TM 9-2350-287-10Table 2-1. Preventive Maintenance Checks and Services for Model M992A1LocationItem IntervalCrewmemberNot Fully MissionNo.Item toProcedureCapable If:Check/ServiceDRIVER13 BeforeGlow PlugS y s t e mNOTEA functional check of the glow plugsystem must be performed wheneveroperation in ambient temperaturesbelow 50°F (5.5%) is anticipatedand after any maintenance isperformed on the glow plug system.a. Turn MASTER switch to ON.b. Position GLOW PLUG switchto ON, then release.c. If temperature is 50°F (5.5%) orc. GLOW PLUGabove, the GLOW PLUG lamp willlamp does not lightlight for one second, then go off.or go off.d. If temperature is below 50°Fd. GLOW PLUG(5.5°C) the GLOW PLUG lamp willlamp does not light,light for 35 seconds, flash on and off flash, or turn off.for a minute, and then go off.GLOWPLUGLAMPChange 12-39
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