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Bowl-Less Efficiencies

21st January 2014

  

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Providing excellent particulate and water removal features in a simplified design, Caterpillar’s new Cat Advanced Efficiency fuel/water separators (FWS’s) have the same fit and equivalent performance of previous generation FWS products, with one big exception: the detachable water collection bowl has been replaced with a drain valve for easy servicing.

The one-piece stepped metal canister design isolates the collected water from the filter element. (Every new FWS element comes with a drain plug.) Rigorously field tested, Cat FWS’s remove more than 98% of debris 10 microns and larger; virtually eliminate free water in fuel; and remove 87% of dissolved water. “Left unchecked, water contamination presents a major threat to mechanical health,” explains Barloworld Equipment group product specialist, Reuben Phasha, expanding on the key role that FWS’s play in preventative maintenance planning. “Diesel, for example, acts as a lubricant in unit injectors. Here the fuel’s film strength prevents metal-to-metal contact between the plunger and the barrel.” (Barloworld Equipment is the Cat dealer for southern Africa.)

If water ingress were to occur, this could compromise film strength, resulting in scuffing and eventual seizure. “Un-dissolved water quantities greater than 0,1% can cause major damage,” he points out. As a routine maintenance practice, FWS units should be inspected daily for water and drained as needed, to ensure consistently clean, dry fuel.

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