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11
REPAIR AND MAINTENANCE
MAINTENANCE OF SPARK PLUG (MODEL F6RTC)
To ensure the normal operation of the engine, ensure the spark plug is always clean and properly adjusted as the
steps below show:
1. Remove the spark plug by twisting counterclockwise.
2. Gently remove any carbon deposits from the plug.
3. Ensure the clearance is between 0.6~0.8mm.
MAINTENANCE BEFORE A LONG-TERM SHUTDOWN
If the engine will not be used for a long period of time, perform the following maintenance steps on the engine before
shutdown:
1. Unscrew the fuel switch, unscrew the oil drain bolt at the bottom of the carburetor, and tighten the bolt after
complete release of fuel in the tank and carburetor.
2. Unscrew the oil drain bolt at the bottom or the crankcase to completely release the lubricating oil in the crank
case, and then tighten the oil drain bolt.
3. Perform the following maintenance steps on the engine cylinder:
o Remove spark plug
o Pour a teaspoon (5cc) of clean engine oil into the cylinder.
o Pull the start handle several times to distribute the oil in the cylinder.
o Reinstall the spark plug.
o Pull the handle slowly until resistance is felt and the notch on the starter pulley aligns with the hole at the
top of the recoil starter cover. This will close the valves so moisture cannot enter the engine cylinder.
Return the start handle gently.
4.Wipeotheoilstainanddustontheexternalsurfacewith
a cleaning cloth and remove the dirt between the
coolingns,soastokeepthegasolineengineclean.
After cleaning, store the engine in a clean, dry and
ventilated location.
THE SPARK PLUG MUST BE SECURELY TIGHTENED IN THE ENGINE. OTHERWISE, THE COMBUSTION
CHAMBER WILL NOT BE AIRTIGHT DURING OPERATION. THE LEAKAGE OF COMPRESSED AIR WILL REDUCE
ENGINE POWER AND SERIOUS LEAKAGE WILL LEAD TO ENGINE FAILURE.
0.6~0.8 mm
r.
0.6~0.8mm.
Align the notch on the
pulley with the hole at
the top of the cover
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