Adjustments
3.Rotational Alignment Check:
While holding the arm with one hand, hold fingers of other hand as shown, between col- umn tube and column support. Apply gentle
Alignment Adjustments
Note: If Vertical Alignment was OK and adjustment is not needed, proceed to step 6.
1.Loosen (2) 1/4 - 20 Gib socket cap screws on the left side at the rear of the col- umn support slightly (1/2 turn).
2.Vertical Adjustment:
Using the closed end of a box wrench, tighten all of the
3.Elevate and then lower the Arm using the elevation crank.
4.If the column tube binds and elevation is difficult, go back to step 2 and loosen the screws until you achieve smooth but firm ele- vation, recheck step 3.
5.Repeat "Vertical Alignment Check".
a.If vertical misalignment still exists, repeat steps 2 through 4.
b.If vertical misalignment no longer exists, and you have achieved smooth but firm elevation, proceed to step 6.
6.Rotational Adjustment:
Tighten the (2)
7.Repeat "Rotational Alignment Check"
a.If rotational misalignment still exists, repeat step 6.
b.If rotational misalignment no longer exists, and you have achieved smooth but firm elevation, this alignment procedure is complete.
Fig. 1
Front
Brass Set Screw
Bright Plated
Bolts
Tighten
Loosen
Fig. 2
Front
Gib Socket
Capscrews
Hex “L” Wrench (Supplied)
Fig. 3
23