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assembly and alignment
STEP TWO
ADJUSTING COLUMN TUBE IN COLUMN SUPPORT
NOTE: The following adjustment is very CRITICAL. All
future alignment procedures rely on this adjustment being
performed correctly. ALL LOOSENESS MUST BE
REMOVED.
1. Index and lock arm at 0 ° Miter.
While holding the arm with one hand, hold fingers of
other hand as shown, between column tube and column
support. Apply gentle side pressure to the arm in
opposing d,rections. Any side to side or rotational
movement (indicated by arrow) can be felt with finger.
If looseness exists the following adjustments are
required.
2. Loosen (2) "& - 20 Gib set screws on the left side at the
rear of the column support.
3. Elevate, and then lower the Arm: (a)if the column
binds and elevation is difficult loosen two 5/16 - 18
plated bolts on front side of the column support until
you achieve smooth but firm elevation. (b) If the
column moves side-to-side within the column support,
tighten the two 5/16 -- 18 plated bolts until movement
disappears elevation should be smooth and firm.
4. Now tighten the (2) 1/__ 20 Gib set screws until no
noticeable rotational play exists between Column Tube
and Column Support.
5. Recheck elevation and re-adjust if necessary.
14
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