2. Parts of a Chainsaw Front Hand Guard Muffler Oil Filter Fuel Filler Cap Throttle Trigger Rear Hand Guard Rear Handle

3. Parts of a Chainsaw (Cont..) Throttle Trigger Interlock Master Control Lever Start Grip Front Handle

4. Parts of a Chainsaw (Cont…) Chain Brake Bumper Spike Guide Bar Saw Chain Chain Tensioner Chain Catcher Chain Sprocket

5. Parts of a Chainsaw (Cont…) Spark Plug Terminal Twist Lock Chain Sprocket Cover

6. Basic Parts of the Chainsaw

7. Purpose of Chainsaw Parts Front Hand Guard - Protect hands from chips Muffler - Quiet engine noise Oil Filter - Filter oil Fuel Filler Cap - Keep fuel in gas chamber Throttle Trigger - Control power to chain Rear Hand Guard - helps protect against losing grip of saw Rear Handle - Hold saw

8. Purpose of Chainsaw Parts (cont..) Throttle Trigger Interlock - prevents the chain starting up inadvertently. Master Control Lever - provides convenient selection of choke, start, and stop functions. Start Grip - Start the chainsaw Front Handle – hold chainsaw with two hands Chain Brake – Reduce kickback Bumper Spike – (optional) may be used as a pivot when making a cut Guide Bar – Holds chain to make cuts

9. Purpose of Chainsaw Parts (cont..) Saw Chain – makes the cuts Chain Tensioner – controls how tight the chain is against the bar Chain Catcher - prevent a broken or derailed saw Chain Sprocket – drives the chain Spark Plug Terminal – holds the spark plug Twist Lock – holds air cleaner cover on Chain Sprocket Cover – protects the chain sprocket