S 212 Wildland Chainsaw

What is the command when starting your saw?

"Starting Up"

First 2 cuts are known as the ______ cut

Undercut

Stump/low stumping

Use wedges to avoid your bar becoming pinched. Twigs also work.

Master Link

Joins both ends of chain together (yellow) No more than 2 per chain

How do you mitigate Leaners?

Boaring backcut Triangle Cut

Chaps should be treated as a _______ piece of PPE

Critical

Cutting End Binds

Cut from Top-Down w/wedges

2 approved gas canisters?

MSR Sigg

Spring Pole Cutting

Make a series of shallow cuts less than 1/2 diameter of tree/limb, 1/2' apart, compression side

Most common fuel container?

Dolmar

Banking

Stacking of cut material on the side of the fireline opposite of fire edge

What are the 3 cutting sequences of chains

Standard (Full Comp) Left hand cutter-tie strap-Right hand cutter Semi-Skip Left- 2tie strap-right, Left- 1 tie strap-Right Skip (Full Skip) Left hand cutter, 2x tie straps, Right hand cutter

Semi-Chisel Characteristics

Stays sharp longer Tolerates dirt/dust

Drive Link

Fits in bar & sprocket. Power head drives the "drive link" Draws Bar Oil

T/F Always place the fuel container on a grounded surface 10' away from any ignition source

True

T/F Do not start the saw closer than 10' from the fueling area

True

T/F Outdoor refueling requires you to be 20' away from a open flame?

True

4 rules before adjusting tension on saw chain

1. Turn off 2. Gloves 3. Cool in Temp 4. Re-check after every fuel cycle

Speed rating for Chaps

3200 feet per min chain speed

Escape Path should be at least______

8ft

Containers must be filled at what %

90% capacity

Weekly Saw Maintenance

- Anti Vibration - Clutch - File Bar prn - Check Spark Plug - Starter Assembly - Flywheel Fins - Cooling Fins on Cylinder - Clean Muffler Screen (carbon buildup) - Clean Carburetor body - Replace Screen mesh if exceeds 0.025"

How do you mitigate Hangups?

- Chunking down (long dicking) - Accordion - Explosives - Rigging - Driving trees over with other trees - Equipment

Tree Felling Techniques

- Conventional (primarily used Westcoast) - Humboldt (Large Trees) - Open Face Notch (Eastern Hardwood) - Birds Mouth -Directional Felling - Directional Felling of Small Trees w/Wedges - Felling Snags

How to avoid Kickback

-Hold saw with both hands (front handlebar & rear handle) - Don't cut with the top half of the guide bar nose - Nose never contacts objects - Power Head never above shoulders -Never overreach - Good stance - Use Sharp Chain - Lock left elbow - Use a low kickback chain

Daily Saw Maintenance

1. Remove Bar/Chain for inspection 2. Air Filter 3. Muffler/Spark Arrester 4. Inspect Power Head (loose bolts) 5. Replace bar/chain if needed 6. Safety Features (black in color)

What are the 5 elements of the tree felling process:

1. Sizeup & Creating Felling Plan 2. Establish Cutting Area Control 3. Undercut 4. Backcut w/wedging 5. Exiting Safely

Snap Test on Chain Tension is how much?

1/8" of free play

Crown fires require removal of canopy, whats the minimum canopy clearance?

18-20 ft

NFPA for Chaps

1977

Cutting Bottom Binds

1st Cut offside 2nd Partial Cut to Compression side (Bottom) 3rd Cut Top going down

Cutting Top Binds

1st Cut offside 2nd Partial cut to Compression side (top) 3rd Cut Bottom going up

Cutting Side Binds

1st Pie Cut (Compression Side) 2nd Release cut (Tension Side)

Cutting area should be how big?

2 1/2 size of tree being cut

What type of carburetor do chain saws have?

2 Stage (you can run it in any position)

Set the brake if you're traveling more than ________

2 Steps

Chaps must stop a chain in how many seconds?

5 sec

Turn saw off if you're traveling more than ______

50'

What temp do nylon chaps melt?

500 deg F

Allow the saw to cool for how long before re-fueling?

5min

Swamper Responsibilities

Assists with cutting area control and establishing fireline Moves Cut material

Last cut is known as _______

Backcut

What is Pull In

Bottom Bar is pinched & Stops (saw pulls forward)

Cant Hook vs. Peaveys

Cant Hook: Roll logs Peaveys: Pry logs onto blocks, avoid pinching while bucking.

