Edition 2 Chapter 1 Page 1-12
Feb/2013 Maintenance and Service
(d) Punctures
(e) Abrasion.
(2) If necessary, make sure that you repair these items.
(3) Replace or repair the wheels if they are bent, contain a crack or are loose.
(4) Make sure that the wheel nuts are correctly tightened.
B. Tire Pressures
(1) Always keep the correct tire pressure in all the tires.
(2) Friction makes heat that increases the pressure in the tires when you
move the crane. Movement at high speeds also increases the pressures
in the tires. Do not deflate the tires if these conditions occur. Decrease
your speed or stop until the pressure decreases.
(3) Always use an accurate tire pressure gauge. You must measure the tire
pressure when the tires are cool. Do a check of the pressures at regular
intervals.
Because of the explosive nature (high temperature and high pressure)
of the tire and rim it is dangerous to change a tire if you are not trained.
Death or personal injury can occur while you touch or do the
maintenance work on these tires. You must follow special procedures
and use special tools to safely change the tires. If it is possible, let your
repair company do this work. If you must change a tire, follow the step
by step instructions in a Tire Repair Manual. If you must add air
because of low pressure, do not be adjacent to the tire tread. Use a long
extension hose to be behind the tire tread. Always use a tire cage or
equivalent protection when you add air.
(4) Do not deflate air from a hot tire. The pressure lowers but the temperature
increases when the tire continues to move. This increase in temperature
causes the tire to malfunction.
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