To adjust the gib for excessive clearance: Loosen the gib lock screw on the back of
the saddle. Estimate the amount of gib lock screw adjustment required, and tighten the
gib lock screw on the front of the saddle. Tighten the gib lock screw on the back end of
the saddle to lock the gib in place, and recheck. Repeat as necessary
To adjust the gib for too small of a clearance: Loosen the gib lock screw on the
front of the saddle. Estimate the amount of gib lock screw adjustment required, and
tighten the gib lock screw on the back of the saddle. Tighten the gib lock screw on the
front of the saddle to lock the gib in place, and recheck. Repeat as necessary.
7. Replace the front and rear chip wiper, and chip wiper guard.
Figure 39 - Saddle Side Gib Adjustment
5.2.1.4
Saddle Bottom Gib Adjustment, Y-Axis – SMX 2500 & 3500
See Figure 40.
1. Clean all swarf, dirt and excess oil from the table and saddle.
2. Centre the saddle on the bed ways.
3. Move the table fully to the left side of the saddle.
4. Attach a dial indicator with a magnetic base to the left front of the saddle. Place the indicator
stylus on the top surface of the box way.
5. Lift the end of the table up and note the amount of movement on the dial indicator. Adjust
the Y-axis left bottom gib until the registered movement is .02-04mm.
6. Move the table fully to the right.
7. Reposition the indicator to the right front of the saddle.
8. Lift the right end of the table up and note the amount of movement on the dial indicator.
Adjust the Y-axis right bottom gib until the registered movement is .02-.04mm
To adjust the gib for excessive clearance: Loosen the gib lock screw on the back of
the saddle. Estimate the amount of gib lock screw adjustment required, and tighten the
gib lock screw on the front of the saddle. Tighten the gib lock screw on the back end of
the saddle to lock the gib in place, and recheck. Repeat as necessary.
To adjust the gib for too small of a clearance: Loosen the gib lock screw on the
front of the saddle. Estimate the amount of gib lock screw adjustment required and
tighten the gib lock screw on the back of the saddle. Tighten the gib lock screw on the
front of the saddle to lock the gib in place, and recheck. Repeat as necessary.
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