
the tire beads properly seated. Maximum inflation
pressure of the stored tire must, in no instance,
exceed 15% of the tire’s cold inflation pressure.
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