TM 5-6675-316-14
Control or Indicator
Function
Interpupillary Distance Lock
Locks spacing between eyepieces
(Must be unlocked to change
Rhomboid Focus Knobs
eyepiece spacing).
Focus individual rhomboid
optical assembly.
Adapter Slide Lock Screws
Lock adapter slide in stereo-
scopic or monoscopic position.
Left Eyepiece Focus Control Ring
Focuses left optical system
(after right system is focused
by moving up and down).
Independent Zoom Control Knobs
Controls magnification of right
or left optical systems.
5-5. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES.
a.
Before You Operate.
Always keep in mind the WARNINGS and CAUTIONS. Perform
your before (B) PMCS.
b. While You Operate.
Always keep in mind the WARNINGS and CAUTIONS. Perform
your during (D) PMCS.
c.
After You Operate.
Be sure to perform your after (A) PMCS.
d.
If Your Equipment Fails to Operate.
Troubleshoot with proper equipment.
Report any deficiencies using the proper forms. See DA Pam 738-750.
5-5.1 PMCS Procedures.
PMCS are designed to keep the equipment in good working condition by
performing periodic service tasks.
b. Service intervals provide you, the operator, with time schedules that determine
when to perform specified service tasks.
c.
The “Equipment is Not Ready/Available If” column is used for identification of
conditions that make the equipment not ready/available for readiness reporting
purposes or denies use of the equipment until corrective maintenance is performed.
d. If your equipment fails to operate after PMCS is performed, immediately report
this condition to your supervisor.
5-3
