grime, grease, or other foreign materials are to
be removed from dial covers and cases, use a
solution of water and a mild soap or detergent.
Extreme cases may require the use of more ac-
tive compounds for the removal of foreign ma-
terials. Wipe off all moisture after cleaning.
Caution: Use only approved cleaning com-
Follow the directions carefully when applying.
Service the controls of the pneumatic system by
Figure 13. Quick disconnect fitting,
removing oil, grit, grime, dirt, mud, grease, and
other foreign materials before and after opera-
tion. Materials to be used in cleaning controls
are the same as those used in cleaning instru-
ment dials and cases.
c. Adjustments. Operator adjustment of in-
struments is accomplished by use of the control
provided. The operator should not attempt to
Figure 14. Air line layout, front view.