-21-
Model M1112 (For Machines Mfd. Since 12/20)
O
PE
R
ATIO
NS
OPERATIONS
General
Always wear safety goggles when oper-
ating this lathe. Failure to comply may
result in a serious eye injury resulting
in blindness.
Spindle Speeds
The spindle speed or RPM is controlled by the speed
control levers (
Figure
21).
Use the chart in
Figure
22 to
find the best spindle speed required for your task.
The chart to the right shows the various combinations of
knob positions for achieving a desired speed.
Example:
To select a spindle speed of 270 RPM, move the alpha
lever until the indicator arrow points to
A
. Move the
numeric lever so it points to
I
(
Figure
21).
The Model M1112 will perform many types of operations
that are beyond the scope of this manual. Many of these
operations can be dangerous or deadly if performed
incorrectly.
The instructions in this section are written with the
understanding that the operator has the necessary
knowledge and skills to operate this machine.
If at any
time you are experiencing difficulties performing any
operation, stop using the machine!
If you are an inexperienced operator, we strongly
recommend that you read books, trade articles, or seek
training from an experienced lathe operator before
performing any unfamiliar operations.
Above all, your
safety should come first!
Complete the Test Run and Break-In procedure on
Page 17 before using this lathe for any cutting or
threading operations; otherwise, gear box damage
may occur.
NOTICE
Figure
21
.
Spindle control levers.
Figure
22
.
Speed chart.
I
II
III
SPINDLE SPEED
Securely clamp your workpiece and
remove the chuck key! Thrown objects
from a lathe can cause serious injury or
death to the operator and to bystanders
many feet away.
