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Warning: a coolant pump failure on a Friday afternoon turned a 2-hour job into a 12-hour ordeal.
The backup unit was out for calibration, so we had to jury-rig a garden hose from the maintenance closet to keep the spindle cool. Anyone have a good source for reliable replacement pumps that won't bankrupt the shop?
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adams826mo ago
Our old Mazak ran for three years on a rebuilt pump from a local motor shop. They took our core and charged half of new. The trick is finding a shop that actually tests them under load, not just spins them up. That garden hose fix is a classic, but I always worry about mineral buildup in the spindle lines long term.
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sage5286mo ago
Man, I used to think those backup units were a waste of money. A Friday like yours would change anyone's mind fast. We've had good luck with the basic pumps from Grainger, they get here quick and haven't let us down yet.
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roberts.diana6mo ago
Totally agree about Grainger, their basic pumps saved our butts last summer too.
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