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Elevator Mechanics Review | 100% Correct Answers | Verified | Latest 2024 Version

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2023/2024 Written for academic year
Institution Elevator Mechanics
Course Elevator mechanics
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Car running up keep stopping why? - Contact is not deenergizing in push button Third-floor bulbs burn out why? - Shorted resistor Car will not travel to second floor without a third-floor me a call and will not go down from three without a second-floor hall, what's the problem? - 2Fl 4/6 Why won't motor start? - MOL1 95/96 Car doors closed and won't run what do you check? - Check for voltage at four and five Bad Transistor Top barricade can be replaced with? - 1/4" Cable There is voltage at the switch but none at point a what's wrong? - Either R1 or R2 open The door close limit switch is not working do you have power from 35 to term eight. No power from 1 to 52 why? - Door limit switch malfunction Car running normally but the buzzer will not shut off why? - EHP 2/3 shorted Relay STR has voltage. TRU has voltage, RU has no voltage, why? - TRU 9/8 Second floor PI illuminates then quickly extinguishes why? - X1 4/6On a machine, what is drilled out first? - Secondary sheave Dumb waiter takes off before loading why? - Non interference Car levels in 3 inches high in down direction why? - Counterweight In bi-parting doors what gap is allowed before gate switch is open? - 3/4" Pressure switch is wired in what direction - Down directional

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