Zenoah BK4310FL manual

BK3410FL BK4310FL BRUSHCUTTERS 848-KD6-93A1 (806) OWNER’S MANUAL •B efore using our brushcutter, please read this manual carefully to understand the proper use of your unit. • Keep this manual handy. Caution[...]

2 SAFETY FIRST Instructions contained in warnings within this manual marked with a symbol concern critical points which must be taken into consideration to prevent possible serious bodily injury, and for this reason you are requested to read all such instructions carefully and follow them without fail. ■ NOTES ON TYPES OF WARNINGS IN THE MANUAL T[...]

3 1. WARNING LABELS ON THE MACHINE (1) Read owner's manual before operating this machine. (2) Wear head, eye and ear protection. (3) Warning/Attention (4) Keep all children, bystanders and helpers 15 meters away from the brushcutter If warning seals peel off or become soiled and impossible to read, you should contact the dealer from which you [...]

4 ■ BEFORE USING THE MACHINE a. Read this owner's manual carefully to understand how to operate this unit properly. b. This product has been designed for use in cutting grass, and it should never be used for any other purpose . c. You should never use this brushcutter when under the influence of alcohol, when suffering from exhaustion or lac[...]

5 ■ WORKING GEAR AND CLOTHING a. When using your brushcutter, you should wear proper clothing and protective equipment as follows. (1) Helmet (2) Protection goggles or face protector (3) Thick work gloves (4) Non-slip-sole work boots (5) Ear protectors b. And you should carry with you. 1. Attached tools and files 2. Properly reserved fuel 3. Spar[...]

6 ■ THINGS TO CHECK BEFORE USING YOUR BRUSHCUTTER a. Before beginning work, look around carefully to get a feel for the shape of the land, or grass to be trimmed, and whether or not there are any obstacles which might get in the way while working, and remove any obstacles which can be cleared away. b. The area within a perimeter of 15m of the per[...]

7 ■ KICKBACK SAFETY PRECAUTIONS •A dangerous reaction may occur when the spinning blade contacts a solid object in the critical area. It is called Kick back. As a result, the operator can lose control of the unit which can cause serious or fatal injury. Avoid kickback, observe the safety precautions below strictly. 1. Before beginning work, cle[...]

8 immediately after shutting down the engine. Doing so may result in serious burns. i. When you finish cutting in one location and wish to continue work in another spot, turn off the engine and turn the unit as the blade faces away from your body. ■ MAINTENANCE SAFETY PRECAUTION a. Perform the maintenance and checking operations described in this[...]

9 ■ ATTACHING THE SHOULDER STRAP (SE1) 1. Pass the ring of the shoulder strap through the hook(A) and fix it by the bolt securely. 2. Set the hook(B) of each shoulder strap to the D-rings on the frame. (A) UPPER SIDE (B) LOWER SIDE (1) Hook (A) (2) Bolt (M5x12) (3) Hook (B) (4) D-ring ■ ATTACHING THE LINER 1. Remove the bolt located on the join[...]

10 try inserting it again. • Once the liner has been inserted, pull on the liner to make sure that the stopper is properly engaged. ■ ATTACHING THE THROTTLE CABLE After fitting the wire, check if the wire sleeve is correctly fitted to the wire stopper. It is dangerous if the wire sleeve is out of the wire stopper because the engine speed will n[...]

11 ■ ADJUSTING THROTTLE CABLE • Proper play of the throttle cable is 1–2mm. Place the throttle lever to the lowest speed position (i.e. fully released status). Pull the throttle cable lightly with fingers to check its play. Readjust the position of cable adjuster if the play is too large or too small. To readjust, slacken a lock nut. Turn the[...]

12 ■ BLADE •N ever attach nor remove a cutting blade while the engine is running. • Use ZENOAH genuine cutting blade for exchange. • Wear sturdy gloves for attaching/removing a metallic cutting blade to avoid injury. 1. Loosen the nut, remove holder A and holder B from the gear case. (SE10) (Note that this is a left-turning screw.) (1) Bar [...]

13 5. Fuel • Gasoline is very flammable. Avoid smoking or bringing any flame or sparks near fuel. •W ipe up all spills before starting the engine. •M ake sure to stop the engine and allow it cool before refueling the unit. • Keep open flames away from the area where fuel is handled or stored. • Never use oil for 4 cycle engine use or wate[...]

14 6. OPERATION ■ STARTING THE ENGINE 1. Pour the fuel and fasten the fuel cap. (OP1) (1) Cap (2) Fuel tank • Make sure that the cap is firmly shut and there is no fuel leak. • Wipe out the spilled fuel. 2. Open the fuel cock. (OP2) 3. Move the choke lever to the closed position. (OP2) (1) Fuel cock (2) Close (3) Open (4) Choke lever (5) Clos[...]

15 ■ STOPPING THE ENGINE 1. Return the throttle lever to the idling position. 2. Push the engine switch button. (OP5) 3. Close the fuel cock. (1) Engine switch button ■ EQUIPPING THE SHOULDER STRAP (OP6) 1. Hold the main pipe with your right hand. Hang the left strap on your left shoulder. 2. Change your hand to hold the main pipe with your lef[...]

16 6. OPERATION LINE HEAD USAGE • Always remember that the TIP of the line does cutting. You will achieve better results by not crowding the line into the cutting area. Allow the unit to trim at its own pace. 1. Hold the unit so the head is off the ground and is tilted about 20 degrees toward the sweep direction. 2. Use full throttle when cutting[...]

17 ■ 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 [...]

18 7. MAINTENANCE ■ GEAR CASE • Remove cutter, cutter holder A and plug and insert fresh lubricant. (MA4) (1) Holder A (2) Plug ■ FUEL STRAINER Drain the fuel from the tank. Remove the fuel strainer from the fuel tank and clean the fuel strainer. (MA5) (1) Fuel Strainer A clogged fuel filter may cause poor acceleration of the engine. ■ SPAR[...]

■ FLEXIBLE SHAFT (MA8) 1. While pulling the stopper of the clutch housing upward, remove the liner from the unit. 2. Remove the flexible shaft from the liner, apply lubricant to the shaft, and insert the shaft back into the liner. (1) Stopper (2) Liner ■ MUFFLER 1. Remove the muffler, insert a screwdriver into the vent, and wipe away any carbon[...]

10. SPECIFICATIONS ZENOAH Knapsack Brushcutter Name/Type BK3410FL BK4310FL Handle Type Loop Machine Weight ( ✽ 1) kg 8.8 9.0 Outward Size (L x W x H) mm 315 x 270 x 410 Outer pipe mm 1500 (ø26) Applied Head 2-teeth blade(12”), 4-teeth blade, 8-teeth blade, round saw blade(10”), line head Power Transmission Method Automatic centrifugal clutch[...]