Unit 7 Flashcards
(11 cards)
How would Type A car safeties be released after an application as per the ASME A17.1/CSA B44 code?
Moving elevator up
What is the approved method for unreeling wire rope from a spool?
Approved stands
What safeties are considered instantaneous as per ASME A17.1/CSA B44 code?
Type A
What type of wire rope configuration would provide the greatest amount of flexibility for use on tiller rope safeties?
6 x 24
What are the vertical support members of the car sling called?
Stiles
When would a counterweight require safeties as per ASME A17.1/CSA B44 code?
When space below is accessible
What is the first step of installation of the car frame?
Safety plank or bolster
How must the looped strands of the wire rope look after a babbitt shackle has been poured?
Just visible
What would be considered adequate wheel pressure when adjusting car roller guides?
Guide should skid against rail w/ moderate effort by hand
What device is only required to be installed on the car top cross head for a 2:1 roping configuration?
Sheave’s
Types of safeties?
Type A safeties = instant (200fpm)
Type B safeties = any speed
Type C safeties ** - instant, w/ buffer (500fpm)