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7-5.SPARK PLUG
NOTE: For efficient operation of saw engine, spark plug
must be kept clean and properly gapped.
1.
Push STOP switch down.
2.
Remove air cleaner cover.
3.
Disconnect the wire connector (G) from the spark plug
(H) by pulling and twisting at the same time (Figure 7-
5A).
4.
Remove spark plug with spark plug socket wrench.
DO NOT USE ANY OTHER TOOL.
5.
Check electtrode gaps with wire feeler gauge and set
gaps to .025" (.635mm) if necessary.
6.
Reinstall a new spark plug.
NOTE: A resistor spark plug must be used for replacement
(McCulloch part no. 9295-310502).
NOTE: This spark ignition system meets all requirements
of
the
Canadian
Interference-Causing
Regulations.
G
7-6.CARBURETOR ADJUSTMENT
The carburetor was pre-set at the factory for optimum per-
formance. If further adjustments are necessary, please
take your unit to the nearest Authorized Service Center list-
ed in the Yellow Pages.
7-7.STORING A CHAIN SAW
CAUTION
Never store a chain saw for longer than 30 days without
performing the following procedures.
Storing a chain saw for longer than 30 days requires stor-
age maintenance. Unless the storage instructions are fol-
lowed, fuel remaining in the carburetor will evaporate, leav-
ing gum-like deposits. This could lead to difficult starting
and result in costly repairs.
1.
Remove the fuel tank cap slowly to release any pres-
sure in tank. Carefully drain the fuel tank.
2.
Start the engine and let it run until the unit stops to
remove fuel from carburetor.
3.
Allow the engine to cool (approx. 5 minutes).
7 - MAINTENANCE INSTRUCTIONS
Equipment
H
7-5A
4.
Using a spark plug wrench, remove the spark plug.
5.
Pour 1 teaspoon of clean 2-cycle oil into the combus-
tion chamber. Pull starter rope slowly several times to
coat internal components. Replace spark plug (Figure
7-7A).
NOTE: Store the unit in a dry place and away from possi-
ble sources of ignition such as a furnace, gas hot water
heater, gas dryer, etc.
7-8.REMOVING A UNIT FROM STORAGE
1.
Remove spark plug.
2.
Pull starter rope briskly to clear excess oil from com-
bustion chamber.
3.
Clean and gap spark plug or install a new spark plug
with proper gap.
4.
Prepare unit for operation.
5.
Fill fuel tank with proper fuel / oil mixture. See Fuel
and Lubrication Section.
7-7A
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