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TracVision TV1/RV1/M1/R1 Feed Tube Replacement Instructions Technical Support If you need technical assistance, please contact KVH Technical Support: North/South America, Australia, New Zealand: Phone: +1 401 847-3327 E-mail:
[email protected] The following instructions explain how to replace the feed tube in a TracVision® TV1, RV1, M1, M1DX, R1ST, or R1DX antenna.
Tools Required This procedure requires the following tools: •
#2 Phillips screwdriver
•
#2 Phillips torque screwdriver set to 15 in.-lbs
Europe, Middle East, Asia, Africa: Phone: +45 45 160 180 E-mail:
[email protected] Figure 1: Radome and Feed Tube
Radome #8-32 Screw (x4)
Feed Tube
Replace the Feed Tube a. Power off and disconnect all power from the antenna.
CAUTION Make sure the antenna is pointed away from the sun whenever the radome is removed. The highgloss reflector can focus sunlight into a narrow beam, generating a significant amount of heat that can cause damage and injury. b. Remove and discard the four #8-32 screws securing the radome to the baseplate (see Figure 1). Carefully lift the radome straight up until clear of the antenna assembly and set it aside in a safe place. Do not place the radome on a hot steel surface – the heat may warp the radome.
KVH, TracVision, and the unique light-colored dome with dark contrasting baseplate are registered trademarks of KVH Industries, Inc. All other trademarks are property of their respective companies. The information in this document is subject to change without notice. No company shall be liable for errors contained herein. © 2014 KVH Industries, Inc., All rights reserved. 54-1087 Rev. A
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c. While holding the LNB in place, remove the four #8-32 screws securing the feed tube to the reflector and LNB (see Figure 2). Remove the feed tube, being careful not to lose the wavy spring washer.
Figure 2: Feed Tube Replacement, Exploded View Diagram LNB
d. Remove the wavy spring washer from the old feed tube and place it onto the replacement feed tube. e. Secure the replacement feed tube to the reflector and LNB using four new #8-32 screws (1-1/8" long) (supplied in the kit). Alternate tightening the screws in a cross pattern (just a few turns at a time) to keep the feed tube square to the reflector. f.
Tighten the feed tube screws to 15 in.-lbs of torque.
g. When you are done, make sure the flanges of both the feed tube and the LNB are flush against the reflector. h. Inspect the inside of the antenna to make sure you have not left any tools or debris inside. i.
Reinstall the radome onto the antenna securing it with four new #8-32 screws (7/16" long) (supplied in the kit).
j.
Reconnect power to the antenna.
k. Test the system for normal operation. If there is a problem, contact KVH Technical Support. The replacement procedure is complete!
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Reflector
Wavy Spring Washer
#8-32 Screw (x4)
Feed Tube
