Marathon Computer UNIPRO V3.5 - Manual (Page 6)

Marathon Monitors Inc
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Unipro 3.5 Process Control 1 Aug. 1997
3. Repeat step 2 for the opposite side of the unit.
4. With 1/8 inch HEX KEY wrench, alternately tighten bolts
on either side of the instrument to a torque of 4 in-lbs. (See warning
below). Insure rigidity of mounting.
Warning
To prevent warping of the unit's case, do not over tighten the
clamp bolts.
5. To remove the unit, loosen the side clamping brackets and
reverse steps 1 through 3 above.
Note