Sea Tel Coastal 24 Quick Start Manual Download | Manualshive

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Summary of Contents for Coastal 24

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Page 2: ...elevation look angle for the desired satellite based on the vessels GPS location Once the satellite has been acquired elevation drive will be issued to counteract the vessels movement maintain stabilization based on feedback from the rate and tilt sensors on the PCU motherboard Once the tracking function of the antenna is enabled elevation drive will also be issued to optimize the receive signal l...

Page 3: ...ve in elevation therefore isn t searching correctly and in turn the elevation feedback from the encoder isn t moving the other option is the encoder is defective 6 Run the Built InTest BIT Coastal PCU software 2 06 and above supports a built in test function used to isolate problems with components in the antenna system To run the BIT test power off the antenna by pressing the Power button on the ...

Page 4: ...trolled by a PWM circuit The PWM current is repeatedly sampled and statistically analyzed during this test Testing EL MTR will be displayed as the test runs An Error code 4 01 4 17 will be displayed if one of these tests fails A failure indicates a failed motor motor driver PCB or harness Temporarily connect a spare motor to the PCU in place of the failed motor or swap the elevation motor with the...

Page 5: ...tal is dragging inside the radome itself or if the azimuth bearing has failed the radome and or pedestal will have to be replaced If this check found a problem and you have corrected it re run the BIT tests 2 Azimuth belt dragging or slipping Inspect the azimuth drive belt for chaffing or wear leaves black dust Inspect the azimuth drive belt for proper tension belt should be taught when pinched in...

Page 6: ...ition or has failed rotate the polarization assembly to the center of its mechanical range Loosen pot mounting bracket to de couple the belt and rotate the pot sprocket If the sprocket is loose on the shaft of the pot tighten the set screws If the pot does not rotate replace it Check continuity of the pot from the wiper and both the clockwise and counter clockwise contacts Clockwise to counter clo...

Page 7: ... until the reflector initializes at 0 test the function of the encoder If the reflector is physically at 0 degrees of elevation when the system initializes physically move the reflector by hand to different elevation points and verify that the elevation position on the control panel is correct in relation to the look angle of the reflector The elevation positing should also increment decrement smo...

Page 8: ...Cutters 1 Phillips Screwdriver 1 16 Allen Wrench Key Cable Ties Tie Wraps Loctite 222 242 and 638 8 2 Procedure Procedure for replacing the elevation motor on the Coastal 20 24 and 30 antennas Sea Tel kit part number 125228 1 motor part number 125519 Caution Power down the pedestal before following this procedure 1 Using a 1 Phillips screwdriver remove the ground connector from the body of the mot...

Page 9: ...elevation to align them 6 Install the pulley to the replacement motor in the same position as on the defective motor Apply Loctite 638 to the shaft of the motor and install the set screw with Loctite 222 using a 1 16 Allen wrench Ensure the set screw is installed against the flat edge of the motor shaft Save the hardware for future use Note For further information refer to the Loctite Procedure 12...

Page 10: ...Verify the alignment between the two sprockets is correct and the belt runs straight rotate the system up and down in elevation to verify the system moves freely Failure of this step is down to improper alignment of the motor pulley 10 Reinstall the encoder harness and ground connection to the motor assembly using the hardware removed in step 1 11 Reconnect the elevation motor harness to the PCU e...

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