10/6/10 888-2629-200 A-1
WARNING: Disconnect primary power prior to servicing.
Maxiva ULX COFDM Series
Appendix A Cutting & Soldering Transmission Line
A.1 Suggested Cutting And Soldering Procedure
The purpose for this procedure is to provide guidelines for field cutting and soldering of
RF transmission line used to interconnect the transmitter to the RF system.
Try to cut and flange the longest pieces first. Complete one run at a time in order to
avoid accumulated errors. (i.e.: Cut, solder, and hang line from antenna port of
Bandpass filter to patch panel. Then cut, solder, and hang line from the Amplifier
output to the input port of the Bandpass filter.)
Listed in Table A-1 are some tools and materials that have proven effective for RF Feed
Line Construction.
Table A-1 Tools and Materials Needed For RF Feed Line Construction
Welding Torch Set Hacksaw and Extra Blades
Oxygen and Acetylene Tanks Plumb Bob
Welder’s Mask or Goggles Chalk Line
Power Band Saw (can be rented) and Extra Blades Wrenches
Silver Solder 1/16 inch diameter, 30%-45%, Hard Stay-Silv #45, Aladdin #45,
HARRIS part number 086 0004 060
Crowbar
Paste flux (Engelhard Ultra-Flux 1 lb jar) HARRIS part number 086 0004 046 Rope
Muriatic Acid (quart) Saw Horses or Cutting Table
Baking Soda (two 1-pound boxes) Come-along or Chain-Fall Hoist
Three plastic 5-gallon buckets or containers with open tops Ladders
Scotch Brite Garden Hose
Steel Wool 25-Ft Tape Measure
Emery Cloth (roll type like plumber uses) Files
Carpenters Square Rubber Hammer
Level Claw Hammer
Hole Saw, 1-7/8 inches, for installing directional couplers Gloves
Safety Glasses Safety Glasses
NOTE: All-thread rod, hangers, angle iron or channel will be needed to support transmission line, dummy load,
etc.
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