2-306.22 Change 4TM 9-2350-267-20CREW AUTOMATIC FIRE EXTINGUISHING SYSTEMFIRE DETECTION TEST AND ALARMCREW BOTTLES NOT FULLY DISCHARGING/ NOT EXTINGUISHINGPANEL INDICATORSFIRES.(EFFECTIVE FOR ALL VEHICLES)Before troubleshooting AFES, check the following:1 Make sure MASTER switch is set to OFF (TM 9-2350-267-10).2 Left projectile rack assembly moved to rear of vehicle (TM 9-2350-267-10).3 Make sure crew AFES T/A panel Maintenance switch is turned tomaintenance position (p 14-14.5).NOTEl Instead of using multimeter for voltage check, STE/ICE troubleshooting,INDIVIDUAL BATTERY VOLTAGE TEST-TEST 89 may be per-formed.l Instead of using multimeter for continuity check, STE/ICE troubleshoot-ing, TEST 91 maybe performed.A.BCheck pressure gage of crew fire extinguisher. The black needle of the pressuregage should be inside the green wedge. If pressure gage needle is in the correctposition, go to step B. If needle indicated low pressure, replace crew fireextinguisher cylinder bottle (p 14-28.3). Verify problem is solved.Check dispersal nozzles for proper installation. Red notch on dispersal nozzleshould line up with red notch on bottle assembly. If nozzles are alined properly,recheck step A for correctness. Verify problem is solved. If nozzle is not alinedproperly, install dispersal nozzle in bottle assembly. Backup nozzle not morethan 1 full turn to line up red notches. Verify problem is solved.
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