SHOP MANUAL
GENERAL INSTRUCTIONS
Ch 0 page 12
When using vibrating tools e.g. chisel hammer, impact drill,
impact nut runner, grinder injuries may be sustained by
transition of tool vibrations to the hands.
Risks
Vibrations may cause vascular spasms (prickling and pain) in the
surface veins. The fingers turn white, cold and senseless. Also
nerves, muscles, bones, sinews and joints may be injured.
The risk of injury is believed to increase by smoking and also by low
temperatures e.g. if the tools are cold or if the hands are exposed to
chilling air.
The injuries become apparent especially when the fingers are cold,
often when not working.
Vibration injuries are curable if taken care of in time.
Protective measures
Use heavy gloves. Gloves provide some protection against vibrations
and low temperatures.
Alternate between vibration-free and vibrating jobs to provide the
body with a possibility to rest from vibrations.
By varying the work posture and grips, the body is not one-sidedly
exposed to vibrations.
Avoid smoking before and during the work to help the blood circula-
tion as much as possible.
If you notice any signs of vibration injury consult a doctor.
Protection against vibration
• Heavy gloves
• Alternate jobs
• Do not smoke before and during the work
Vibration
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