S Whencuttingwiththesaw,thechainbrake
Place the saw on firm ground. Hold the han-
dles with both hands and apply full throttle.
Activate the chain brake by turning your left
wrist against the hand guard without releas-
ing your grip around the front handle. The
chain should stop immediately.
must be disengaged.
Disengaged
Engaged
Inertia activating function control
WARNING:
When performing the
following procedure, the engine must be
turned off.
Braking function control
The chain brake must be
checked several times daily. The engine
mustberunningwhenperformingthisproce-
dure. This is theonly instancewhen thesaw
should be placed on the ground with the en-
gine running.
Hold the chain saw approximately 14″ (35
cm) aboveastumporother woodensurface.
Release your grip on the front handle and
use the weight of the saw to let the top of the
guide bar fallforward andcontact thestump.
When the tip of the bar hits the stump, the
brake should activate.
CAUTION:
CUTTING METHODS
IMPORTANT POINTS
etc. If the tree makes contact with any utility
line, the utility company should be notified
immediately.
S Check chain tension before first use and
after 1 minute of operation. See CHAIN
TENSION in the ASSEMBLY section.
S Cut wood only. Do not cut metal, plastics,
masonry, non-wood building materials, etc.
S Stop the saw if the chain strikes a foreign
object. Inspectthesaw andrepair partsas
necessary.
S Carefullyplanyour sawingoperationinad-
vance.
S Cleartheworkarea. Youneedacleararea
allaroundthetreeso youcan havesecure
footing.
S The chain saw operator should keep on
the uphill side of the terrain as the tree is
likelytorollor slidedownhillafteritisfelled.
S Study the natural conditions that can
cause the tree to fall in a particular direc-
tion.
S Keepthechainoutofdirtandsand. Evena
smallamountofdirtwillquickly dullachain
and increase the possibility of kickback.
S Practice cutting a few small logs using the
following techniques to get the“feel” ofus-
ing your saw before you begin a major
sawing operation.
Natural conditions that can cause a tree to
fall in a particular direction include:
S Squeeze the throttle trigger and allow
theenginetoreachfullspeedbeforecut-
ting.
S
The wind direction and speed.
S The lean of the tree. The lean of a tree
might not be apparent due to uneven or
slopingterrain. Useaplumb or level tode-
termine the direction of tree lean.
S Begincuttingwiththesaw frameagainst
the log.
S Keep the engine at full speed the entire
time you are cutting.
S
Weight and branches on one side.
S Surrounding trees and obstacles.
S Allow the chain to cut for you. Exert only
light downward pressure.
Look for decay and rot. If thetrunk is rotted,
it can snap and fall toward the
operator.
S Release the throttle trigger as soon as
thecutis completed,allowingtheengine
to idle. If you run the saw at full throttle
without a cutting load, unnecessary
wear canoccur tothechain,bar,anden-
gine. It is recommended that the en-
gine not be operated for longer than
Check for broken or dead branches which
can fall on you while cutting.
Make sure there is enough room for the tree
to fall. Maintain a distance of 2-1/2 tree
lengths from the nearest person or other ob-
jects. Enginenoisecan drownout awarning
call.
Remove dirt, stones, loose bark, nails, sta-
ples,andwirefromthetreewherecuts areto
be made.
Plana clear retreat pathto therear anddiag-
onal to the line of fall.
30
seconds at full throttle.
S To avoid losing control when cut is com-
plete, do not put pressure on saw at end
of cut.
S Stop the engine before setting the saw
down.
Plan a clear retreat path
TREE FELLING TECHNIQUES
WARNING:
Check for broken or
dead branches which can fall while cutting
causingserious injury. Donotcutnearbuild-
ings or electricalwires ifyou donot know the
directionoftreefall,norcutatnightsinceyou
will not be able to see well, nor during bad
weather suchas rain, snow,or strongwinds,
Direction of Fall
45
_
10
| Categories | Chainsaw Manuals, Husqvarna Chainsaw Manuals |
|---|---|
| Tags | Husqvarna 137, Husqvarna 142 |
| Model Year | 2002, 2003, 2004, 2005 |
| Download File |
|
| Document Type | Operator's Manual |
| Language | English |
| Product Brand | Husqvarna, Chainsaw |
| Document File Type | |
| Publisher | husqvarna.com |
| Wikipedia's Page | Husqvarna |
| Copyright | Attribution Non-commercial |
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