Zenoah BK3410FL-S, BK4310FL-S Maintenance, MA1 Refilling Trimming Line MA2, AIR Cleaner, MA3

8. Maintenance

■BLADE

•Sharpen each cutting edge and make sure the bottom corner is rounded. (MA1)

•Do not cool the blade with water in case of using grinder. It may cause cracks on blade.

MA1

■REFILLING TRIMMING LINE (MA2)

1.For replacement line, use a diameter of .095in (2.4mm). The spool is capable for a line upto 20ft (6m) on the 4” head. Avoid using a larger line as it may cut down the trimming performance.

MA2

WARNING

For safety reasons, do not use metalreinforced line.

2.Pinch the slotted area on the both sides of the spool housing to unhook the bottom cap.

3.Take out the spool and pull off the old line. Fold new line so that one half line is 4.7in.(12cm) shorter than another half. And then, hook bended end in the slot

of the spool.

4.Wind up the line in the correct direction as indicated on the spool.

5.Hook each end of the line in the slot on the edge of the spool, and then put the ends through the eyelets on the housing. Make sure that the spring and the washers are in place.

6.While holding the spool against the housing, pull the line ends to release them from the slot.

7.Line up the slot on the bottom cap with the hook on the housing, press the cap against the housing until it clicks.

WARNING

Make sure that the engine has stopped and is cool before performing any service to the machine. Contact with moving cutting head or hot muffler may result in a personal injury.

■AIR CLEANER

Take off the air-cleaner cover and remove the dust inside the air cleaner every 25 hours of use.

When the air-cleaner element has become extremely contaminated, clean it thoroughly with warm water including a neutral detergent. Install it after drying it completely.

When the air-cleaner element has become deformed or damaged, replace it with a new one.

Part No.: Z1418-82130

IMPORTANT

If the air-cleaner element becomes clogged, the output of the engine decreases and fuel consumption worsens. If you continue to operate the machine without an air- cleaner element, or with an air-cleaner element which has been deformed or damaged, the inside of the engine will wear severely.

MA3

(1) Air-cleaner

element

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