15
8. Sparking plug
PROCEDURE
Remove the sparking plug cover.
Brush off dirt from the sparking plug.
Use a sparking-plug wrench to loosen the sparking plug.
Inspect if the isolation is intact.
Clean the sparking plug with a steel brush.
Measure the electrode distance; make sure not to damage the
electrode.
The distance should be: 0,7
– 0,8 mm
If the sparking plug is okay, put it back in its place.
Put the sparking plug cover back in its place.
Note: The engine must be cold
9. Transport and storage
TRANSPORT AND STORAGE
Transport
To avoid any spillage of fuel and oil is it important that the engine is placed horizontal
during transport.
Storage
Let the engine run till it stops.
Loosen the drain screw on the carburettor and drain the remaining fuel.
Reinstall the drain screw, and mount the fuel tube.
Keep the old fuel in an approved container.
Remove the sparkplug and poor 1 tablespoon of oil into the cylinder, mount the sparkplug.
Do not mount the sparkplug cap. Pull the sparking cord, until there is resistance. This will
close the valves and protect them from rust.
Protect the oil with a thin layer of oil to avoid rust.
10. Maintenance
NOTE
The purpose of maintenance is to keep the engine in its best possible shape.
Repairs must always be carried through by an authorized dealer.
Interval
Part
Every time
For every
20 running
hrs
For every
50 running
hrs
For every
100 running
hrs
For every
200 running
hrs
Inspect bolts and nuts
X
Inspect and fill with oil
X
Change oil
X
Inspect for oil leakage
X
Inspect air filter
X
Clean air filter
X*
Clean fuel filter
X
Inspect sparking plug
X
Adjust valves
X
Inspect valves
X
* Maintenance of air filter in accordance with the user manual to the machine where the engine is
mounted.
Summary of Contents for TG 620
Page 3: ...3 1 Illustrationer Fig 1 Fig 2 Fig 3 Fig 4 Fig 5 Fig 6...
Page 4: ...4 Fig 7 No 1 No 2 Fig 8...
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Page 30: ...30 2 1 1 2 3 4 5 230 6 1 2 3 4 3 1 2 2 4 1 2 3 5 95 7 TG620 TG630 TG720 TG730 3 6 3 6...
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