4.74 BATTERY SET MAINTENANCE.

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-668-13 4.74 BATTERY SET MAINTENANCE. This task covers: a. Removal b. Test c. Installation Tools Equipment Conditions General Mechanic’s Tool Kit Reference (item 2, appendix B) Generator Set 150 kW shut Automotive Fuel and Electrical System Repair, Tool Kit down, (item 3, appendix B) paragraph 2.5.2 WARNING Before removing the batteries, disconnect first the negative terminal and then the positive terminal of the battery set. Failure to observethis warning could result in severe personal injury or death. CAUTION Tag ail cables prior to removal to ensure correct connection of the cables during installation. 1. 2. 3. 4. 5. 6. 7. 8. 9. Open flap (3, figure 4-60) on unit hood assembly (1). Remove terminal cover cap (25). Loosen nut (27) on terminal connector of negative terminal and remove terminal connector with bat- tery cable (26). Remove terminal cover cap (28). Loosen nut (30) on terminal connector of positive terminal and remove terminal connector with bat- tery cable (29). Loosen nuts (42) on clamping device (41) and swing clamping device (41) aside. Remove upper part (37) of battery set holder from batteries (38, 39). Remove terminal cover caps (31, 32). Loosen nut (35) at terminal connector of positive terminal of battery (39) and nut (34) at terminal connector of negative terminal of battery (38) and remove battery cable (33). 10. Grasp batteries (38, 39) individually by lifting handles (36) and lift out of lower part (40) of battery set holder. 4-181

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