If necessary, drill and ream a new hole (9) in level
bar (1) and bracket (4) for pin (3). Insert pin using
CHECKING AND ADJUSTING LEVEL VIALS
Check that bubbles are centered within the width of 1
graduation in the elevation (1) and cross-level (2)
vials. If not centered, proceed to adjusting level
vials. Refer to steps 2 thru 5.
With the telescope mount level in both directions,
loosen externally threaded rings (3).
Adjust two eccentric rings (4), and two eccentrics (5)
using a screwdriver, or fabricated two piece eccentric
tool and screwdriver, and center bubble in cross-
level vial (2) and elevation level vial (1). Refer to TM
Apply sealing compound (item 10, appx C) to
threads of two externally threaded rings (3).
Tighten two externally threaded rings (3).