McCulloch M3414 Chainsaw User Manual


 
12
LIMBING AND PRUNING
WARNING: Be alert for an d guard
against kickback. Do not allow the moving
chain tocontactany other branched orobjects
at the nose of the guide bar when limbing or
pruning. Allowing such contact can result in
serious injury .
WARNING:Neverclimbintoatreeto
limb or prune. Do not stand on ladders, plat-
forms,alog,orinanypositionwhichcancause
you to l ose your b al ance o r controlof thesaw.
IMPORT ANT POINTS
S Watch out for springpoles. Use extreme
cautionwh encuttin gsma llsizelimbs. Slen-
dermaterialmay catchthe sawchainandbe
whipped toward you or pull you of f balance.
S Be alert for springback. Watch out for
branches thatare bentor underpressure.
Avoid being struck by the branch or the
saw w henthetension int hewoodfibers i s
released.
S Keep a clear work area. Frequently clear
branches out of the way to avoid tripping
over them.
LIMBING
S Alwayslimbatreeafteritiscutdown. Only
then canlimbingbe donesafely andprop-
erly.
S Leave the larger limbs underneath the
felledtreetosupportthetree asyouwork.
S Startat baseofthefelledtreeandworkto-
ward the top, cutting branches and limbs.
Remove small limbswith one c ut.
S Keep the t ree between you and the c hain
as much as possible.
S Remove larger, supporting branches with
thecuttingtechniquesdescribedinBUCK-
ING WITHOUT A SUPPORT.
S Always use an o vercut to cut small and
freely hanging limbs. Undercutting could
cause l im bs to falland pinch saw.
PRUNING
WARNING: Limit pr uning to limbs
shoulder height or below. Do not cut if
branchesarehigher thanyourshoulder.Get
a professional todo the job.
S Make your fist cut
1/3 of the way through
the bottom of the limb.
S Nextmakea2ndcutallthe waythrough
thelimb. Thencuta thir dovercutleaving
a1to2inchcollarfromthetrunkofthetree.
First cut
Second cut
Third cut
Collar
Pruning technique
SERVICE AND ADJUSTMENTS
WARNING: Disconnect the spark
plugbeforeperformingmaintenance,except
for carburetor adjustments.
Werecommendallserviceand adjus tments
not listedin this manual beperformed by an
Authorized Service Dealer.
MAINTENANCE SCHEDULE
Check:
Fuel mixture level Before each use....
Bar lubrication Before each use.......
Chain tension Before each use.......
Chain sharpness Beforeeach use....
For damaged parts Before each use..
For l oose caps Before each use......
For loose fasteners Before each use...
Fo r loose parts Before each use......
Inspect and Clean:
Bar Before each use................
Complete saw After each use.......
Air filter Every 5 hours*.............
Chain brake Every 5 hours*........
Spark arresting screen
and muffler Every 25 hours*.........
Replace spark plug Yearly.
Replace fuel filter Yearly...
*HoursofOperation
AIR FILTER
CAUTION: Do notcleanfilter in gaso-
line or other flammable solvent to avoid
creating a fire hazard or producing harmful
evaporative emissions.
Cleaning th e air filter:
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmfulemissions. A lwayscleanafterevery
5 hours of operation.
1. Cleanthecoverandtheareaarounditto
keep dirt and sawdust from f alling into
the carburetor chamber when the cover
is removed.
2. Remove t he parts as illustrated below.
3. Wash t hefilter insoap andwater. Rinse
in clean cool water. Air dry completely
before reinstalling.
4. Add a few drops of oil to the filter;
squeeze f ilter to distribute o il.
5. Reinstall parts.
Air Filter
Cylinder
Cover
Screws
Cylinder
Cover