ARMY TM 9-6115-464-12AIR FORCE TO 35C2-3-445-1NAVY NAVFAC P-8-624-124-66 DC CONTROL CIRCUIT BREAKER.a.Removal.(1) Tag and disconnect electrical leads to DC circuit breaker Figure 4-43).(2) Remove mounting nut and tooth lockwasher to remove circuit breaker.b. Cleaning and Inspection.(1) Clean DC circuit breaker with filtered compressed air and a soft bristle brush or wipe with a clean,lint-free cloth lightly moistened with an approved solvent.(2) Visually inspect circuit breaker for cracks, corrosion, stripped or damaged threads and evidence ofshorting or other damage.c.Testing.(1) Using an ohmmeter, check for open circuit across circuit breaker terminals.(2) Depress circuit breaker button and check ohmmeter indication. Ohmmeter shall indicate continuity.(3) Replace circuit breaker if above test requirements are not met.d. Installation.(1) Position DC circuit breaker and install tooth lockwasher and mounting nut (Figure 4-43).(2) Connect electrical leads to DC circuit breaker.4-67 LOAD MEASURING UNIT.a.Removal.(1) Tag and disconnect electrical connector from load measuring unit (Figure 4-44).(2) Remove screws and tooth lockwashers to remove load measuring unit.b. Cleaning and Inspection.(1) Clean load measuring unit with filtered compressed air and a soft bristle brush or wipe with a dean,lint-free cloth lightly moistened with an approved solvent.(2) Visually inspect load measuring unit for cracks, dents, corrosion, stripped or damaged threads, bentor broken connector pins, and evidence of shorting or other damage.(3) Replace load measuring unit if damaged or inoperable.c.Installation.(1) Position load measuring unit and install tooth lockwashers and screws (Figure 4-44).(2) Connect electrical connector to load measuring unit.4-105
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