TM 9-243
USING A COMBINATION SQUARE - Continued
4.
Tighten setscrew (3).
5.
Remove the combination square and read the
depth at the intersection of the rule and the
square
head
(4).
CARE OF SQUARES
Make sure squares are kept clean.
Apply a light coat of oil to all metal surfaces after using.
A square with a loose stock is no good. Replace the
square.
13-8
