Smithy GN1300 - Manual (Page 22)

Powerhead Components & Functions
A. Lathe/Mill Clutch - This clutch engages the mill portion of the Smithy Granite Lathe-
Mill-Drill when pulled out and moved to the left. When moved to the right the lathe is
engaged. Center position is neutral.
B. Speed Dial - The speed dial controls the motor rpm. Rotating clockwise increases the
speed.
C. Forward/Reverse & On/Off Switch - The red toggle button underneath the yellow
cover reverses the direction of the motor. The green middle button is the “power-on”
button. The large red button is the stop button and cuts power to the machine.
D. Powerfeed Function Lever - Moving the lever to the left, powers the lathe
powerfeed. Moving the lever to the right powers the mill powerfeed.
E. Leadscrew Rotation Direction Handle - Positioning this handle to the right
causes the leadscrew to rotate clockwise. Positioning to the left causes the leadscrew to
rotate counterclockwise.
F. Selector Lever 1-7 - Used in conjunction with Selector Lever I-III to set feed rate or
pitch setting for cutting threads.
G. Selector Lever I-III - Used in conjunction with Selector Lever I-7 to set feed rate
or pitch setting for cutting threads.
H. Jog Knob - Assists in meshing gears inside the quick change gear box which is
controlled by selector levers 1-7 and I-III. Rotating the knob helps align gears
I. Oil Level/Sight Glass - Normal oil level is at the half way point, add oil if the level
of oil in the sight glass drops below this level.
J. Quick Change Gear Box - Houses the gears that determine feed rates and gear
settings for cutting threads.
Figure 4.5 Granite Powerhead Parts (Front View)
A
B
C
D
E
F
G
H
I
J
4: Machine Overview
4-5 Or Visit www.smithy.com