User manual CUSCRAFT A144-11

[. . . ] If you are unable to locate any tube or component, check the inside of all tubing. IMPORTANT: save the weight label from the outside of the carton. Each antenna is weighed at the factory to verify the parts count. If you claim a missing part, you will be asked for the weight verification label. [. . . ] Then, return to the section below for final tuning. TUNING PROCEDURE The A144-11 does not normally require tuning after assembly. However, if you wish to check the VSWR before installation, please observe the following procedures. To prevent detuning the antenna, it should be tuned in place or at least 7 feet (2. 1 m) above ground and clear of surrounding objects. Keep all metal obstructions such as guy wires and other antennas at least 7 feet (2. 1 m) away since they will nullify any adjustment and degraded performance will result. Run the coax cable from your transmitter to the area in which the antenna is going to be tested. The length of this cable or your feedline is not critical. Connect a good quality VSWR bridge to the end of this cable. Connect a short length of cable [10 ft (3 m) or less] from the VSWR bridge to the antenna. Set the transmitter to your center operating frequency. When you read VSWR, be sure you move far enough away from the antenna so that your body does not effect the reading. If it is high, move the tuning strap by 1/4" (. 6 cm) in one direction and check the VSWR. If the VSWR improves, then continue moving the tuning strap in the same direction. If the VSWR deteriorates then move the tuning strap in the opposite direction. Repeat this procedure until no further improvement can be made. You have matched your antenna to 50 Ohms. Tighten all connections making sure to keep the ReddiMatch assembly parallel to the element (EB) above. Tape the feedline to the boom and mast (figure G). 1 A144-11 MASTER PARTS LIST KEY 11 26 28 41 45 53 61 70 79 84 85 115 116 120 125 231 251 326 401 PART # 010011 190026 190028 011941 321045 050053 050061 190070 010079 010084 010085 050115 240116 010120 200125 010231 050251 290326 010401 DESCRIPTION QUANTITY 14 11 10 14 4 2 2 1 2 8 8 1 1 1 1 10 1 1 4 KEY 402 410 BA BB CB EA EB EC ED EE EF EG EH EI EJ EK PT RR RT PART # 013402 030410 DESCRIPTION QUANTITY 4 2 1 2 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 8-32 stainless steel hex nut 7/8" x 1-1/2" (2. 2 x 3. 8 cm) mounting bracket Aluminum half washer #8 stainless steel lock washer Aluminum spacer 1/2" (1. 3 cm) black plastic cap 7/8" (2. 2 cm) black plastic cap 4" x 6" (10. 2 x 15. 2 cm) formed mast plate 8-32 x 1/2" (1. 3 cm) stainless steel machine screw 1/4" (. 63 cm) stainless steel split lock washer 1/4" (. 63 cm) stainless stee lhex nut Connector boot Silicone package 8-32 x 2" (5. 1 cm) stainless steel machine screw Tuning strap 8-32 x 1-3/4" (4. 4 cm) stainless steel machine screw 3/8" (. 9 cm) white plastic cap Danger label 3" x 1-3/4" (7. 6 x 4. 4 cm) stainless steel U-bolt 5/16" (. 8 cm) stainless steel flat washer 1" (2. 5 cm) stainless steel worm clamp 1" x 48" (2. 5 x 122 cm) aluminum tubing slotted both ends 7/8" x 50" (2. 2 x 127 cm) aluminum tubing Connector bracket 40-1/4" (102. 2 cm) element rod 38-7/16" (97. 6 cm) element tube, drilled in center 36-3/4" (93. 3 cm) element rod 36-1/4" (92. 1 cm) element rod 35-3/4" (90. 8 cm) element rod 35-1/4" (89. 5 cm) element rod 34-3/4" (88. 3 cm) element rod 34-1/4" (87. 0 cm) element rod 33-3/4" (85. 7 cm) element rod 33-1/4" (84. 4 cm) element rod 32-3/4" (83. 2 cm) element rod 3/16" x 4-1/2" (. 5 x 11. 4 cm)Poly tube 3/16" x 4" (. 5 x 10. 2 cm) Reddi-Match rod 3/8" x 6-1/2" (. 9 x 16. 5 cm) aluminum tube #1 - BOOM ASSEMBLY Assemble the boom as shown below. Make a mark 1-3/4" (4. 4 cm) in from the ends of the BB tubes as shown. [. . . ] A connector boot is included for use with your new antenna. Slide the boot over the cable before attaching your PL-259 (figure F). Spread silicone on the outer threads of the Reddi-Match and PL-259 connector. DO NOT COAT THE CENTER PINS OF THE PL-259. [. . . ]