Using the Jet JT9 - 286515K JG - 150A grip puller is easy. First, select the appropriate pulling capacity (3/4, 1 - 1/2, or 3 - Ton) according to your load. Attach the cable securely to the load you want to lift, lower, stretch, or pull. Then, operate the puller following the normal procedures. When using, always make sure the double - sealed ratchet brake system is working properly to ensure your safety. As for maintenance, keep the puller clean and dry. Wipe it down after each use to prevent dirt and moisture from building up. Check the zinc - coated steel regularly for any signs of corrosion. If you notice any issues, take appropriate measures immediately. Also, ensure it always complies with the ANSI/ASME B30.21 standards during use and maintenance.