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NYLON CUTTING HEAD
Replacing the nylon cord
1 First, stop the engine.
Press on the housing latches (A) inward to lift off the cover assembly (B).
Then remove the spool (D).
2 Remove any excess nylon cord from the spool.
3 Cut a length of the nylon cord that is approximately 7.5 m ( 25’ ) long.
4 Hook the center of new nylon cord into the notch (F) in the center of the
spool, with one end of the cord extending about 80 mm (3” to 3-1/8”)
more than the other. Then wind both ends firmly around the spool in the
direction of the head rotation.
5 Put the cord ends temporarily into the notched (H) when winding being
finished. Leave approximate 100 mm (4”) of the cord extended beyond
the notch.
6 Place the spool into the cover. Remove the ends of the cord from the
notches (H) and put them in the metal eyelets (I) on the cover.
7 Mount the spool ( cover-assembly ) in the housing so that the grooves
and protrusions on the spool mach up with those in the housing ( C ).
Then push the cover firmly onto the housing to secure it.
SERVICING INSTRUCTIONS
Before doing any work on the Brush Cutter/String Trimmer, always stop the engine and pull the plug cap off the
spark plug.
Always wear protective gloves.
Do not attempt to remove the recoil starter by yourself, which may cause an accident. It should be done by the
Authorized Service Agent.
To ensure a long service life and to avoid any damage to the machine, the following servicing operations should be
done at regular intervals.
Daily checkup and maintenance
Before operation, check the machine for loose screws or missing parts. Pay your special attention to the tightness of the cutting tool.
Before operation, always check for clogging of the cooling air passage and the cylinder fins. Clean them if necessary.
Do the following works daily after use :
- Clean the machine externally and inspect for damage.
- Clean the air filter. When working under extremely dusty conditions, clean the filter several times a day.
- Check the blade or the nylon cutting head for damage and make sure it is firmly mounted.
- Check if there is sufficient difference between idling and engagement speed. Make sure that the cutting tool does not rotate while the engine is idling.
- Check the functioning of the I-O switch, the lock-off lever, the control lever and the lock button.
Cleaning of air-filter
- Remove screw (B).
- Remove the air filter cover (A). Take out the air-filter (C) and clean it in warm
soapy water. Dry the air-filter completely.
- After cleaning, put back the air filter cover and fasten it with the screw.
Note :
If there is excessive dust or dirt adhering to the air filter, clean it every day. A
clogged air filter may make it difficult or impossible to start the engine or
increase the engine rotation-speed.
Checking the spark plug
Only use the supplied universal wrench to remove or install the spark plug.
The gap between the two electrodes of the spark plug should be 0.6 – 0.7 mm ( 0.024” – 0.028” ). If the gap is too
wide or too narrow, adjust it. If the spark plug is clogged with carbon or fouled, clean it completely or replace it.
CAUTION :
Never touch the spark plug connector while the engine is running ( danger of high voltage electric shock ).
C
A
I
B
G
E
F
D
H
STOP
B
A
C
0.6 mm – 0.7 mm