Question 426Motor Plants - Assistant Engineer

The correct answer is D) Disassemble the entire unit, clean all components, replace any defective gaskets and use the proper lubricants where required. This is the correct approach because excessive sludge buildup in a device typically indicates that the entire unit needs to be disassembled, cleaned, and serviced. Merely steam cleaning or partially disassembling the components may not address the root cause of the sludge buildup. Thoroughly cleaning all parts, replacing any worn or defective gaskets, and using the proper lubricants is the best way to rectify the situation and restore the device to proper working order. The other options are incorrect because they either do not involve a complete disassembly and cleaning (B and C) or they do not mention replacing defective gaskets and using the proper lubricants (A).