Flashcards in Chain Saw Operations Deck (16):
Chain saw shall never be used at structural fire?
False. Pier fires ok
Operator AND control person must wear?
-long sleeve work duty shirt or bunker coat
-saw protected gloves
-saw protected chaps
Pull in occurs when ?
The chain on the bottom of the bar is suddenly stopped. **to avoid always start cut with chain rotating at full speed & bumper spike in contact with wood. Also by using wedges
Kerf refers to ?
Space left behind the cutting blade as it cuts
Chain is suddenly stopped when it is pinched.
Circle of danger for chainsaw __' radius? Who is allowed in circle ?
At least 10' radius. Saw operator & control person. Officer visual contact.
Outside circle of danger
Trees are a good conductor of electricity? T/F
Most dangerous kickback zone ?
Upper 90 degree quadrant
Cutting log into sections. Limbing - removing branches. *extreme danger of kickback during this
Chaps must be worn over either long pants or bunker pants?
True. Chaps Not worn over shorts
Can saw be operated from a ladder?
Members are not to remove a tree which has fallen onto a vehicle unless ?
1. First aid 2. Rescue 3. Establish emergency lane
Trees can be cut with wires on tree once utility co certifies that power has been removed ?
False. Wires must be disengaged from the trees & power has been removed