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For Machines Mfg. Since 3/11 Turn-Nado
®
Gearhead Lathes
-63-
OPERATION
The chip drawer catches swarf and metal chips
during the machining process. It contains a
screen that keeps the large chips from returning
to the reservoir with the run-off coolant—this
prevents the chips causing pump damage.
Also, it slides open and is removable for cleaning
(see Figure 88).
Chip Drawer
The chip drawer is very heavy. Unless
removing the chip drawer for cleaning, do
not pull it out more than halfway to prevent it
falling and causing impact injuries. If removing
the drawer for cleaning, get assistance!
Always use high quality coolant and follow the
manufacturer's instructions for diluting and
maintenance. The quick reference table shown
in Figure 90 can help you select the appropriate
fluid.
Refer to Coolant System Service on Page 74
for detailed instructions on how to add or change
fluid. Check the coolant regularly and promptly
change it when it becomes overly dirty or rancid,
or as recommended by the fluid manufacturer.
X X
X X X
X X X X
X
X X
X X X X
X X X X
Aluminum
Brass
Bronze
Cast iron
Low Carbon Steel
Alloy Metals
Stainless Steel
General Note: Coolants are used for heavy-duty lathe operations and production turning. Oil-water
emulsions and synthetic cutting fluids are the most common for typical lathe operations. Sulferized oils
often are used for threading. For small projects, spot lubrications can be done with an oil can or brush, or
omitted completely.
Workpiece Dry
Water
Soluble Oil
Synthetic
Coolants
Sulferized
Oil
Mineral
OIl
Figure 90. Coolant selection table.
Coolant System
When the coolant pump is turned ON, the fluid
is delivered through the nozzle attached to the
carriage. The flow is controlled by the valve lever
at the base of the nozzle (see Figure 89).
Figure 89. Coolant flow controls.
Valve
Lever
Coolant Pump
OFF & ON
Buttons
Figure 88. Chip drawer.
Chip
Drawer