Operations Manual

t
9.Technical Maintenance and
Long Term Storage
(1)Spraying units
a.Clean out any residual chemical mixture
in the chemical tank and all other
parts after
operation with clean water and and dry.
b.Clean the chemical tank inside and out
after spraying.
c.Loosen the chemical tank lid.
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 an extended period will
clog the fuel system, causing the engine not
to work properly Fuel should be discharged.
if the machine will not be in sure for a week.
Dirt adhering to the filter reduces the engine
power.
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
as seen on Figure 13.
not use other models.
Fig 13
Note:
The work including maintenance,
cleaning and adjusting must be done
after stopping the machine.
Periodically check the braces.
Without delay, replace the worn out
braces.
(4)Long term 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
the oil inside
e slowly until the
its travel and leave
tank lid, and clean
tank and carburetor
ith a plastic dustcoa
handle 4

5 times to distribute
the engine. Pull the handl
piston reaches the top of
it there, then install the spark plug.
c.Remove the chemical
inside and outside, then leave the lid loose.
d.Remove spray wands and clean them. Store
separately.
e.Discharge fuel in the
entirely.
f.Cover the machine w
and store it in a dry and clean place.
15