TM 9-2350-287-20-12-19. TROUBLESHOOTING CHART (continued).It.HYDRAULIC SYSTEMS, ELECTRICAL (continued).(1) UPPER REAR DOOR DOES NOT GO UP ORDOWN .Initial Setup:Tools/Test Equipment:Equipment Conditions:l Digital multimeter (DMM) (item 13, Appendix 1)l MASTER switch set to OFF (refer to TMl General mechanic’s tool kit (Item 24,9-2350-287-10).Appendix 1)NOTE• instead of using multi meterfor voltage check, STE/lCEtroubleshooting, lNDIVIDUALBATTERY VOLTAGE TEST-TEST89 may be performed.• Instead of using multi meterfor continuity check, STE/iCEtroubleshooting, TEST 91 maybe performed.A. 1. Turn MASTER switch ON (refer to TM 9-2350-287-10).2. Activate hydraulic system (refer to TM 9-2350-287-10).3. Attempt to open and close upper rear doorusing top upper rear door switch and bottomupper rear door switch.4. Observe upper rear door for proper opera-tion.5. Deactivate hydraulic system (refer to TM9-2350-287-10).6. Turn MASTER switch OFF (refer to TM 9-2350-287-10).Does either switch fall to open or close door?The following procedures will workfor either the top upper rear doorswitch or the bottom upper rear doorswitch.Continued on next page2-281
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