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leveling table
Adjusting Table
Parallel to Boring
Head
If the table is not parallel to the boring head, drilled
holes will be at an angle or at different depths.
To check and adjust the table parallel to the
boring head:
1.
DISCONNECT THE BORING MACHINE
FROM POWER!
2.
Use a dial indicator or a planed piece of
stock to measure the distance between the
table and boring head at the four corners of
the boring head (refer to the X's illustrated in
Figure 27).
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Figure 27. Measurement points (X's) for table
and boring head parallelism (top view).
— If these distances are not equal, the table
and boring head are not parallel to one
another. Continue to Step 3.
— If these distances are equal, the table and
boring head are parallel, and no further
adjustments are necessary.
Model G0642 15-Bit Line Boring Machine
3.
Loosen the cap screws that secure the cross
fence (see Figure 28), and shim between the
mounting bracket and the cross fence.
Shim Here
Cap Screw
(1 of 4)
Figure 28. Adjusting table parallelism.
4.
Re-tighten the cross fence cap screws, and
re-check the parallelism of the table and
boring head. Repeat this procedure if neces-
sary.
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Longitudinal
Fence & Table
-25-
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