Our reconditioned crane motors perform just like new electrical crane motors, but at a fraction of the cost. Damaged shafts are replaced with new for a precise bearing fit and to maintain the overall shaft strength and integrity. All motors are electrically tested complete which includes hi-pot tests for voltage and current. Eddy current brakes are dynamically tested under load using a dynamometer.
All outgoing repairs include an application of rust inhibitor, a protective boot and inclusion of a patented torque nut for brake motors. We use proprietary heavy gauge fiberglass over enamel wire for improved varnish retention to withstand mechanical forces and provide higher heat resistance. Core loss testing minimizes core losses that lead to motor inefficiencies and higher operating temperatures.
Is your trolley assembly tired and in need of a lot of work? We can strip it down to the frame and install new bearings, seals, friction discs, input shaft and coupling. We also replace old and worn holding brakes. The electrical components can be upgraded wit
h new wiring and conduit, new junction box and terminal strip that replace the old style butt-spliced wires.
For brakes, we'll tear down the brake assembly to base. We'll then sandblast and check for wear/and or cracks and replace any damaged parts with new. We'll inspect bases for wear at bearing housings, bearing surfaces and pivot points and brush and re-machine as needed. The brakes will be reassembled with new bearings, bushings and hardware and adjustments are set back to factory specs. Brake shoe relining is also available for most brakes.
We offer a streamlined shoe brake assembly rebuild service. Using standard kits for each brake assembly, we replace parts that commonly wear, providing you like-new brakes that are tested before being shipped to you. We'll provide you with standard pricing for each brake size and give you a detailed inspection report with photos.
We can re-groove and replace gearing on worn hoist drums.
Konecranes is dedicated to building electrical components to order and we can assemble and ship older or difficult-to-find components within days. Many in-stock items can be on their way to you in less than 24 hours. We can rebuild switches, controls, master switches, push buttons, contractors, relays, brake rectifier panels, CV relays and limit switches.