Purge and charge M115 panoramic telescope. Refer to TM 750-116.
Section VII. PREEMBARKATION INSPECTION PROCEDURES
Fire control instruments must be inspected for outward appearance, mechanical condition, and proper
b. Instruments must approach new equipment standards of operation and appearance. The workmanship and
quality must reflect the highest standards obtainable.
2-19. SPECIFIC INSTRUCTIONS. Fire control instruments must conform to the following specifications for overseas
a. Condition of Optical Element. Lenses, prisms, reticles, and windows must be free from dirt, scratches, pits,
and chips that will affect optical performance of the instrument.
b. Functioning of Mechanical Parts. Mechanical parts must operate smoothly without binding or rough motion.
Parts must be free from grit and must be properly lubricated.
General Appearance and Condition of the Instruments.
(1) All parts of the instruments must be present and free from defects.
(2) Paint must cover all specified surfaces. Repaint if painted surfaces show signs of damage.
(3) All optics must be free from any internal dirt and moisture. Excessive dirt or moisture indicates a
breakdown in sealing and is cause for rejection of the instrument.
(4) All scales must be easily read. All numbers and divisions must be clearly defined.
(5) All warning labels must be present and legible.
(6) Any fire control instrument failing to meet the requirements of the final inspection is unsatisfactory for