Zenoah BK4310FL, BK3410FL owner manual Maintenance, MA1 MA2 MA3, Refilling Trimming Line MA2

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MA1

MA2

MA3

7. 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.

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.

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.

AFTER 25 HOURS OF USE

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. (MA3)

(1) Element

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.

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Contents BK3410FL BK4310FL Contents Position Fuel Tank CAP Symbols on the MachinePosition AIR Cleaner Cover Before Using the Machine Safety PrecautionsWorking Gear and Clothing Things to Check Before Using Your Brushcutter Operation Safety Precautions Kickback Safety PrecautionsMaintenance Safety Precaution SE1 SE2 SE3 SE4 SET UPAttaching the Shoulder Strap SE1 Upper Side Lower SideAttaching the Throttle Cable SE5 SE6Band Throttle cable Tie loosely Throttle lever Hole Throttle cable Screw NutSE7 SE8 SE9 Adjusting Throttle CableAttaching the Handle Attaching the Debris GuardBlade SE10 SE11Bar Holder B Holder a Tightening torque 14.7~19.6 N-m/150~200kgf-mMixing ratios FuelStarting the Engine OperationOP2 OP3 OP4 Stopping the Engine OP5 OP6 OP7Equipping the Shoulder Strap OP6 Cutting OperationLine Head Usage Adjusting the Line LengthOP8 After 25 Hours of USE AIR Cleaner MaintenanceMA1 MA2 MA3 Refilling Trimming Line MA2MA7 Gear Case MA4 MA5 MA6Fuel Strainer Spark PlugIdle Adjustment Screw MA11 Adjusting CarburetorMaintenance Before Storage MA12 MA8 MA9Disposal SpecificationsStorage