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For Machines Mfg. Since 8/09 Model SB1027
-51-
SERVICE
Figure 58. Table gib and adjustment screw
underneath the left side of the table.
Table Gib &
Adjustment Screw
Figure 59. Saddle gib and adjustment screw.
Saddle Gib &
Adjustment Screw
Figure 60. Knee gib and adjustment screw.
Knee Gib &
Adjustment
Screw
Adjusting Leadscrew
Backlash
Leadscrew backlash is the amount the leadscrew
rotates before the attached device begins to
move.
Although the mill is equipped with double-
bronzed longitudinal and cross leadscrew nuts to
minimize backlash, leadscrews will always have
a certain amount of backlash that will increase
with normal wear.
Generally, 0.005"–0.010" leadscrew backlash
is acceptable to ensure smooth movement and
reduce the risk of premature thread wear.
However, if you find it necessary to adjust
leadscrew backlash, perform the procedures
listed below.
Tools Needed Qty
T-Handle Hex Wrench 5mm .................................1
Hex Wrench 3mm .................................................2
Hex Wrench 8mm .................................................1
Wrench 19mm .......................................................1