Pipe threaders Flashcards
Pipe threaders are multi-purpose power tools that center, hold, and ____________ pipe while cutting, reaming, or threading
rotate
All pipe threading machines have one or two chucks that work together to hold and rotate and pipe and a ________________
gear drive
If a pipe threader doesn’t have an integral lubricant sump that automatically applies cutting oil, what can you do?
Manually apply using an oil basin and hand pump
On a pipe threader, if the oil does not flow from the lubrication arm when the pump is energized, it may be necessary to ______________________
prime the pump
After priming the oil pump, it is necessary to replace the primer scre and button plug or _________________________
The pump will drain itself immediately when the pump is energized
If priming is required regularly, _________________________
The oil pump likely requires repair
Power threaders are equipped with a universal ________________
die head
Die sets are classified according to the number of __________________
threads per inch
Dies for standard threaders are maintained in sets of __________
four
Dies for geared threaders are maintained in sets of ________
five
Standard dies will likely be damaged if used on what material?
stainless steel
The throw-out lever is a quick-released handle and marked ______ and ________
open and close
On most pipe threaders, the pipe can be inserted from __________________ of the chuck
either end
A pipe cutter in good condition will generally make what kind of cut?
A square cut
Some pipe threaders have two rotational speeds. Cutting and reaming are done at the higher speed. What is done at the lower speed?
Threading
