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Why would your gardner Denver sch 3500 rock drill send compressor oil through the drill steel?
Wiki User
∙ 8y ago
Hydraulic rock drills or drifters need a lubrication of the front part (rotation gears, bushings) as well as pressurization of the percussion chamber (in order to avoid dust or water to penetrate in it and cause damages).
This lubrication and pressurization is usually done with a mix of oil and compressed air.
This pressurized drifter front head is well distinct from the flushing air inlet which send the compressed air in the drill steel for the flushing.
But in some cases, the seals are damaged and the oil + air mix can enter in the drill steel.
Check the front seals at shank adapter level, depending on the drill brand and quality they can fail or wear.
source: roxar drifters
Wiki User
∙ 8y ago
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