Section V TROUBLESHOOTINGGENERALThis section contains troubleshooting, testing and repair informa-tion to fix the M992 vehicle. Make sure the problem is real. Be sureelectrical or hydraulic power is ON when it is needed. Use the QuickGuide to Troubleshooting (p 2-51) and the Troubleshooting ChartsNOTEIf the problem is not listed or if you are unable tocorrect it, notify Support Maintenance.(p 2-61) by following the instructions below.ELECTRICAL CHECKS AND TESTSWARNINGRemove all jewelry and wristwatches before work-ing on electrical circuits.NOTEProper operation of electrical components requiresproper grounding. In all troubleshooting pro-cedures of components which depend on screws orphysical contact for their electrical ground, usejumper wire connected between the componentand the hull to check component operation. If com-ponent then operates, a faulty ground is indicated.Clean ground contact surfaces and tighten screws,or repair/replace ground wires found to bedefective.ATM 9-4910-571-12&P provides instructions for operation and useof Simplified Test Equipment/Internal Combustion Engines(STE/ICE) during vehicle testing.BA Vehicle Test Card for use with STE/ICE is located on 2-48.47.cProcedures for performing STE/ICE tests referenced in thetroubleshooting can be found in Section IV of this chapter.2-49Change 1TA312685TM 9-2350-267-20
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