9.Technical Maintenance and
Deposit for a Long Time
(1)Spraying units
a.Clean out any residual spray mixture or
dust in the chemical tank and all other
parts after operation with clean water and
dry it.
b.Clean the dust gate and chemical tank
inside and outside after dusting.
c.Loosen the chemical tank lid while the
machine free.
d.Let the machine run at a low speed 2-3
minutes after cleaning.
(2)Fuel system maintenance
a.Water or dirt in fuel is one of the main
cause of the engine trouble, clean the fuel
system regularly.
b.Residual fuel remaining in the fuel tank
and carburetor for long time will gum and
clog the fuel system,thus cause the engine
not to working properly. So all of the fuel
should be discharged if the machine isn’t
used after one week.
(3)Air filter and plug.
a.Clean the filter after every day operation.
Dirt adhering to sponge reduces the engine
power.
b.Dry filter before reinstalling.
c.Clean stains or carbon off the spark plug
and adjust spark gap to 0.6
～
0.7mm.
d.The plug model of this machine is 4106J.
Do not use other models. If it is nechssary
for change.may buy it from local agricultural
department or plant protection department.
as shown in Fig.13.
Fig 13
Note:
a)The work including maintenance,
cleaning and adjusting must be done
after stopping the machine and out of the
danger range.
b)When maintenance, the discharge
spout can’t be award to the maintenance
man.
c)Please periodic check the braces
situation.Without delay replace the worn-
out braces.
(4)Long time storage
a.Clean the machine and apply antirust oil to
metal parts.
b.Remove the spark plug and pour 15
～
20g
of 2-stroke engine oil into the cylinder
through the spark plug pole. Pull the starter
handle 4
～
5 times to distribute the oil inside
the engine. Pull the handle slowly until the
piston reaches the top of its travel and leave
it there, then install the spark plug.
c.Remove the chemical tank, clean the dust
gate and inside and outside of chemical
tank, then install the tank and leave the lid
loose.
d.Remove spray units and clean them. Store
by themselves.
e.Discharge fuel in he tank and carburetor
entirely.
f.Cover the machine with plastic dustcoat
and store it in a dry and clean place.
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