The Trouble and Remedies of Knapsack Power Duster - Yongkang Huayue Import & Export Co. Ltd.

Knowledge

The Trouble and Remedies of Knapsack Power Duster

Main uses

Knapsack power sprayer is portable, flexible and high-efficient equipment for use in prevention of plant diseases and controlling pests in large plantations and crop fields where cotton, wheat, paddy, fruit trees, etc. are planted. It can also be used for applying herbicides, sanitation and epidemic and prevention, spreading granular fertilizer and granular chemicals, etc. This machine can also be suited for use in mountain area,hilly land old pieces of land.

Trouble and Remedies

1.Engine starts difficulty or can not start.

Check if the sparking plug has sparked-over. Screw down the sparking plug; put the side pole to touch the cylinder. Full the starter and watch between the poles of sparking plug whether there are sparks. Pull the starter carefully; do not touch the metal part of sparking plug for prevention of getting an electric shock .

Trouble		Cause	Remedies
No flash	Spark plug	Firing device wetted	Dry it out
		Carbon lay down on the sparking plug	Clean the carbon
		The clearance between poles of sparking plug is too big or too small	Adjusting the clearance at 0.6-0.7mm
		This insulation of sparking plug damaged	Change sparking plug
		Poles bumed	Change sparking plug
	Magneto	Wrapping of wire damaged	Change or remedy
		Insulation of coil is broken	Replace
		Wire of coil is broken	Replace
		Electronic firing device damaged	Replace
Normal	Compression ratio is fine & fueling normally	Fuel sucked in is excessive	Reduce the fuel
	Compression ratio is fine & fueling normally	Bad quality fuel,mixed with water or dirty	Change the fuel
	Fueling is mormal but compressing ratio is bad	Cylinder and piston ring wore and tore	Change cylinder and piston ring
	Fueling is mormal but compressing ratio is bad	Spark plug is loosen	Tighten
	No fueling from carburetor	No fuel in fuel tank	Fill fuel
		Filter net dirty	Clean it
		Air hole of fuel tank blocked	Clean it

2.Engine output is insufficient

Trouble	Cause	Remedies
Compression ratio & fire is normal	Filter plate clogged	wash
	Fuel mixed with water	Change fuel
	Engine overheat	Shut down or cool it
	Carbon lay down in muffler	clean it
Engine overheat	Consistency of fuel is too thin	Adjust carburetor
	Carbon lay down on cylinder cover	clean it
	Engine oil is bad	Use special mobile oil
	No connection with hose	connect
Dash sound	Bad fuel	Replace
	Carbon lay down in combustion chamber	Clean it
	Running parts wore and tore	Check & change

3.The engine shuts down in running

Trouble	Cause	Remedies
The engine shut down suddenly	The lead wire of sparking plug loosened	Connect if firm
	The piston bitten	Change the piston or remedy it
	The sparking plug laid down the carbon or short oircuited
	The fuel burned up	Feed the fuel
The engine shut down slowly	Inside the carburetor clogged	Clean it
	The air hole of fuel tank clogged	Clean it
	The fuel mix with water	Replace the fuel

4.The engine shuts down difficultly

Trouble	Causes	Remedies
The fuel lever handle is located at the lowest position, the engine still runs.	The fuel pulling cord is too short(the idle speed is higher)	Adjust the pull

5.Spraying

Trouble	Causes	Remedies
No spray mixture jet or jet intermittently	Nozzle switch or control value clogged	Clean it
	Liquid lead pipe clogged	Clean it
	No pressure or the pressure is lower	Tighten the tank lid and screw down two wing nuts
Spray mixture leakage	The spraying lid plate fitted incorrect	Refit it
	Every threaded joint loosened	Screw down it

6.Dusting

Trouble	Causes	Remedies
No dust dischange or dischange internittently	No dust gate can not be opened	Adjust the pull rod of the dust gate
	The dust or granule mix with foreign body	Clean it
	The dust or granule lumped	Break the lump
	Wet dust or granule	Dry it
The dust gate not work properly	The dust gate can not be closed	Adjust the pull rod of the dust gate
	The dust gate is blocked up by foreign matter	Clean it
Leakage of dust	The clamp plate of the chemical tank bottom loosened	Tighten it
	The sealing gasket of the dusting lid damaged	Change it with new one
The dischange rate out of control	The control device of dust gate can not work properly	Remedy it

Pre Page: The Safety Precautions of Engine

Product (78)

Knowledge (8)

Blog (4)

Why Us (6)

Certificates (7)

Credit Report

Products Index

Company Info

Knowledge