ITEM INTERVAL ITEM TO BE PROCEDURES CHECK FOR AND HAVE REPAIRED OR ADJUSTED EQUIPMENT IS NOT READY NO. B    D    A D    W   M    Q   S A INSPECTED AS NECESSARY AVAILABLE IF TM 55-1930-209-14&P-7 Table C-1.  Preventive Maintenance Checks and Services for Compressed Air System (Continued) B - Before D - Daily Q - Quarterly D - During W- Weekly S - Semiannually A - After M - Monthly A - Annually 6)   When receiver pressure gauge reads Air does not at least 100 psi, check receiver safety escape from valve by puling safety link If air does receiver valve. not escape from receiver valve repeat above procedures to install another new safety valve. 7)   Remove redtag from power panel 1 circuit breaker 3P5. j. Check that air pressure gauges on air pressure regulators 1 and 2 Indicate 40 psi.  If not, set pressure regulators 1 and 2 by turning adjusting screw on bottom of regulator clockwise to decrease and counterclockwise to increase air pres- sure beyond regulator. k.    Check for normal operation -when set Air pressure does on AUTO, compressor cycles on and off not maintain nor- to maintain proper air pressure.  If not mal level. normal, shut down using extendedshut- down procedures and troubleshoot Make repairs/adjustments as required. WARNINGS DO NOT use compressed air to clean cloth- ing or work space.  High pressure (HP) air turns small particles Into dangerous projec- tiles that may cause bodily Injury. When using compressed air to clean equip- merit, ALWAYS use protective shield to pro- tect eyes and face from flying particles. Wear gloves and avoid skin damage by closing buttons and collars and rolling down sleeves on clothing. C-6