Hyundai HDBT52-A Original Instructions Manual page 17

Fuel tank is fitted with a filter. Filter is situated at the free end of fuel pipe. It can be picked with a hook or similar
device. Check the fuel filter periodically. Do not allow dust to enter into fuel tank. Clogged filter will cause difficulty
in starting engine or abnormalities in starting engine or abnormalities in engine performance.
When filter is dirty, replace the filter. When the inside of the fuel tank is dirty, it can be cleaned by rinsing the tank
with gasoline.
d. Spark plug
The tool must be completely cold before manipulating the park plug.
- Clean or replace the spark plug in case of ozone contamination.
- Replace the spark plug if the end of the center electrode is worn.
e. Replacement of the cutting string
- Push the tab which is on the housing cutting string and turn the cover to open it (see the markings on the
housing.
- Remove the string and replace it by a new one.
- To reinstall the cutting string, first pass the two ends of the string on the holes localized on the housing.
- Put the cutting string in the housing; pull correctly the string outside of the tool in equal part.
- Place the cover on the housing; turn it to lock it in place.
f. Storage
- Inspect and clean the tool as explained in this manual.
- Empty fuel tank (it can be done by switching on the tool and let it consume all remaining fuel).
- Disassemble the accessories.
- Store the main unit and the accessories in a clean area, out of reach of children. It is recommended to place
the tool and accessories in the original package.