Kongsberg EM 712, Maintenance Manual

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451106/B
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Removing the fan unit
If a fan unit fails to operate, it must be replaced with a new module. All replacement
tasks must be done according to the specified procedures, and you must follow the
relevant safety instructions.
Prerequisites
You must be equipped with a standard set of tools. This tool set must comprise the
normal tools for electromechanical tasks. This includes different screwdriver types,
pliers, adjustable spanners, etc. Each tool must be provided in various sizes. We
recommend that all tools are demagnetized to protect your equipment.
Context
The Processing Unit has two fan units for cooling purposes.
Procedure
1 Turn off the Processing Unit.
2 Disconnect the power cable on the rear side of the unit.
3 Locate the unit you wish to remove.
4 Loosen the screw.
(A)
5 Grab the handle and pull the unit straight out.
(B)
6 Place the unit on a conductive service mat on your workbench.
Further requirements
To return the unit for repair or replacement, follow the relevant handling instructions.
Parts replacement