NEIEP 820 HYDRAULIC MAINTENANCE QUESTIONS AND CORRECT ANSWERS UPDATED 2024
5 views 0 purchase
Course
NEIEP
Institution
NEIEP
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...
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 ________
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LIXAN. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.
