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Vibration Safety
This tool vibrates during use.  
Repeated or long‑term exposure to vibration may 
cause temporary or permanent physical injury, 
particularly to the hands, arms and shoulders.  
To reduce the risk of vibration‑related injury:
a.  Anyone using vibrating tools regularly or for an 
extended period should first be examined by a 
doctor and then have regular medical check‑
ups to ensure medical problems are not being 
caused or worsened from use.  Pregnant women 
or people who have impaired blood circulation 
to the hand, past hand injuries, nervous system 
disorders, diabetes, or Raynaud’s Disease 
should not use this tool.  If you feel any symptoms 
related to vibration (such as tingling, 
numbness, and white or blue fingers), seek 
medical advice as soon as possible.
b.  Do not smoke during use.  Nicotine reduces 
the blood supply to the hands and fingers, 
increasing the risk of vibration‑related injury.
c.  Wear suitable gloves to reduce the 
vibration effects on the user.
d.  Use tools with the lowest vibration 
when there is a choice.
e.  Include vibration‑free periods each day of work.
f.  Grip tool as lightly as possible (while still keeping 
safe control of it).  Let the tool do the work.
g.  To reduce vibration, maintain the tool as 
explained in this manual.  If any abnormal 
vibration occurs, stop use immediately.
GROUNDING
TO PREVENT ELECTRIC SHOCK AND 
DEATH FROM INCORRECT GROUNDING: 
Check with a qualified electrician if you 
are in doubt as to whether the outlet is 
properly grounded.  Do not modify the power cord 
plug provided with the charger.  Do not use the 
charger if the power cord or plug is damaged.  
If damaged, have it repaired by a service facility 
before use.  If the plug will not fit the outlet, 
have a proper outlet installed by a 
qualified electrician.
Extension Cords
Note:  Extension cords must not be 
used with this item’s Charger.