9.
A.
Double-action hand pump.
The double-action hand pump has two check valves which allow fluid to be drawn into the
left and right chambers. (Page 6)
10.
D.
Inlet check valve.
Moving the handle to the right results in a slight vacuum, which opens the inlet check valve
as a result of the partial vacuum caused by the movement of the piston, allowing fluid to be
drawn into the left chamber. (Page 6)
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AL0926
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