Transcript Chainsaw Use and Maintenance

CHAINSAW USE
AND
MAINTENANCE
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
Safety Guidelines
• PPE
– Hardhat or
Helmet
– Eye Protection
– Chaps
– Boots
– Gloves
– Hearing
protection
– Long Sleeved
shirt
– Pants
Safety Guidelines cont’d
• Look Up, Look
Down, Look
Around
– Situational
awareness
– Widow makers
– Snags
• Dead or
Alive
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Cont’d
Bystanders
Vehicle Traffic
Fire
Conditions
– Weather
– Other fellers
Safety Guidelines cont’d
• Everyone is a
Safety officer
– Safety officer
has final sayNO ARGUING
– Mitigate
Hazards
• life over
limb
• Risk benefit
factor
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
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Powerhead
Chain
Bar
Handle Half/Full
Chain Brake
Throttle
Bar Nuts
Powersaw Parts cont’d
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Gas Tank
Oil Tank
Spark Plug
Exhaust
On/Off Switch
Choke
Air Filter
Powersaw Parts cont’d
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Carburetor
Throttle lock
Pull Cord/Rope
Chain Tightener/Tensioner
Make/Model
S/N
Inventory #
Spark Plug
Powersaw Parts
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/
Bar
Tensioner Screw
Chain
Powersaw Parts
Chain Brake
Compression
Relief
Button
Bar Nuts
Carbide Tipped Chain
Regular Saw Chain
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
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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-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