Smithy GN1300 - Manual (Page 51)

Running in the Lathe
Perform these operations to familiarize yourself with lathe operation.
Step 1: Position the carriage and cross-slide table to a mid-range position.
Step 2: Keep the lathe/mill clutch in the lathe position from the previous steps.
Step 3: Position the powerfeed function selector to lathe operation.
Step 4: Position the leadscrew direction selector. This is just an operation check, it
doesn’t matter if the position is in the clockwise or counter clockwise position.
Step 5: Position the powerfeed/thread selector lever (1-7) in position 7.
Step 6: Position the powerfeed/thread selector lever (I-III) in position III.
Step 7: Push the green button to start the motor.
Step 8: Use the variable speed selector to slowly increase motor speed to between 150
and 200 rpm.
Step 9: Engage the half nut engagement lever and observe the longitudinal movement
of the carriage assembly. Disengaged the half nut.
Step 10: Move the longitudinal and lateral powerfeed selector to the longitudinal
position. (Move the handle to the left and down.) Observe the slower longitudinal
movement of the carriage assembly.
Step 11: Move the longitudinal and lateral powerfeed selector to the neutral position.
Step 12: Move the longitudinal and lateral powerfeed selector to the lateral position.
(Move the handle to the right and up.) Observe the lateral movement of the cross-slide
table.
Step 13: Move the longitudinal and lateral powerfeed selector to the neutral position.
Step 14: Turn the variable speed selector to zero.
Step 15: Push the red mushroom stop switch to stop the lathe.
! NOTICE !
The half nut engagement lever is used primarily for
threading operations and for manual longitudinal feed
movement.
! NOTICE !
The longitudinal and lateral powerfeed selector is used to
move the carriage assembly for all lathe operations
except threading.
Granite 1300 Series Operator’s Manual
5-21 For Assistance: Call Toll Free 1-800-476-4849