Lincoln Electric Fume Extraction System Prism

• Inspect unit for proper operation and function, address any issues found. • Fan motor temperature is within normal ranges, a hand held IR temp meter is a good tool for this. High motor temps indicate bearing or winding issues and predict a failure. This can also apply to the electrical power connections to the unit- elevated temps on junction boxes and wire terminations are precursors to problems.

Clean inside using an industrial vacuum cleaner.

• Check for functionality of control panel fan. • Inspect and clean any buildup or dirt on fan blade impellers in control panel. • Inspect and replace control panel lters if necessary.

• Ensure that the Cubic Feet per Minute (CFM) is operating to the engineered specications based on the individual system *

• Check the integrity of the fan housing and tighten all bolts and screws if necessary. • Clean housing with a non-aggressive detergent. • Check connection of silencer to fan housing and seal if necessary. • Check connection of ductwork to silencer and seal if necessary. • Check fan motor blades for encrusted particles and clean if necessary. • Inspect and clean control panel with a non-aggressive detergent. • Check inlets and outlets for tears or wear.