Monthly Saw Maintenance

Chain Brake Clutch Spring Fuel Filter Flush Fluids Cables & Switches

3 most common types of saw chains

Chipper Chisel Semi Chisel

Does Complexity trump Size?

Complexity trumps size

What is the job the depth gauge (raker)

Determines depth of cut

Blue discoloration on bar is due to:

Excessive Heat

2 Parts of the Undercut

Gunning Cut (Horizontal Cut) Matching Cut (Sloping Cut)

Typically how do you choose a wedge?

Half the size of tree diameter.

PPE for Chainsaw Work

Hardhat Eye Protection (ANSI approved) Foot Protection Gloves Hearing Protection 85 decibles min Long Sleeve Pants Chaps Fire Shelter First Aid Kit Bar Cover Whistle

Components of Go/No Go

Hazards Clearance Hinge Snags Top Platform (wedges) Escape

What determines the direction the tree will fall?

Hinge

Tie Strap

Holds saw chain together (special link)

How do you clean chaps?

Hose and Brush 1:10 Citrosqueeze (soak 1/2hr) Rinse Heavy Soiled: soak over night

3 carburetor adjustments: (H I L)

Idle Speed Low speed High speed

What is JHA

Job Hazard Analysis (describes the potential job hazards of the worksite, along with all agency policies, controls, and work practices selected to minimize those hazards.

Who signs off on the JHA?

Job Leader & Supervisor

Spring Poles

Limbs bent over and under tension

What should you after the under cut/before your back cut?

Loud announcement that your dropping a tree.

Boring

Method of using the bottom half of the guide bar nose to saw into the tree while felling or bucking

MIST

Minimal Impact Suppression Tactics

Chain Saw Operator Responsibilites

Monitor Fire Creates Disposal Sites for Cut Material

Chisel Characteristics

Most aggressive Fastest with Clean Wood Round & Square design Dulls Fastest

Chipper Characteristics

Most versatile Easiest to file

NFPA for Fuel containers?

NFPA 30

Windows

Natural Openings in the fuels, used as disposal sites for cut material

Can you drop start a saw?

No

When staring a saw, is the break on/off?

On

Progressive vs Leap Frog Line Construction

Progressive- Each saw team cuts a "swath" (strip) of fireline. HEAVY Fuels Leap Frog- Each saw team has 1 chain of fuel and bump up as they complete their chain. LIGHT FUELS/Mop Up

Keyholes

Openings cut into continuous fuels, used to dispose cut material

When ordering replacement saw chain, you must know what 3 things?

Pitch (Measure between 2 rivets divided by 2) Gauge (Drive Link Thickness) Number of Drivers

What do you do if you dont feel comfortable with the felling assignment?

Refuse Operation Seek advise from more experienced faller

Dragging

Removing cut material by dragging

Throwing

Removing cut material by throwing it (black in the black, green in the green)

Chaining

Removing cut material from one person to the next person

Falling Plan Outline

Risk Analysis Key Locations (cuts & working area) Primary Escape Route Equipment Check Wedging Plan Cutting Area Control

What is RA

Risk Assessment Same as JHA

Offside

Side the log may move to when cut 1st Cut

3 Angles of Saw Chain (STDepression)

Side-Plate angle Top-plate cutting angle Depth gauge

2 Types of Wedges

Single Taper (designed for lift) Double Taper (designed to reduce bind)

2 most common bars?

Solid Nose (Tip) Sprocket Nose (Roller Tip)

What does the JHA cover?

Task/Procedure to be accomplished Hazards Abatement (reducing the hazard) Emergency Evacuation Procedures (flying pt out) First Aid Emergency Evacuation Plan PPE

Is the last cut made to the compression or tension side?

Tension

4 Methods of moving cut material (T BCD)

Throwing Banking Chaining Dragging

What is the Go/No Go Checklist?

Tool for helping sawyers evaluate if a cutting situation is within their skill set and/or certification.

What is Push Back?

Top Bar is pinched (Saw pulls toward sawyer)

What is Kickback

When the upper quadrant of the bar nose contacts a solid object/pinched. (Saw if forced up and back in)

What is Blowdown?

Winds have uprooted a tree