Table 2-2. Control Finger Functions
2-8. PREPARATION FOR USE. (CONT)
Release the end of formula chart (3) attached with spring-loaded clamps (6) by pulling
down on the right and left spring-loaded clamps and withdrawing formula chart bar (7).
Release the opposite end of formula chart (3) by withdrawing formula chart bar (7)
from right and left stationary clamps (8).
Carefully remove formula chart (3) from cylinder (2) by pulling outward on the end of
the chart that was secured by spring-loaded clamps (6).
Install formula chart as follows:
With contact fingers (1, FIG. 2-22) locked in place on cylinder (2), turn the cylinder until
the fingers are at the start position on the cylinder.
With formula chart (3) held so that the minute markers are in descending order, top to
bottom, attach the bottom of the chart to right and left stationary clamps (8).
Turn cylinder (2) until formula chart (3) wraps around the cylinder. The right edge of the
chart must be even with the right edge of the cylinder.
Unlock contact fingers (1) from cylinder (2) by pushing contact finger locking bar (4) in
slightly. While holding the locking bar in, pull locking clamp (5) up and release the
Pull contact finger locking bar (4) up and out and up until contact fingers (1) are not in
contact with cylinder (2).