ARMY TM 9-6115-672-14 AIR FORCE TO 35C2-3-444-32 MARINE CORPS TM 09244A/09245A-14 4-49 SECTION VI. UNIT MAINTENANCE PROCEDURES 4.6 MAINTENANCEOFDCELECTRICALSYSTEM. __________ WARNINGWhen disconnecting or removing batteries, disconnect the negative lead that connects directly to the grounding stud first. Disconnect the negative end of the interconnection cable next. When installing batteries, reverse the connection sequence. Failure to comply can cause serious personal injury. 4.6.1 Introduction. This section contains unit maintenance procedures for the DC electrical system. Deficiencies noted during inspection or repair which are beyond the scope of unit maintenance shall be reported to the next higher level of maintenance. 4.6.2 BatteryandSLAVERECEPTACLECables. __________ WARNINGBatteries give off a flammable gas. Do not smoke or use open flame when performing maintenance. Failure to comply can cause injury or death to personnel and equipment damage due to flames and explosion. __________ WARNINGBattery acid can cause burns to unprotected skin. Wear protective gloves and safety goggles. Failure to comply can cause personal injury. __________ WARNINGDC voltages are present at generator set electrical components even with generator shut down. Avoid shorting any positive terminal with ground/negative. Failure to comply can cause injury to personnel and damage to equipment. __________ WARNINGMetal jewelry can conduct electricity. Remove metal jewelry when working on electrical system or components. Failure to comply can cause injury or death to personnel by electrocution. NOTE This procedure is typical for the positive, negative, and interconnect battery cables, and the positive and negative NATO SLAVE RECEPTACLE cables. a. Inspection. (1) Shut down generator set, paragraph 2.11.2. (2) Open BATTERY ACCESS door and right side engine compartment access doors (Figure 1-2).
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