Simrad EQ 55 Technical Information PDF herunterladen (Seite 133)

EQ-55 Operators Manual 950-7001001/Iss 1.

Introduction and System Familiarization Page 7.5

Kongsberg Simrad Mesotech Ltd.

Port Coquitlam, BC - Canada

7.3 SERVICING THE EQ 55 AIR FILTER

The EQ 55 air filter should be cleaned once each month under normal operating

conditions. If operating in a dusty or dirty environment, cleaning every 24 hours

may be necessary to avoid restricting the passage of cooling air through the EQ 55.

The EQ 55 fan cooling system is designed to draw air in through the filter, pass it

throughout the EQ 55, and exhaust through the vent slots in the bottom of the

case.

To clean the EQ 55 air filter, remove power from the unit. With the rear of the EQ

55 facing you, remove the fan shroud. You can now see the filter and the filter

frame which holds it in place. The filter can be removed by lifting each side away

from the fan housing.

Wash the filter thoroughly in water and wring dry. Allow to air dry thoroughly.

Reinstall by reversing the removal process. Ensure that the fan shroud is snapped

securely in place.

7.4 EQ 55 DISASSEMBLY INSTRUCTIONS

The EQ 55 main electronics can be remove without removing the entire unit from

its location.

7.4.1 Removing the EQ 55 Electronics Drawer

Disconnect and mark all cables from the EQ 55. With the front facing you, remove

the 4 Hex bolts of the front panel. Slide the drawer out from the main housing of

the EQ-55 and disconnect the video cable and the plug that is attached to the

drawer.

7.4.2 Removing the Lid From the Drawer

To remove the lid of the drawer remove the 11 Phillips screws located around the

outside edge and the 5 Philips screws located on the left side on top of the lid.

7.4.3 Removing the Transceiver Printed Circuit Board Assembly.

The Transceiver printed circuit board assembly is the top board in the EQ 55

drawer.

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Simrad EQ 55 Technical Information Seite 133