A-4
888-2629-200
10/6/10
WARNING: Disconnect primary power prior to servicing.
Maxiva ULX COFDM Series
A.3 Cutting The Transmission Line
A square smooth cut is required. Several methods, listed below, may be used with the
choice depending on tools and labor available.
1.
Method 1. A hand hack saw and cast iron cutting guide are a good combination for
making a cut with a minimum of tools for one or two pieces, but can be very labor in-
tensive for putting up an entire system. See Figure A-4.
2.
Method 2. Hand Band Saw. These popular saws can be rented or purchased. See Fig-
ure A-5.
3.
Method 3. Swing Arm Band Saw. This is a good way to go if one can be rented or
borrowed. Many pipe fitters and electrical contractors own them. If the saw has an au-
tomatic feed, cut slowly. It is critical that the support saw horses be made level with
the saw. Test cuts should first be made using scrap pipe or a wood 4x4 to verify that
the blade is not creeping and the saw is in alignment. See Figure A-6.
Caution
DO NOT OVER TIGHTEN THE VISE USED WITH THESE SAWS. IT WILL BE
DIFFICULT TO PUT THE FLANGE ON AN OUT OF ROUND PIPE.
4.
Method 4. Tubing Cutter. This is generally not recommended. Many cuts end up with
crimped ends due to dull cutters or trying to cut too fast. Use with caution. Avoid if
possible unless someone is available that has had a lot of experience using a tubing
cutter on this type of installation. See Figure A-7.
5.
Method 5. Cut Off Saw. These saws are similar to radial arm saws. It is rare to find
one big enough to cut 6-1/8” line. The set up is similar to the swing arm band saw.
See Figure A-6.
Figure A-4 Guide For Use With Hand Hack Saw
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