Completing routine maintenance keeps concrete drills in top working condition. For example, checking and filling the oil reservoir regularly takes only a few minutes but can prevent a drill motor from slowing down or seizing. Choosing a drill with advanced lubrication features — such as a multi-point oil injection system — simplifies maintenance for greater productivity. Multi-point oil injection systems, found on E-Z Drill multi-gang units, feed oil from a single reservoir to each drill motor individually to ensure each
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