Maple Valley Power Saws• Husqvarna K 970 Rescue • Stihl MS 460 Rescue

Husqvarna K 970 Rescue Saw

• Engine 2 Cycle

• Horsepower 6.5• Max RPM 9300• Weight ~24

lbs• Blade Extractor

(diamond tipped)

• Fuel Mixed (50:1)

Husqvarna K 970 Rescue Saw

• Daily Check– Fuel (minimum ¾)– Blade guard in good

repair.– Blade securely attached

to saw.– Blade shows no signs of

cracks or other defects.– Saw is ready to start.

Husqvarna K 970 Rescue Saw

• Starting Procedures:– Hold the saw firmly on

the ground with the blade clear. (The cutting blade rotates when the engine is started)

– Press in the decompression valve.

Decompression Valve

Husqvarna K 970 Rescue Saw

• Starting Procedures:– Make sure the STOP

switch is in the left position.

– Cold Engine - Pull the choke out completely.

– Warm Engine – Pull the choke out and then push it in again.

Husqvarna K 970 Rescue Saw

• Starting Procedures:– Press the air purge

repeatedly until fuel fills the diaphragm (about 6 times).

– Slowly pull the cord until you feel resistance, now quickly and powerfully pull the cord.

Husqvarna K 970 Rescue Saw

• Starting Procedures:– Cold Engine - After two

or three pulls, press the choke control back in.

– Push the decompression valve back in and pull the starter handle until the engine starts.

Husqvarna K 970 Rescue Saw

• Starting Procedures:– When engine starts,

quickly apply full throttle to automatically disengage fast idle.

– To stop the saw, move the STOP switch to the right.

Husqvarna K 970 Rescue Saw

• Operating Procedures:– The K12 saw is set up with an “Extractor” diamond

tipped rescue blade. – http://www.youtube.com/watch?v=dk4KG2ZO6Zs– It can cut metal, masonry, glass, plastic, tile, and

wood.– “NEVER” STOP THE SPINNING BLADE BY STICKING

IT INTO SOMETHING TO STOP IT! DOING SO WILL SHORTEN THE LIFE OF THE BLADE.”

Husqvarna K 970 Rescue Saw

• Operating Procedures:– Keep RPM’s high so blade doesn’t bog down in the

cut.– If your blade begins to bog down, quickly raise it a bit

from the point of contact and let the RPM’s spin back up without removing the blade from the cut.

– Try to keep the blade straight and perpendicular to the cut.

– Some pressure can be applied to increase cut speed.

Husqvarna K 970 Rescue Saw

• Safety and Training with the K12 Saw:– Full PPE must be worn, including eye protection

and hearing protection. – Do not carry a running saw up a ladder.– The blade should not be rotating when the saw is

being carried.

Stihl MS 460 Rescue Saw

• Engine 2 Cycle

• Horsepower 6.0• Guide Bar 20”• Weight ~15

lbs• Chain Terminator• Fuel Mixed

(50:1)

Stihl MS 460 Rescue Saw

• Daily Check– Fuel (minimum ¾)– Bar Oil (minimum ¾)– Chain has less than four

cracked or other defective teeth.

– Chain tension is good.– Saw is ready to start.

Stihl MS 460 Rescue Saw

• Starting Procedures:– Hold the saw firmly on

the ground with the bar clear.

– Set the chain brake.

– Press down the trigger lockout and pull throttle trigger at the same time.

Stihl MS 460 Rescue Saw

• Starting Procedures:– While holding the

throttle in that position set the master control lever to

– DO NOT force the master control lever down without squeezing the throttle – it could break the linkage.

Stihl MS 460 Rescue Saw

• Starting Procedures:– Slowly pull the cord until

you feel it engage – then give it a brisk strong pull.

– After a few pulls move the master control lever to

Stihl MS 460 Rescue Saw

• Starting Procedures:– Continue cranking…– As soon as the engine

runs, immediately blip the throttle trigger.

– The master control lever will move to position and the engine will settle down to idling speed.

Stihl MS 460 Rescue Saw

• Starting Procedures:– Always disengage the

chain brake before accelerating the engine.

– To stop the engine move the master control lever to

Stihl MS 460 Rescue Saw

• Operating Procedures:– The rescue chain saw is

set up with a Terminator rescue chain. Identified by the double raker.

– The Terminator chain is for ventilation, garage doors, and other cutting at structure fires.

– This chain is NOT for cutting tree limbs.

Stihl MS 460 Rescue Saw

• Operating Procedures:– We also carry a regular

wood cutting chain. Identified by the single raker.

– The wood chain is for cutting trees and limbs.

Stihl MS 460 Rescue Saw

• The wood chain can be found in the engine’s tool box.

Stihl MS 460 Rescue Saw

• Safety and Training with the Rescue Saw:– Full PPE must be worn, including eye protection

and hearing protection.

– Chaps shall be worn during training and non-emergency incidents (trees and limbs in roadway).

– The chain brake should be engaged when the saw is being carried.