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NEIEP 820 HYDRAULIC MAINTENANCE QUESTIONS AND CORRECT ANSWERS UPDATED 2024 $7.99   Add to cart

Exam (elaborations)

NEIEP 820 HYDRAULIC MAINTENANCE QUESTIONS AND CORRECT ANSWERS UPDATED 2024

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NEIEP 820 HYDRAULIC MAINTENANCE QUESTIONS AND CORRECT ANSWERS UPDATED 2024 Drive belts One of the greatest hazards to elevator maintenance personnel exists near the_______ Between the motor and pump Line starter The ______ contactors are a major maintenance concern in the hydraulic controller...

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  • April 28, 2024
  • 4
  • 2023/2024
  • Exam (elaborations)
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NEIEP 820 HYDRAULIC MAINTENANCE QUESTIONS
AND CORRECT ANSWERS UPDATED 2024

Drive belts
One of the greatest hazards to elevator maintenance personnel exists near the_______
Between the motor and pump
Line starter
The ______ contactors are a major maintenance concern in the hydraulic controller
Silencer
A ______ is located close to the hydraulic pump unit to reduce pulsations in the oil line
Lockout tagout
Before perfoming maint near a belt driven hydraulic pump _____ and ________ the
main line disconnect
Temperature
Oil ______ stabilization is a concern on hydraulic elevators
Electric heater
Only method of maintaining stable oil temp uses thermostatically controlled ________
Recirculating
Operating a hydraulic pump and vavle in a _____ mode increases oil temp
Up, bottom
An elevator that has tripped low oil timer will stop its ______ run and return to the
______ landing
Loss of , reversal
The revers phase relay detects ______ phase or phase ________
Oil temperature
The rate at which the speed changes from high speed to low speed is greatly affected
by ________

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