70 | Maintenance
4.6 Replacement of Sensitive Element S/E
• CAUTION
• The Sensitive element should only be replaced by authorized personnel in possession of a
AlphaMidiCourse certificate.
• Use extreme caution when handling the Sensitive Element.
Do not
tilt the S/E it is filled with damping oil.
• Specific tools are required when installing the Sensitive Element, refer to paragraph 1.1.1
Specific Tools.
Follow below procedure for placing its Sensitive element.
1.
Ensure the POWER is disconnected from Control Unit. When Gyro Compass is running, turn it OFF by following the
procedure described in paragraph 2.10
Turning the Gyro compass OFF.
2.
Remove the four screws securing the Housing of the Master Compass, refer to paragraph 1.1.4
Fitting Master
Compass.
3.
Loosen the screw on the plug-holder on the Sensitive element and disconnect the connector. (reverse actions
described in paragraph 1.1.13
Attach Connector to Sensitive Element).
4.
Unpack the new Sensitive element and check for damage according to paragraph 1.1.8
Unpacking of Sensitive
Element.
If any damage or leaks are defected contact Alphatron Marine.
Leave the new Sensitive element in its package, it be exchanged with defected one by step 6.
5.
Remove the four screws encircled in red securing the Sensitive element as indicated in below shown picture.
Tilt the Horizontal ring to the side where the connector is located. Carefully remove the defected Sensitive
element as shown in above picture 028.
6.
Carefully swap out the defected Sensitive element with new Sensitive element. Install the new sensitive
element according to paragraph 1.1.8
Mounting of Sensitive Element.
7.
After replacement, place the rubber tube on the defected Sensitive element.
8.
Attach the connector on the new Sensitive element according to paragraph 1.1.10
Attach Connector to
Sensitive Element.
9.
Start-up the AlphaMidiCourse by pressing its POWER button and configure the Gyro spere according to
paragraph 1.7.2
Configuring the Gyro sphere.
10.
If needed Horizontal ring can be balanced according to paragraph 1.7.5
Balancing the Horizontal ring.
11.
Fill in the Return Slip for the defected Sensitive element that was included in the package of the new Sensitive
element.
In case it was not present of lost, the form can be found in paragraph 6.4
Return Slip Sensitive element.
Summary of Contents for ALPHAMIDICOURSE Mk2
Page 80: ...80 Appendices 6 1 1 Dimensions of Control Unit...
Page 81: ...81 Appendices 6 1 2 Dimensions of Master Compass...
Page 82: ...82 Appendices 6 1 3 Master Compass without housing...
Page 84: ...84 Appendices 6 1 5 Connection Diagram...
Page 85: ...75 Appendices 6 1 6 Cable Diagram...
Page 86: ...76 Appendices 6 1 7 Installation Drawing...
Page 88: ...78 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 89: ...79 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 90: ...80 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 91: ...81 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 92: ...82 Appendices AlphaMidiCourse Mk2 Check Maintenance Sheet...
Page 95: ...85 Appendices 6 4 Return Slip Sensitive element...
Page 96: ...86 Appendices...
Page 99: ......