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