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Table of Contents
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Because the IHN080/120 generates a magnetic field,
people wearing a pacemaker must not be within 5 m
(16 ft) of the IHN080/120 during operation� Electronic
equipment, such as wrist watches, may also be affected�
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Follow the operating instructions at all times�
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Be certain that the voltage supply is correct�
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Electrical arcing may occur when a potential difference
exists between the IHN080/120 and the workpiece� This
is not dangerous to human beings and will not cause
damage to the IHN080/120 or the workpiece� However,
the IHN080/120 must never be used in areas where
there is a risk of explosion�
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Do not expose the heater to high humidity�
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Never operate the IHN080/120 without a yoke in
position�
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Do not modify the IHN080/120�
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Use proper handling equipment when lifting heavy
workpieces�
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Avoid contact with hot workpieces� Wear the supplied
heat-resistant gloves to handle hot workpieces�
Safety Recommendations
1 Introduction
The IHN080/120 induction heater is designed to heat bearings that are mounted with an interference fit onto a shaft� The
heat causes the bearing to expand, which eliminates the need to use force during installation� A 90°C (194°F) temperature
difference between the bearing and shaft is generally sufficient to enable installation� At an ambient temperature of 20°C
(68°F), the bearing must therefore be heated to 110°C (230°F)�
1.1 Intended Use
The IHN080/120 has been designed to heat rolling bearings� However, other metal workpieces that form a closed circuit can
also be heated� Examples of acceptable workpieces include bushings, shrink rings, pulleys, and gears� All bearings that fit
over the inductive coil and between the vertical supports with the top yoke in place can be heated using the IHN080/120�
In addition, smaller bearings can be placed over either of the three standard yokes�
