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CHAINSAW USE. AND MAINTENANCE. By: Engineer: Adam Knight Kootenai County Fire and Rescue Certified B Sawyer. Objectives:. Teach or refresh personnel how to use chainsaws and powersaws Learn saw safety guidelines Learn about saw use PPE
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CHAINSAW USE AND MAINTENANCE By: Engineer: Adam Knight Kootenai County Fire and Rescue Certified B Sawyer
Objectives: • Teach or refresh personnel how to use chainsaws and powersaws • Learn saw safety guidelines • Learn about saw use PPE • Learn about different types of saws used in the fire service
Objectives continued • Learn the parts of a powersaw • Teach or refresh personnel how to maintain a saw after use • Learn how to troubleshoot saw problems
PPE Hardhat or Helmet Eye Protection Chaps Boots Gloves Hearing protection Long Sleeved shirt Pants Safety Guidelines
Look Up, Look Down, Look Around Situational awareness Widow makers Snags Dead or Alive Cont’d Bystanders Vehicle Traffic Fire Conditions Weather Other fellers Safety Guidelines cont’d
Everyone is a Safety officer Safety officer has final say-NO ARGUING Mitigate Hazards life over limb Risk benefit factor Safety Guidelines cont’d
Safety Guidelines cont’d • IF YOU DO NOT FEEL COMFORTABLE FALLING OR CUTTING A TREE IT IS OK TO SAY NO!
Types of Saws • Chainsaw • Circular saw (K-12) • Ventilation Saw (droop nose)
Parts of a Chainsaw or Powersaw • Powerhead • Chain • Bar • Handle Half/Full • Chain Brake • Throttle • Bar Nuts
Powersaw Parts cont’d • Gas Tank • Oil Tank • Spark Plug • Exhaust • On/Off Switch • Choke • Air Filter
Powersaw Parts cont’d • Carburetor • Throttle lock • Pull Cord/Rope • Chain Tightener/Tensioner • Make/Model • S/N • Inventory #
Powersaw Parts Spark Plug Carburetor Pull Cord
Powersaw Parts Half Wrap Handle Bar Compression Button Air Filter Choke
Powersaw Parts Pull Cord Throttle Safety Device Chain Brake Fuel/Gas 50:1 Mix Throttle Half-Wrap Handle Bar
Powersaw Parts Chain Adjusting/ Tensioner Screw Bar Chain
Powersaw Parts Chain Brake Compression Relief Button Bar Nuts
Circular Saw Blade • Carbide Tipped
Fluids Mixed
Maintaining Saws • Always keep your saw in a state of readiness • Keep saw chain sharp • Top off gas and oil • Blow out air filter • Wipe off excess oil
MAINTAINING SAWS Maintaining Saws • Start saws during weekly and monthly truck checks • Store with protector over bar and chain • Tighten all bolts and nuts • Ensure chain brake is in proper working condition
Troubleshooting Saw won’t Start Is the STOP switch ON If cold choke it If warm do not choke it Possible dirty filter Carburetor problem Saw is flooded-let it sit Bad spark plug Out of gas
Troubleshooting • Saw will not cut • Chain is dull • Chain is on backwards • Chain is not getting lubricated • Your not cutting what you are supposed to • Chain brake on
RECAP RECAP
Recap-What did we learn? • Taught or refreshed personnel how to use powersaws • Saw safety guidelines • PPE while using powersaws • Different types of saws used in the fire service
Recap-What did we learn? • Parts of a powersaw • Maintaining a saw after use • Troubleshooting
Exercise -Get into equal groups, tear down, and clean saws. Identify parts as you go along. -Buck up log/wood that is provided wearing proper PPE.
Updated 6-15-05