This Demag AC 335 hydraulic boom had a dent, requiring an engineered repair. WHECO’s Santa Fe Springs, CA, crane repair facility used a specialized jig to facilitate removal of the dent. See the before, during, and after photos below. WHECO Worldwide Services is the most reliable and proven provider of structural repairs for accident-damaged hydraulic and lattice crane booms and jibs. Please read our crane repair services page for more information.