Grizzly T10808 specifications Safety for Chucks, Using Correct Equipment . Many

Safety for Chucks

ENTANGLEMENT. Entanglement with a rotat-	PROPER MAINTENANCE. All chucks must be
ing chuck can lead to death, amputation, broken	properly maintained and lubricated to achieve
bones, or other serious injury. Never attempt to	maximum clamping force and withstand the rigors
slow or stop the lathe chuck by hand, and always	of centrifugal force. To reduce the risk of a thrown
roll up long sleeves, tie back long hair, and remove	workpiece, follow all maintenance intervals and
any jewelry or loose apparel BEFORE operating.	instructions in this document.

CHUCK SPEED RATING. Excessive spindle speeds greatly increase the risk of the workpiece or chuck being thrown from the machine with deadly force. Never use spindle speeds faster than the safe limits of your chuck and workpiece.

DISCONNECT POWER. Serious entanglement or impact injuries could occur if the lathe is started while you are adjusting, servicing, or installing the chuck. Always disconnect the lathe from power before performing these procedures.

USING CORRECT EQUIPMENT. Many	TOP JAW TYPES. Mixing top jaw types will create
workpieces can only be safely turned in a lathe if	an unbalanced and off-center load that could fly
additional support equipment, such as a tailstock	from the lathe and cause personal injury or prop-
center, is used. If the operation is too hazardous	erty damage. Use all four top jaws of the same
to be completed with the lathe or existing equip-	type when securing workpiece.
ment, the operator must have enough experience
to know when to use a different machine or find a	POWER TOOLS. Do not use power tools on cap
safer way.	screws or grip studs, which can easily damage the
TRAINED OPERATORS ONLY. Using a chuck	threads and cause the component to fail during
	operation. A workpiece or chuck component not
incorrectly can result in workpieces coming	properly secured can fly off during operation and
loose at high speeds and striking the operator or	cause serious personal injury.
bystanders with deadly force. To reduce the risk of
this hazard, read and understand this document	TENON/RECESS SIZE. Size the tenon or recess
and seek additional training from an experienced	properly and choose the correct jaw configuration
chuck user before using a chuck.	so that there is the greatest possible amount of
CHUCK CAPACITY. Avoid exceeding the capac-	surface contact between jaws and workpiece. The
	greater the surface contact, the greater the grip-
ity of the chuck by clamping an oversized work-	ping power!
piece. If the workpiece is too large to safely clamp
with the chuck, use a faceplate or a larger chuck	FLAT JAWS. Flat jaws (or cole jaws) provide the
if possible. Otherwise, the workpiece could be	least gripping power of the jaw types. Always use
thrown from the lathe during operation, resulting in	slow speeds when using flat jaws.
serious impact injury or death.
CLAMPING FORCE. Inadequate clamping force	SAFETY SET SCREW. The safety set screw
	under bottom jaw #4 prevents the jaws from mov-
can lead to the workpiece being thrown from the	ing beyond safe engagement with the scroll gear.
chuck and striking the operator or bystanders.	If this should happen, the jaws and workpiece
Maximum clamping force is achieved when the	could fly off the chuck during operation resulting
chuck is properly maintained and lubricated, all	in serious personal injury to operator or bystand-
jaws are fully engaged with the workpiece, and	ers. Always make sure this set screw is properly
the maximum chuck clamping diameter is not	installed and tightened when using the chuck.
exceeded.

Model T10808 Wood Lathe Chuck Set -3-