Tree Worker Responsibilities. Perform tree removal services. Run a chainsaw. Sharpen Chainsaws. Collect and feed branches and brush into a chipper. Complete tree maintenance services, tree trimming, and pruning. Use equipment and power and hand tools to get the job done. Operates and services equipment, such as gasoline, hydraulic tools, power saws, power winches, buckets, chippers, and Takeuchi. Follow all job site safety procedures and policies...