Bristol Seabrook 447/5110-H. LR 13678 447/5110-H. LR 13678 Small 30 rpm electric motor for clock, modified to 230V 60Hz for clock.
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Bristol Saybrook Model 447/511D‑H is a small 30 rpm electric motor originally rated for 120 V 60 Hz, modified in this unit to 230 V 60 Hz. Common failure modes include insulation breakdown on the stator windings due to overvoltage, loss of phase balance causing stalling or overheating, and mechanical wear of bearings leading to vibration or seizure. First‑check diagnostics: verify that the input voltage is within spec (230 V ± 5 %) and confirm proper grounding; inspect the motor housing for burn marks or damaged insulation on windings; and test the output shaft rotation under no load to rule out bearing failure.[oss-gpt-20b] |
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Bristol Seabrook 447/5110-H. LR 13678 447/5110-H. LR 13678 Small 30 rpm electric motor for clock, modified to 230V 60Hz for clock.Contact Us
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