McCulloch Aug-42 Chainsaw User Manual


 
10
OFF
HALF
CHOKE/FAST IDLE LEVER
FULL
6. Pull the starter rope sharply with your
right hand until the engine starts.
7. Allowtheenginetorunforapproximately
30seconds.Then,squeeze andrelease
throttletriggerto allowenginetoreturnto
idle speed.
STARTING A WARM ENGINE
1. Move ON/STOP switch to the ON posi-
tion.
2. Pull the choke/fast idle lever out to the
FULL CHOKE position to set the fast
idle, then push the lever in to the HALF
CHOKE position.
3. Slowly press the primer bulb 6 times.
4. Pull the starter rope sharply with your
right hand until the engine starts.
5. Squeeze and release throttle trigger to
allow engine to return to idle speed.
DIFFICULT STARTING (or starting a
flooded engine)
The engine may be flooded with too much
fuel if it has not started after 10 pulls.
Flooded engines can be cleared of excess
fuel by pushing the choke/fast idle lever in
completely (to the OFF CHOKE position)
and then following the warm engine starting
procedure listed above. Ensure the ON/
STOP switch is in the ON position.
Startingcouldrequirepullingthe starterrope
handle many times dependingon how badly
the unit is flooded. If engine fails to start,re-
fer to the TROUBLESHOOTING TABLE.
CHAIN BRAKE
WARNING: If the brake band is worn
too thin it may break when the chain brake is
triggered. With a broken brake band, thechain
brake will not stop the chain. The chain brake
should be replaced by an authorized service
dealer if any part is worntoless than 0,02(0,5
mm) thick.Repairs ona chain brake should be
made by an authorized service dealer . Take
your unit to the place ofpurchase if purchased
from aservicing dealer ,ortothenearestautho-
rized master service dealer .
S This saw is equipped with a chain brake.
The b rake is designed to stop the chain if
kickback occurs.
S Theinertiaactivated chainbrake is activated
if the front hand guard is pushed forward, ei-
ther manually or by centrifugal force.
S Ifthebrakeisalready activated,itis disen-
gagedbypullingthefronthandgu ardback
toward thefronthandle as far aspossible.
S Whencuttingwiththesaw,thechainbrake
must be disengaged.
Engaged
Disengaged
Braking function control
CAUTION:
The chain brake must be
checked several times daily. The engine
mustberunningwhenperformingthisproce-
dure. Thisistheonly instancewhen thesaw
should beplaced on the ground with the en-
gine running.
Place the saw on firm ground. Grip the rear
handlewithyourrighthandandthefronthan-
dle with your left hand. Apply full throttle by
fully de pressing the throttle trigger. Activate
the chain brake by turning your left wrist
against the hand guard without releasing
your grip around the front handle. Thechain
should stop immediately.
Inertia activating function control
WARNING: When performing the fol-
lowing procedure, the engine must be turned
off.
Grip therear handlewithyourright handand
the fronthandle withyour left hand. Holdthe
chain saw approximately 35 cm above a
stump or other wooden surface. Release
your grip on the front handle and use the
weight of the saw to let the top of the guide
bar fall forward and contact the stump.
When the tip of the bar hits the stump, the
brake should activate.
CUTTING METHODS
IMPORTANT POINTS
S Check chain tension before first use and af-
ter 1 m inute o f operation. See CHAIN TEN-
SION in the ASSEMBLY section.
S Cut wood only. Do not cut metal, plastics,
masonry , no n-wood b uildin g mat erials, etc.
S The bumper spike m aybe usedas apivot
when making a cut.
S Stop the saw if the chain strikes a foreign
object. Inspectthesawandrepairpartsas
necessary.
S Keepthechainoutofdirtandsand. Evena
smallamountofdirtwillquicklydullachain
and increase the possibility of kickback.
S Practice cutting afew smalllogs usingthe
followingtechniques togetthe“feel”ofus-
ing your saw before you begin a major
sawing op eration.
S Squeeze the throttle trigger and allowthe
engine to reach full speed before cutting.
S Begin cutting with the saw frame
against the log.