Neilsen CT4342, Original Instructions Manual

                                                                                                    7   

7.1

 Loosen the throttle handle, the machine idle for 3 to 5 minutes 

7.2 

Down by the flameout switch button until the engine stalled. Flame out switch position as shown 

in figure 1 
 

VIII Technical maintenance 

8.1 Air Filter 

        Check the air filter regularly. Air filter cartridge dust jams will reduce engine power and shorten 
the service life of the cylinder. If the filter cartridge is dirty, you must use warm water and detergent, 
clean with a dry cloth to wipe dry after installation. If there is any breakage, the filter must be replaced. 
Especially in dusty work environment, maintenance cycle is shorten appropriately.     
 

8.2 Fuel filter 

If the fuel filter blockage, machine speed decline, impact can be reduced. Methods: (1) open the lid, 
with a metal hook the hook out of the tank and clean fuel filter (2) when clean fuel filter, and clean fuel 
tank. 

8.3 Carburetor 

The fuel tank and carburetor often have residual oil. Over time, the residual oil into the oil. Residual oil 
can jam the oil , the engine won't start. Therefore, when the machine idle for more than a week, you 
must put the fuel vent. Methods: pull into the carburetor fuel oil foam rubber tubing to repeat 
compressions bubble discharge of oil, fuel oil in the oil bubble and return pipe put dry after plugged 
into the tubing. 

8.4 Spark plug 

To ensure the normal operation of the engine, reasonable spark plug gap is 0.5 -0.7 mm. Use steel 
wire brush to clean carbon deposit. See image 5. 

Image 5 
 

8.5 Muffler 

Regular cleansing dirt or use detergent to clean the silencer muffler import and export in the dirt. 
 

8.6 Cylinder and gear lubrication 

C

ylinder lubrication: unscrew grease cover counterclockwise (see figure 2), join special cylinder 

hammer picks 30 grams of fat, then grease cover clockwise to tighten. 

Gear lubrication: with Allen wrench unscrew gearbox cover screws (see figure 1), in the adjacent gear 
parts add 2 lithium grease 50 grams, then install the gearbox cover in place. 
 

8.7Cylinder cooling fin 

Remove dust regularly, to ensure that the cylinder heat dissipation is good. The driver for the air 
cooling type. Cylinder radiator dust will directly affect the heat dissipation effect.