Maintenance

F18

F19

F20

F21a

0.6 — 0.7mm

F21

WARNING

Before cleaning, inspecting, or repairing the unit, make sure that the engine has stopped and is cool.

■BLADE

•Check the blade and the fasteners for looseness, cracking, or bending.

•Check the cutting edges and reform with a flat file.

Point (F18):

1.Keep the end corner sharp.

2.Round the root of the edge.

3.Do not use water when using a grinder.

■AIR CLEANER

•Check and clean the filter element in warm, soapy water as required. Dry completely before installing. If the element is broken or shrunk, replace with a new one. (F19)

(1) Cover (2) Element (3) Screen (4) Body

IMPORTANT

A clogged air filter may increase fuel consumption while cutting down the engine power. And operate the brushcutter without the air filter or with a deformed filter element will quickly ruin the engine.

■FUEL FILTER

•Take the filter out of the fueling port using a small wire hook. Disconnect the filter assembly from the fuel pipe and unhook the retainer to disassemble it. Clean the components with gasoline. (F20)

(1) Strainer (2) Fuel tank

IMPORTANT

A clogged fuel filter may cause poor acceleration of the engine.

■SPARK PLUG

•Starting failure and mis-firing are often caused by a fouled spark plug. Periodically clean the spark plug and replace with a new one as required. (F21a)

•REPLACEMENT PLUG IS A Champion CJ-6Y.

■GEAR CASE

•Supply multi-purpose grease at every 25 hours of use.

•Remove the cutter holders to arrange for old grease to exit. (F21)

(1) Inner holder (2) Plug

■MAINTENANCE BEFORE STORAGE

•Old fuel left in the carburetor may cause starting failure. When a series of operation finished, make sure to empty the fuel tank and drain the carburetor.

IMPORTANT

•Check all parts and the functions. If the failured or damaged parts have been found, replace them with new ones.