TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).v. AFES, ENGINE (continued).(7) AFES MEGOMETER TROUBLESHOOTINGPROCEDURESInitial Setup:Tools/Test Equipment:l Engine AFES Test/Alarm panel MAINT switch inl Digital multimeter (DMM) (Item 13, Appendix 1)maintenance position (para 21-2).l Megometer kit (Item 37, Appendix 1)l AFES fire extinguisher bottle harnessesdisconnected (para 7-78).Equipment Conditions:l MASTER switch set to OFF (refer to TM9-2350-287-10).NOTEl Instead of using multi meterfor voltage check, STE/lCEtroubleshooting,INDIVIDUALBATTERY VOLTAGE TEST-TEST89 maybe performed.l Instead of using multi meterfor continuity check, STE/lCEtroubleshooting, TEST 91 maybe performed.A.1. Make sure the green POWER ON lamp isoff, indicating the power has been removedfrom the AFES.2. Connect the test box to engine AFES T/Apanel and wire harness 12352354 connectorusing test cables TC4 and TC5.3. Set the test box switches as follows:a. FIREWIRE TEST to NORMALb. AUTO FEXT to ACTIVEc. MAN FEXT to ACTIVE4. Turn MASTER switch ON (refer to TM 9-2350-287-10).5. Turn the engine AFES T/A panelMaintenance switch to the horizontal posi-tion and check to see that the green POWERON lamp is on, indicating that the AFES ispowered and fully operational.6. observe the test box Ieds.Continued on next page2-338
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