(4)Engine hard to stop
TROUBLE CAUSE REMEDY
Throttle handle put to the
lowest position, the engine still
runs .
The throttle cord is short or
piston of carburetter blocked.
Adjust the cord or remedy the
carburetter.
(5)Dusting
TROUBLE CAUSE REMEDY
No dust discharge or discharge
intermittently
1.The dust gate can not be
opened.
Adjust the pull rod of the dust
gate
2.The tank lid not tightened Tighten the tank lid
3.The dust or granule mix with
foreign body.
Clean it
4.The dust or granule lumped. Break the lump
5.Wet dust or granule Dry it
6.The granules is too big Change the granules
The dust gate not work properly
1.The dust gate can’t closed Clean it
2.The dust gate clogged by
foreign matter
Tighten it
Leakage of dust
1.the clamp plate of the
chemical tank bottom loosened
Tight it
2.The sealing gasket of the
dusting lid damaged
Change it with new one
3.The O-sealing ring of the
elbow damaged
Change it with new one
The discharge rate out of
control
The control device of dust gate
not work properly
Remedy it
(6)Spraying
TROUBLE CAUSE REMEDY
No spray mixture jet or jet
intermittently
1.Nozzle switch or control valve
clogged
Clean
2.Liquid lead pipe clogged. Clean it
3.No pressure or the pressure
is lower
Tighten the tank lid and screw
down the two wing nuts.
Spray mixture leakage
1.The spraying lid plate fitted
incorrect
Ret it
2.Every threaded joint loosened Screw down it
-12-