SELECTING PROPER SPEEDS
Different speeds are required depending
upon the type of operation being
performed. The following chart outlines
those basic speeds:
GENERAL
WARNING: When servicing, use
only identical Mastercraft
®
parts. Use of
any other part may create a hazard or
cause product damage.
DO NOT use solvents when cleaning
plastic parts. Most plastics are susceptible
to damage from various types of
commercial solvents and may be damaged
by their use. Use clean cloth to remove dirt,
dust, oil, grease etc.
WARNING: Do not at any time
allow brake fluids, gasoline, petroleum-
based products, penetrating oils, etc. to
come in contact with plastic parts. They
contain chemicals that can damage,
weaken or destroy plastic.
DO NOT abuse power tools. Abusive
practices can damage the tool as well as
the workpiece.
WARNING: DO NOT attempt to
modify this rotary tool or create
accessories not recommended for use.
Any such alteration or modification is
misuse and could result in a hazardous
condition leading to possible serious
injury. It will also void the warranty.
LUBRICATION
All of the bearings in this rotary tool are
lubricated with a sufficient amount of high-
grade lubricant for the life of the unit under
normal conditions. Therefore, no further
lubrication is required.
WARNING: Have you read
“POWER TOOL SAFETY”,
“SPECIFIC SAFETY RULES”,
EXTENSION CORD SAFETY” and
“SYMBOLS” on pages 3, 4, 5, 6, 7
& 8 of this Manual? If not, please
do it now before you operate this
rotary tool. Your safety depends
on it!
Every time you use the rotary tool
you should verify the following:
1. Accessory is in good
condition and not damaged in
any way.
2. Workpiece is properly
secured.
3. Safety glasses are being
worn.
Failure to adhere to these safety
rules can greatly increase the
chances of injury.