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Checking the spark plug
Check the spark plug every 10–15 hours of use.
1. Remove the spark plug cover.
2. Use the spark plug wrench to remove the spark plug, by
turning it counter-clockwise.
3. Clean and adjust the spark
plug gap to 0.6 – 0.7mm.
Replace any damaged or
visibly worn plug with a NGK
BPMR7A or CHAMPION
CJ7Y spark plug, as listed in the specifications table.
4. Install the spark plug finger tight in the cylinder head, then
tighten it firmly with the spark plug wrench.
Servicing
• It is recommended once you first use your petrol line
trimmer to get it serviced after 15 hours of use.
• From thereafter, service the petrol line trimmer
every 2 years.
Storage and maintenance after use
• When you finish working, clean the petrol line trimmer
completely, making sure there is no grass or dirt wrapped
in the cutting tools, and put it back into its package in order
to avoid its hurting you or other people during transport.
• Be aware to not hit or cut the fuel tank (7) while you put
it onto the ground. Do not let the petrol line trimmer fall
down to the floor or it may damage the machine.
• Store the petrol line trimmer away from direct sunlight.
• Do not store in a nylon bag as this can encourage the
formation of mould.
• At the end of the season, give the petrol line trimmer an
overall cleaning and a thorough check.
• Do not leave the petrol line trimmer resting on the floor
for extended periods as it could cause the shape of the
guard to alter, posing a safety risk. Hang it off the floor by
the top handgrip.
Whenever the machine is not used for a long period of time,
proceed as follows:
• Empty the fuel tank completely.
• Protect all metal engine parts from corrosion by coating
them with oil.
• Remove the spark plug, put a few drops of oil into the
cylinder and then pull the recoil starter 2 to 3 times in
order to distribute the oil evenly. Replace the spark plug.