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HINTS FOR HOMEBUILDERS
ADEL CLAMP TOOL
BY JOE NORRIS
EVERY HOMEBUILT, NO MATTER
how simple or complex, will
have fluid lines and wire bundles that need to be anchored
to prevent vibration and chafing. There are several ways to
do this, but a popular method
is to use MS21919 clamps
(commonly called “Adel”
clamps). They are typically
installed either stacked back-to-back or lined up
end-to-end, and getting the
bolt or screw inserted and the
nut installed can be frustrating
because of the clamp’s tendency to spring open.
Squeezing the clamps together
with a pliers works to get the
bolt inserted, but often the
pliers are in the way when
trying to install the washer
and nut. An old hacksaw blade
and a few minutes of alteration time will result in a tool
that will make clamp installation much simpler.
The first step is to cut the
hacksaw blade to a convenient
length. Each builder will
decide what length is right for
the situation at hand. The next
step is to remove the teeth
from the blade so the tool is
more comfortable to use. A
bench grinder or sanding disk will make short work of this task.
The heart of the tool is a V cut into one end. I used a good pair
of aviation snips to cut the V in the tool I made. The exact angle of
the V is not important; what is important is that you use a file to
sharpen the edges of the V after you cut it so that it will engage the
threads of the bolt or screw you’re using to secure your clamps. A
small file will take care of the sharpening once you’ve cut the V.
Once you’ve cut and sharpened your V, the tool is ready to use.
Use a pliers to compress the clamps and get the bolt or screw
inserted. Once the fastener is in place you press the V of your tool
into the threads. You can now remove the pliers and the tool will
hold the clamps in their compressed state while you install the
washer and get the nut started. Voilà! Your clamps are installed
and secured in no time and with no aggravation. Now you know
what to do with that worn out hacksaw blade!