USE/CARE OF HANDTOOLS & MEASURING TOOLS - OD1621 - LESSON 2/TASK 1
(a) Adjustable Pipe Wrench. The adjustable
pipe wrench will work
in one direction only.
Always turn the wrench in
the direction of the
opening of the jaws. Apply force to the back of the
handle; since the top
jaw is capable of a slight angular movement, the
grip on the work is
increased by pressure on the handle (figure 27).
USING ADJUSTABLE PIPE WRENCH.
(b) Adjustable Strap Pipe Wrench. When using the adjustable strap
pipe wrench, loop the strap around the pipe in the opposite direction to
that in which the pipe is to be rotated (figure 28 on the following page).
Slip the end of the strap through the shackle and draw it up tightly. Pull
the handle to turn the pipe in the desired direction. The jaw at the end of
the shackle will seat against the strap, and as the handle is pulled, the
strap will tighten and turn the pipe.
(c) Adjustable Chain Pipe Wrench.
The adjustable chain pipe
wrench is used in the same manner as the strap wrench. The chain acts as a