Seasonal Engine And Other Storage; Idle Speed Adjustment - McCulloch TrimMac 250 LS Instruction Manual

The carburetor has been carefully set at the
factory. Adjustments may be necessary if you
notice any of the following conditions:
S Engine will not idle when the throttle is re-
leased.
Make adjustments with the unit supported so
the cutting attachment is off the ground and
will not make contact with any object. Hold
the unit by hand while running and making ad-
justments. Keep all parts of your body away
from the cutting attachment and muffler.

Idle Speed Adjustment

Allow engine to idle. Adjust speed until engine
runs without stalling (idle speed too slow).
S Turn idle speed screw clockwise to in-
crease engine speed if engine stalls or dies.
S Turn idle speed screw counterclockwise to
decrease engine speed.
WARNING:
Perform the following
steps after each use:
S Allow engine to cool before storing or trans-
porting.
S Store unit and fuel in a well ventilated area
where fuel vapors cannot reach sparks or
open flames from water heaters, electric
motors or switches, furnaces, etc.
S Empty fuel tank before storing or transport-
ing the unit.
S Store unit and fuel well out of the reach of
children.
S Store unit with all guards in place. Position
unit so that any sharp object cannot acci-
dentally cause injury.
SEASONAL STORAGE
Prepare unit for storage at end of season or if
it will not be used for 30 days or more.
If your unit is to be stored for a period of time:
S Clean the entire unit before lengthy stor-
age.
S Store in a clean dry area.
S Lightly oil external metal surfaces.
If you require further assistance or are unsure
about performing this procedure, contact an
authorized service dealer.
STORAGE
ENGINE
S Remove spark plug and pour 1 teaspoon of
40:1, 2-cycle engine oil (air cooled) through
the spark plug opening. Slowly pull the
starter rope 8 to 10 times to distribute oil.
S Replace spark plug with new one of recom-
mended type and heat range.
S Clean air filter.
S Check entire unit for loose screws, nuts,
and bolts. Replace any damaged, broken,
or worn parts.
S At the beginning of the next season, use
only fresh fuel having the proper gasoline to
oil ratio.
OTHER
S Do not store gasoline from one season to
another.
S Replace your gasoline can if it starts to rust.
10
Idle Speed Screw
Air Filter Cover