| How
to use a combination wrench
few tips for using a combination
use the open end of a wrench most ictively, place it around
the nut you want emove and then move the wrench to the it
so that the nut moves in a counter¬:kwise direction. If
the nut sticks, give it quirt of penetrating oil or a tap
on the id with a hammer.
can use your free hand to keep the nch down over the nut.
This gives you ontrol and prevents the wrench from ff the
nut v When you move the wrench as far as it can go, you loosen
the nut 15 degrees. (That's why the slot is at an angle.)
By simply turn¬ing the wrench over so that the other surface
of the same end is around the nut, you can move the nut another
15 degrees without having to place the wrench at a dif¬ferent
angle.
rt Always use the proper size wrench. !f the wrench that you
use is too big, it can slip and round off the edges of the
nut, which` makes the nut harder to tighten later on. It can
also round off the inside edges of the wrench, with the same
results. (Of course,
wrench that is too small won't fit over the nut.)
Allen (or hex) wrenches
Some of the screws or fastenings on your vehicle may have
odd¬shaped holes in the centers of their heads that require
special Allen wrenches - L-shaped rods that fit into the holes
(see Figure 2-7). If the center hole is hexagonal, the wrench
you need is sometimes called a hex wrench. You can buy a set
of assorted-sized Allen wrenches for under $15.
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