Southbend SB Controls Components, Master Power Switch, Headstock, I N T R O D U C T I O N

	I N T R O D U C T I O N
For Machines Mfg. Since 5/11		13" Heavy 13® Gearhead Lathe

Controls &

Components

Refer to Figures 2–6and the following descriptions to become familiar with the basic controls of this lathe.

Master Power Switch

The rotary switch shown in Figure 2 toggles incoming power ON and OFF to the lathe controls. It also prevents the electrical cabinet door from being opened when the switch is ON.

Master

Power Switch

Figure 2. Location of the master power switch.

A.Quick-Change Gearbox Levers: Control the leadscrew and feed rod speed for threading and feed operations.

B.Headstock Feed Direction Lever: Controls the direction that the leadscrew and feed rod rotate.

C.Gearbox Range Lever: Shifts the quick- change gearbox into low range, neutral, or high range.

D.Threading and Feed Charts: Display the necessary configuration of the gearbox levers and end gears for different threading or feeding options.

E.Spindle Speed Lever: Selects one of the four available spindle speeds within the selected speed range.

F.Spindle Range Lever: Selects the spindle speed high range (to the left) or the low range (to the right).

Headstock

F

C

E

B

A

D

Figure 3. Headstock controls.

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