Andrew OM24SNG-RC manual Component Replacement

Page 17

Component Replacement

Azimuth Brake Replacement

Purpose

Required Tools

(Customer-

Supplied)

Caution

Step 1

Provide instruction to remove and replace the azimuth and/or elevation brake assembly used on the ESA24SNG-LTE-XX Series 2.4M SNG Antenna.

No. 2 Phillips Screwdriver (Must have good tip that fits screw head well)

Small propane torch (or equivalent).

Small (4-8 inch) Adjustable Wrench.

Single edge razor blade or sharp knife.

2 X 4 Lumber 5-foot long.

5/32” Allen Wrench

This Procedure Should Only Be Performed In Non-Windy Conditions (Winds Under 15 mph). When the Brake Is Removed the Antenna Will Be Allowed to "Freewheel". Two Persons Are Required To Safely Remove and Reinstall the Brake Assembly. One Person To Perform the Replacement and the Other To Hold the Antenna In Position.

Turn Off Main Power Source To the Controller System Prior To Proceeding!

Locate the azimuth brake at the rear of the azimuth panning frame. Refer to Figure 1.

Azimuth

Motor

Panning

Frame

Azimuth

Brake

Figure 1

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Component Replacement

Image 17
Contents Meter SNG Table of Contents Purpose Proprietary Data Information and Assistance IntroductionHour Technical Assistance Customer Service CenterCall From Call To Telephone Fax Call From Telephone FaxDo Not Service Or Adjust Alone Safety SummaryESD Precaution Keep Away From Live CircuitsAntenna DescriptionGeneral Introduction Antenna Drive System Cable Inspection MaintenanceCable Replacement Azimuth Rotational Limits Overhead View of Antenna Azimuth Access Port Positioned Over Cable Adjusting Nuts Azimuth Drive Cable Tension Adjustment StepAdjusting Azimuth Cable Tension Step Elevation Cable Tension Adjustment Elevation Drive Cable Tension Adjustment StepControls and Power Failure Azimuth Drive Step Emergency ProceduresBrake Release Screws Elevation Drive Step Component Replacement Brake WiresBrake Release Hardware Body Nuts Cover Brake Brake Release Weep Hole Protective Tube Brake Cover Elevation Brake Replacement Antenna Electrical Specifications22Specifications Antenna Mechanical 23Specifications24Specifications Antenna DimensionsView 25SpecificationsAntenna Clearance Envelope Top View Antenna Clearance Envelope and Center of Gravity Side View