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12
3
)
Clean the dust in the air cleaner cover avoid it enter the
air-intake of the carburetor.
4
)
Reinstall the filter element and air cleaner housing and
fix the iron hinges.
4
.
The maintenance of spark plug
Spark plug type:
:
BPR6ES
(
NGK
)
or NHSP LD F7RTC
CAUTION
!
Never use the spark plug with unusual heat range.
Proper spark plug clearance ensures the engine’s normal
running under no deposit around the spark plug.
1
)
Remove the spark plug cap
,
Dismantle the spark plug
with a spark plug wrench.
(
Fig. 23
)
WARNING!
If the engine operates all the time, muffler will be very hot,
so please don’t touch the muffler.
2
)
Check spark plug carefully, if there is distinct corrosion,
or crack or cast in the insulator, this spark plug should be
rejected. If this spark plug will be used again, use steel
brush to clean it.
3
)
Measure the spark plug clearance with a feeler, The
clearance should be 0.7~0.8mm. If adjustment is
necessary, bend
the side electrode carefully.
(
Fig.24
)。
4
)
Please check if the spark plug mat is in good condition,
screw it by hand.
5
)
When the spark plug is in place, revolve it by spark plug
wrench, and impact gasket (Fig. 25
)
.
CAUTION
!
If a new spark plug is used, twist 1/2 more turns after
impacting the gasket,
If reinstall the original one, just twist 1/8-1/4 more turns.
CAUTION
!
The spark plug must be tightened securely, or it may
become very hot to damage the engine.
Use the recommended spark plug or the equivalent.
Incorrect heat range of the spark plug may damage the
engine.
5. Spark eliminator (option)
The spark eliminator should be serviced at least once every
100 hour’s operation so as to keep it in a sound condition.
WARNING!
The muffler is very hot during running the engine and even
a long time after stopping. Never touch it, or you may get
burned. Service after the engine cools down.
1
)
Screw off the special screw from muffler and remover
the sparkle suppressor. (Fig.26)
2
)
Clear away carbon deposit from the spark eliminator
mesh with a brush. (Fig.26)
CAUTION
!
Be careful and do not damage of the spark eliminator
mesh.
NOTE:
Sparkle eliminator can never be damaged, otherwise
please use a new one.
3
)
Install sparkle eliminator and muffler in term of the order
of disassembly.
6. Change the fuse
When the fuse is fusing, it means the turnoff of circuitry or
over loading. Please contact with the dealer about repair.
Rated current
:
25A
1
.
Screw off M6 special bolt from the cover of switch box
and remove the cover.(Fig.27)
2
.
Pull out broken fuse from pedestal by hand and the
insert new fuse.
NOTE:
Don’t use the fuse different form rate specification. Or
it will make the circuitry seriously mangled or cause a
fire.
Before checking or changing a fuse, sever ignition switch
and pull out the key in order to prevent short circuit.
TRANSPORT, STORAGE AND REMOVAL
FROM STORAGE
Transport
Transport with the fuel cock turned off. Transport or store
the engine when it is cool so as to avoid getting burns or
fire.
CAUTION:
Do not incline the engine so as to avoid fuel’s spill. Spilled
fuel or fuel vapor may ignite to cause fire.
Storage
If the engine is not use for a long time, be sure to store it
properly.
1. Make sure the storage area is dry and free of dust.
2. When using it again, please maintain it as following.
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