Adjusting the tension on ropes or cables in lifting equipment like a building hoist involves several steps. First, ensure the equipment is turned off and secured to prevent any accidents. Then, locate the tensioning mechanism, which could be a ratchet, turnbuckle, or a similar device. Gradually adjust the mechanism to tighten or loosen the cable as needed. Use a tension meter to measure the tension and ensure it meets the manufacturer's specifications. Regularly inspect the cables for wear and damage, and replace them if necessary. Always follow the equipment's manual for specific instructions and safety guidelines.