5.8 TIME RELAY K3, K10, K13, K17, K25, K26 MAINTENANCE

Figure 5-19 Control Cabinet Assembly, Auxiliary Contactor with Semiconductor, Auxiliary Contactor, Transformer, Maintenance.

TESTING - TM-9-6115-668-13_461

TM-9-6115-668-13 5Kw 28VDC Auxiliary Power Unit (APU) MEP 952B Manual
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TM 9-6115-668-13 5.8 TIME RELAY K3, K10, K13, K17, K25, K26 MAINTENANCE. This task covers: a. Removal c. Adjustment b. Testing d. Installation Equipment Conditions General Mechanic’s Tool Kit (item 2, appendix B) Automotive Fuel and Electrical System Repair, Tool Kit (item 3, appendix B) Watch, stop (item 5, appendix B) Reference Generator Set 150 kW shut down, paragraph 2.5.2 Materials/Parts Cable ties (item 10, appendix E) WARNING Disconnect the negative battery cable first and then the positive bat- tery terminal cables. Failureto observe this warning could result in se- vere personal injury or death. CAUTION Tag all cables prior to removal to ensure correct connection of the cables during installation. REMOVAL 1. Open flap (2, figure 5-23) on unit hood assembly (1). 2. Open front panel (2) and secure with prop (5). N O T E The removal procedure for time relay K3 (40), K10 (42), K13 (43), K17 (45), K25 (44) Is the same as for time relay K26 (19), described below. 3. Record labeling and position of cables (26) to upper terminals (25) of time relay K26 (19), loosen screws (24), and disconnect cables (26). 4. Record labeling and position of cables (29) to upper terminals (28) of time relay K26 (19), loosen screws (27), and disconnect cables (29). 5-102

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