Chainsaw part damage of harvesting teak forest in Madiun East Java, Indonesia

Forest harvesting has to be a concern for productivity, the operator's safety, and the environmental impact of forest harvesting. Chainsaw is commonly used for forest harvesting in Java, Indonesia. To increase the harvesting productivity, the operator has to maintain their chainsaw. Part of the chainsaw is often damaged in the harvesting process, affecting the productivity of felling the trees. This study analyzes the damage to parts from chainsaws in teak forest harvesting. The research location was in a forest area of Perhutani Company in Madiun East Java. The result shows that all ten chainsaws had damage to their parts components. The piston was the engine component which damaged in all the ten chainsaws. The body components such as the front handle, muffler, and on-off switch were damaged by all ten chainsaws. We observed that the chainsaw operator could not maintain the chainsaw well.