Disassemble External Components
3:40
31:13
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How to Rebuild a Chainsaw Engine
What happens here
Start removing the various covers and components. First, take off the air filter cover and the air filter itself. Next, remove the spark plug using a spark plug wrench. Then, use a cordless drill with a T27 bit to remove the bolts securing the throttle body assembly. Carefully detach the throttle body assembly, noting the internal components. Proceed to remove the four T27 bolts holding the exhaust system in place, and then detach the exhaust muffler. Finally, remove the handle, which is secured by T27 bolts as well. Remember to place removed parts and their corresponding bolts neatly to avoid losing them.
Goal: Remove covers, filter, spark plug, throttle, exhaust, and handle.
Tools and materials
- Cordless Drill Milwaukee — Removing and installing T27 bolts
- Orange Rubber Gloves — Protecting hands
- Spark Plug Wrench — Removing the spark plug
- Stihl MS 500i Chainsaw — The chainsaw being worked on
- T27 Bit — Removing T27 Torx head bolts