S Make your fist cut 1/3 of the way through
the bottom of the limb.
S Next make a 2nd cut all the way through
the limb. Then cut a third overcut leaving
a1to2inchcollarfromthetrunkofthetree.
Second cut
Third cut
Collar
First cut
Pruning technique
SERVICE AND ADJUSTMENTS
Cylinder Cover
Screws
WARNING:
Improper maintenance
couldresultin serious engine damageor inse-
rious injury.
Air Filter
WARNING: Disconnect the spark
plugbeforeperforming maintenance,except
for carburetor adjustments.
We recommend all service and adjustments
not listed in this manual be performed by an
Authorized Service Dealer.
MAINTENANCE SCHEDULE
Cylinder
Cover
Check:
Fuel mixture level . . . . Before each use
Bar lubrication . . . . . . . Before each use
Chain tension . . . . . . . Before each use
Chain sharpness . . . . Before each use
For damaged parts . . Before each use
For loose caps . . . . . . Before each use
For loose fasteners . . . Before each use
For loose parts . . . . . . Before each use
Inspect and Clean:
BAR MAINTENANCE
If your saw cuts to oneside, has to beforced
throughthecut,or beenrunwithanimproper
amount of bar lubrication it may be neces-
sarytoserviceyourbar. A wornbar willdam-
age your chain and make cutting difficult.
After each use, ensure ON/STOP switch is
in the STOP position, then clean all sawdust
from the guide bar and sprocket hole.
To maintain guide bar:
Bar . . . . . . . . . . . . . . . . Before each use
Complete saw . . . . . . . After each use
Air filter . . . . . . . . . . . . . Every 5 hours*
Chain brake . . . . . . . . Every 5 hours*
Spark arresting screen
S Move ON/STOP switch to the STOP posi-
tion.
and muffler . . . . . . . . . Every 25 hours*
Replace spark plug . Yearly
S Loosen and remove chain brake nuts and
chain brake. Remove bar and chain from
saw.
Replace fuel filter . . . Yearly
*
Hours of Operation
S Cleantheoilholes andbargrooveaftereach
AIR FILTER
5
hours of operation.
CAUTION: Do not clean filter in gaso-
Remove Sawdust From
Guide Bar Groove
line or other flammable solvent to avoid
creating a fire hazard or producing harmful
evaporative emissions.
Cleaning the air filter:
Oil Hole
A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
S Burring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
S Whenrailtopis uneven,useaflatfiletore-
store square edges and sides.
File Rail Edges
and Sides
Square
5
hours of operation.
1.
Clean thecover andthe areaaround itto
keep dirt and sawdust from falling into
the carburetor chamber when the cover
is removed.
2.
3.
Remove the parts as illustrated below.
Wash the filter in soap and water. Rinse
in clean cool water. Air dry completely
before reinstalling.
4.
Reinstall parts.
Worn Groove
Correct Groove
13
| Categories | Chainsaw Manuals, McCulloch Chainsaw Manuals |
|---|---|
| Tags | McCulloch M3816, McCulloch M4218 |
| Model Year | 2009, 2010 |
| Download File |
|
| Language | English |
| Product Brand | McCulloch. Support Phone for US: Wheeled (Mowers, Tractors, Tillers, Snow Throwers) - 1-800-849-1297
McCulloch Handheld (Chainsaws, Trimmers, Blowers, Edgers) - 1-800-554-6723 All McCulloch Products - 1-800-521-8559, Chainsaw |
| Document File Type | |
| Publisher | mcculloch.com |
| Wikipedia's Page | McCulloch Motors |
| Copyright | Attribution Non-commercial |
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