Southbend SB1025 User Manual

Page of 100
-38-
For Machines Mfg. Since 8/09
SB1024/SB1025/SB1026
O P E R A T I O N
3.
  Press the spindle speed range lever shown 
in Figure 32 toward the head to release 
the detent pin from the detent plate, move 
selector so that the pin is over the other 
detent, then release the selector.
— When the selector is pointing to the rear 
and the front detent is engaged, the low 
speed range is selected. Conversely, when 
the lever is pointing toward the front and 
the rear detent is engaged, the high speed 
range is selected.
Note:
 If it is difficult to move the range selector, 
rotate the spindle by hand to help mesh the 
gears until the selector moves freely.
Setting SB1024 Spindle Speed Range
1.
  Make sure that the spindle rotation is 
turned OFF and the spindle is at a complete 
stop.
2.
  Use the chart below to find the spindle speed 
range that includes the required spindle 
speed for your operation.
Model SB1024 Spindle Speed Ranges
Low Range
60–500 RPM
High Range
500–4200 RPM
When the spindle speed range is changed, 
the direction of spindle rotation will reverse. 
ALWAYS know which way the spindle 
is rotating before beginning the cutting 
operation.
4.
  Make sure the selector detent pin is well 
seated by attempting to move the selector 
without pressing it toward the head.
— If the detent pin is well seated, the 
selector will not move when you attempt 
to move it as instructed above.
— If the selector does move when you 
attempt to move it as instructed above, 
then re-position the selector so that the 
pin is firmly seated in the detent plate.
5.
 Perform 
the 
Meshing Spindle & Spindle 
Clutch
 
procedure as instructed on Page 40 
to make sure the front spindle pulley and 
pinion are properly seated into the bull gear.
Figure 32. Model SB1024 spindle speed range 
selector.
Model SB1024
Spindle Speed
Range Selector
High
Low
Detent 
Plate