S
File chain to meet the specifications
as shown.
If you require further assistance or are unsure
about performing this procedure, contact your
authorized service dealer or call our customer
assistance help line at 1--800--554--6723.
80
˚
60˚
CARBURETOR ADJUSTMENT
WARNING: Thechainwillbemoving
during most of this procedure. Wear your pro-
tective equipment and observe all safety pre-
cautions. The chain must not move at idle
speed.
The carburetor has been carefully set at the
factory. Adjustments may be necessary if
you notice any of the following conditions:
S Chain moves at idle. See IDLE SPEED--T
adjusting procedure.
S Saw will not idle. See IDLE SPEED--T ad-
justing procedure.
30
˚
Hook Angle
0.025
(0.65
inch
mm)
Rounded
Corner
Right
Too Much Hook Angle
Squared Off
Corner
Idle Speed--T
Allow engine to idle. If the chain moves, idle is
toofast. Iftheenginestalls,idleis tooslow. Ad-
just speed until engine runs without chain
movement (idle too fast) or stalling (idle too
slow). The idle speed screw is located in the
area above the primer bulb and is labeled T.
S Turn idle screw (T) clockwise to increase
engine speed.
Wrong
WARNING:
Maintain the proper
S Turn idle screw (T) counterclockwise to
decrease engine speed.
hook angle according to the manufacturer’s
specifications for the chain you are using. Im-
proper hook angle will increase the chance of
kickback which can result in serious injury.
If you require further assistance or are unsure
about performing this procedure, contact your
authorized service dealer or call our customer
assistance help line at 1--800--554--6723.
4.
Check and lower depth gauges.
COOLING SYSTEM
Depth Gauge Tool
File
To keep the working temperature as low as
possible the machine is equipped with a
cooling system.
Depth Gauge
The cooling system consists of:
S Air intake on the starter
S Air guide plate
S
S
Place gauge tool on cutter.
S Fins on the flywheel
If the depth gauge is higher than the
depthgaugetool,fileitleveltothetopof
the depth gauge tool.
S Cooling fins on the cylinder
S
Cylinder cover (directs cold air over the
cylinder)
S
Maintain rounded front corner of
depth gauge with a flat file.
Clean the cooling system with a brush after
each use, more often in demanding condi-
tions. A dirty or blocked cooling system re-
sults in the machine overheating which
causes damage to the piston and cylinder.
NOTE: The very top of the depth
gauge should be flat with the front
half rounded off with a flat file.
STORAGE
SEASONAL STORAGE
WARNING:
Perform the following
Prepareyourunitfor storageattheendofthe
season or if it will not be used for 30 days or
more. If your chain saw is to be stored for a
period of time:
steps after each use:
S Allow the engine to cool, and secure the
unit before storing or transporting.
S Store chain saw and fuel in a well venti-
lated area where fuelvapors cannotreach
sparks or openflames from water heaters,
electric motors or switches, furnaces, etc.
S Store chain saw with all guards in place
and position chain saw so that any sharp
object cannot accidentally cause injury.
S Store chain saw well out of the reach of
children.
S Clean saw thoroughly before storage.
S
S
Store in a clean dry area.
Lightly oil external metal surfaces and
guide bar.
S Oil the chain and wrap it in heavy paper or
cloth.
17
| Categories | Chainsaw Manuals, McCulloch Chainsaw Manuals |
|---|---|
| Tags | McCulloch 966625301, McCulloch MC4218AV |
| Model Year | 2005, 2006, 2007, 2008, 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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